Product Description
| Chain No. | Pitch
P |
Roller diameter
d1max |
Width between inner plates b1min mm |
Pin diameter
d2max |
Pin length | Inner plate depth h2max mm |
Plate thickness t/Tmax mm |
Transverse pitch Pt mm |
Breaking load
Q |
Weight per meter q kg/m |
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| Lmax mm |
Lcmax mm |
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| 28BSS-3 | 44.450 | 27.94 | 30.99 | 15.90 | 184.20 | 188.70 | 36.70 | 7.50/6.-0-0. p. 211. Retrieved 17 May 2-0-0. p. 86. Retrieved 30 January 2015. Green 1996, pp. 2337-2361 “ANSI G7 Standard Roller Chain – Tsubaki Europe”. Tsubaki Europe. Tsubakimoto Europe B.V. Retrieved 18 June 2. External links Wikimedia Commons has media related to Roller chains. The Complete Xihu (West Lake) Dis. to Chain Categories: Chain drivesMechanical power transmissionMechanical power control Products Package Pictures:
Company Certificates: Why Choose Us 1. Reliable Quality Assurance System
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What are the noise and vibration characteristics of engineering chains?Engineering chains, like other types of roller chains, can produce noise and vibrations during their operation. The noise and vibration characteristics of engineering chains depend on several factors:
Chain noise and vibration can be managed through various measures:
It’s important to consider the specific requirements of the application and consult with chain manufacturers or experts to select the most suitable engineering chain and implement noise and vibration mitigation strategies when necessary.
What are the factors to consider when selecting an engineering chain for an application?When selecting an engineering chain for a specific application, several important factors should be taken into consideration: 1. Load Capacity: Determine the maximum load the chain will need to handle in the application. It’s crucial to select a chain with a sufficient load-carrying capacity to ensure safe and reliable operation. 2. Speed: Consider the operating speed of the application. High-speed applications may require special engineering chains designed to handle increased centrifugal forces and reduce wear. 3. Environmental Conditions: Evaluate the environmental factors the chain will be exposed to, such as temperature, humidity, corrosive substances, and contaminants. Choose chains with suitable materials and coatings to withstand these conditions. 4. Lubrication: Determine the lubrication requirements of the chain. Some chains may require regular lubrication, while others are designed to operate with minimal or no additional lubrication. 5. Alignment and Tension: Ensure proper alignment and tensioning of the chain to prevent premature wear and elongation, which can lead to chain failure. 6. Space Limitations: Consider the available space for the chain in the application. Some environments may require compact chain designs to fit within tight spaces. 7. Application Type: Different types of engineering chains are available, each designed for specific applications, such as conveyor systems, power transmission, lifting equipment, or agricultural machinery. Select a chain type that aligns with the application’s requirements. 8. Maintenance: Evaluate the maintenance capabilities of the application. Some chains may require frequent maintenance, while others offer extended maintenance intervals. 9. Cost: Consider the budget for the chain. While cost is important, it’s essential to balance it with the chain’s quality and performance to ensure long-term reliability and reduced downtime. 10. Manufacturer and Quality: Choose engineering chains from reputable manufacturers known for producing high-quality and reliable products. By carefully considering these factors, engineers and operators can select the most suitable engineering chain for their specific application, ensuring optimal performance, longevity, and safety.
Are there any special considerations for lubricating engineering chains?Yes, proper lubrication is essential for the optimal performance and longevity of engineering chains. Here are some special considerations to keep in mind when lubricating engineering chains: 1. Lubricant Selection: Choose the appropriate lubricant based on the chain’s operating conditions, speed, load, and environmental factors. Different applications may require different types of lubricants, such as oil-based or grease-based lubricants. 2. Correct Lubrication Amount: Applying the right amount of lubricant is crucial. Insufficient lubrication can lead to increased friction and wear, while excessive lubrication can attract contaminants and cause the chain to sling off excess grease or oil. 3. Regular Lubrication: Implement a regular lubrication schedule to ensure the chain is consistently lubricated. Frequent lubrication can help reduce friction and wear, extending the chain’s service life. 4. Lubrication Method: The method of lubrication will depend on the chain design and accessibility. Some chains have built-in lubrication systems, while others may require manual lubrication using oilers or grease guns. 5. Cleanliness: Before lubrication, make sure the chain is clean and free from debris. Cleaning the chain helps prevent abrasive particles from becoming trapped in the lubricant, which could accelerate wear. 6. Avoid Contaminants: Keep lubricants and lubrication equipment free from contaminants to maintain the purity and effectiveness of the lubricant. 7. Environmental Factors: Consider the operating environment when selecting a lubricant. High temperatures, moisture, and harsh chemicals can affect the lubricant’s performance, so choose one that can withstand these conditions. 8. Reapplication: In some applications, the lubricant may wear off or become contaminated more quickly. Regularly monitor the chain’s lubrication condition and reapply lubricant as needed. 9. Training and Safety: Ensure that personnel involved in the lubrication process are properly trained in handling lubricants safely and efficiently. By following these special considerations, you can optimize the performance and reliability of engineering chains through effective lubrication, reducing wear and extending the chain’s useful life in various industrial applications.
China Standard Chain Manufacturer 120-6 a Series Short Pitch Precision Multiple Strand Engineering and Construction Motorcycle Roller Chains and Bush Chains with Spare PartsProduct Description
A Series Short Pitch Precision Multiple Strand Roller Chains & Bush Chains
ROLLER CHAINRoller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission. CONSTRUCTION OF THE CHAIN Two different sizes of roller chain, showing construction. The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning. LUBRICATION Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed] There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment. Many oil-based lubricants attract dirt and other particles, eventually forming an CHINAMFG paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture. VARIANTS DESIGN Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason. Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable. USE An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor WEAR
The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle). With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets. The lengthening due to wear of a chain is calculated by the following formula: M = the length of a number of links measured S = the number of links measured P = Pitch In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear. CHAIN STRENGTH The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure. The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together. CHAIN STHangZhouRDS Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information. ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
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/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Food and Beverage Industry, Motorcycle Parts |
| Surface Treatment: | Polishing |
| Structure: | Roller Chain |
| Material: | Alloy |
| Type: | Short Pitch Chain |
| Samples: |
US$ 0/Meter
1 Meter(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the limitations of using engineering chains in certain applications?
While engineering chains are versatile and widely used in various industries, they do have some limitations that should be considered when selecting them for specific applications:
- Speed Limitations: Engineering chains have a maximum recommended speed limit. High-speed applications may require specialized high-speed chains that are designed to reduce vibration and noise and maintain reliable performance at elevated speeds.
- Temperature Sensitivity: Extreme temperatures can affect the performance of engineering chains. In high-temperature environments, chains may experience accelerated wear and reduced strength. Similarly, in cryogenic conditions, the chain’s materials may become brittle and prone to breakage.
- Chemical Exposure: Exposure to corrosive chemicals or harsh environments can lead to chain degradation. Engineering chains used in such conditions should be made from materials that offer corrosion resistance or be appropriately coated to withstand chemical exposure.
- Shock Loads: While engineering chains can handle moderate shock loads and impact forces, excessive or sudden shock loads can cause chain failure. In applications with significant shock loads, additional measures such as shock-absorbing devices may be required.
- Maintenance Requirements: Engineering chains require regular maintenance, including proper lubrication and periodic inspection for wear and damage. Failure to maintain the chains can result in premature wear and unexpected failures.
- Alignment: Engineering chains may not perform optimally in applications with misaligned sprockets. Proper alignment is essential to ensure smooth operation and prevent excessive wear.
- Environmental Contaminants: Dust, dirt, and debris in certain environments, such as construction sites or agricultural fields, can accumulate on the chain and sprockets, leading to accelerated wear and reduced chain life.
- Load Capacity: While engineering chains have excellent load-carrying capabilities, applications with extremely high loads may require customized or heavy-duty chains to meet the specific requirements.
Understanding the limitations of engineering chains allows engineers and designers to make informed decisions when selecting the most suitable chain type for their applications. By considering factors like speed, temperature, chemical exposure, shock loads, and maintenance requirements, one can ensure the reliable and efficient performance of engineering chains in various industrial settings.
What are the environmental considerations when using engineering chains?
When using engineering chains in various applications, there are several environmental considerations to keep in mind to ensure optimal performance, longevity, and safety. These considerations include:
1. Temperature: Extreme temperatures, whether high or low, can affect the performance and lifespan of engineering chains. Proper lubrication and material selection are essential to ensure the chain can withstand the temperature conditions in the operating environment.
2. Corrosive Environments: In corrosive environments, such as those with exposure to chemicals, saltwater, or other corrosive substances, it’s crucial to choose engineering chains made from corrosion-resistant materials, such as stainless steel or coatings that provide protection against corrosion.
3. Dust and Contaminants: Dust, dirt, and other contaminants can accumulate on the chain, leading to increased wear and reduced efficiency. Regular cleaning and proper chain guarding can help minimize the impact of these environmental factors.
4. Moisture and Water Exposure: For applications exposed to moisture or water, selecting chains with appropriate sealing or corrosion-resistant coatings is important to prevent rust and maintain performance.
5. UV Exposure: Outdoor applications exposed to direct sunlight can be subject to UV degradation. Using engineering chains with UV-resistant materials or protective coatings can help mitigate the effects of UV exposure.
6. Noise and Vibration: Certain environments may have strict noise regulations. In such cases, using chain guides, dampers, or other noise-reducing features can help lower the noise and vibration levels produced by the chain.
7. Load Variation: Environmental conditions may lead to variations in the load on the chain. Understanding and accommodating load variations is crucial for ensuring the chain’s reliability and preventing premature failure.
8. Compliance with Regulations: Some industries have specific environmental regulations that must be adhered to. It’s essential to select engineering chains that comply with these regulations to maintain a safe and environmentally friendly operation.
9. Maintenance and Lubrication: Proper and regular maintenance, including lubrication, is critical to ensure the chain’s smooth operation and extend its service life in any environment.
Considering these environmental factors will help in selecting the right engineering chain for a particular application, ensuring optimal performance, and reducing the risk of chain failure due to environmental conditions.
What are the advantages of using an engineering chain in industrial applications?
Engineering chains offer several advantages that make them highly suitable for a wide range of industrial applications:
- Robust and Durable: Engineering chains are built to withstand heavy loads, harsh environmental conditions, and abrasive materials commonly found in industrial settings. Their robust construction ensures long-lasting performance and reduces the frequency of replacements, contributing to cost-effectiveness.
- Versatility: With various types and configurations available, engineering chains are highly versatile. They can be adapted to a wide array of applications, such as material handling, conveyor systems, bucket elevators, and more. Different attachments and accessories further enhance their adaptability for specific tasks.
- Specialized Variants: The market offers a diverse selection of engineering chains with specialty variants designed for specific industries. Whether it’s mining, agriculture, automotive, or food processing, there is likely an engineering chain optimized for the unique demands of each application.
- High Load Capacity: Engineering chains are capable of handling heavy loads, making them suitable for heavy machinery, lifting equipment, and other industrial applications requiring substantial power transmission capabilities.
- Efficient Power Transmission: The design of engineering chains ensures smooth and efficient power transmission, reducing energy losses and improving overall system performance.
- Attachments and Accessories: Many engineering chains come with pre-installed or customizable attachments that enable them to perform specialized tasks. These attachments can include slats, buckets, rollers, and other components, enhancing their ability to carry, grip, or convey materials as needed.
- Reliable Performance: Due to their robust design and precise engineering, these chains provide reliable and consistent performance even under challenging conditions, contributing to increased productivity and reduced downtime.
- Wide Range of Materials: Engineering chains can be manufactured from various materials, including carbon steel, stainless steel, and plastic, allowing for compatibility with different operating environments and industries.
- Cost-Effective Solutions: Despite their higher initial cost compared to standard roller chains, engineering chains often prove to be cost-effective in the long run due to their extended service life and reduced maintenance needs.
In summary, engineering chains offer durability, versatility, and specialized features that make them an excellent choice for industrial applications where reliable and efficient power transmission is essential. Their ability to handle heavy loads, varied environments, and specific tasks sets them apart as a valuable component in numerous industrial processes.
editor by CX 2024-04-03
China wholesaler Engineering Bush Chains with Attachments S102.5
Product Description
XIHU (WEST LAKE) DIS.HUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification
We adopt good quality raw material and strict with DIN, ANSI, JIS standard ect, We have professional quality conrol team, complet equipment, advanaced technology. In 1999, Xihu (West Lake) Dis.hua obtained ISO9001 Certificate of Quality Assurance System, besides, the company also devotes itselt o environmental protection, In2002, it also obtained ISO14001 Certificate of Environment Management System.
Engineering Bush Chains with Attachments
Material: Alloy Steel
Surface Treatment: Shot Peening / Blacking / Blueing
Main Application: Industry machine
ANSI/XIHU (WEST LAKE) DIS.HUA CHAIN NO. PITCH
S102B 101.6
S110 152.4
S111 120.9
S131 78.11
S150 153.67
S188 66.27
S856 152.4
S102.5 102.36
S110F1 152.4
S111F1 120.9
| ANSI Chain No. | Xihu (West Lake) Dis.hua Chain No. | Pitch(mm) | Distance of 2 holes(mm) | Width of attachment(mm) | F(mm) | W(mm) | h4 | Diameter of hole d4(mm) | Plate thickness (mm) |
| S102B | 101.60 | 44.50 | 69.9 | 134.90 | 180.80 | 25.40 | 10.2 | 9.7 | |
| S110 | 152.40 | 44.50 | 89.6 | 134.90 | 180.80 | 25.40 | 10.2 | 9.7 | |
| S111 | 120.90 | 58.70 | 92.7 | 158.80 | 210.80 | 38.10 | 13.5 | 9.7 | |
| S131 | 78.11 | 38.10 | 73.9 | 104.60 | 157.00 | 25.40 | 13.5 | 9.7 | |
| S150 | 153.67 | 69.90 | 108.7 | 190.50 | 249.40 | 47.80 | 13.5 | 12.7 | |
| S188 | 66.27 | 31.80 | 54.6 | 106.40 | 131.60 | 20.60 | 8.6 | 6.4 | |
| S856 | 152.40 | 63.50 | 103.1 | 184.20 | 241.30 | 47.80 | 16.8 | 12.7 | |
| S102.5 | 102.36 | 44.45 | 69.0 | 136.53 | 163.51 | 28.58 | 9.5 | 9.5 | |
| S110F1 | 152.40 | 44.45 | 88.9 | 134.94 | 165.10 | 27.78 | 10.3 | 9.5 | |
| S111F1 | 120.90 | 58.70 | 87.5 | 158.75 | 196.85 | 38.10 | 13.7 | 9.5 |
| Usage: | Transmission Chain |
|---|---|
| Material: | Alloy/Carbon Steel |
| Color: | Solid Color |
| Pitch: | 101.6 152.4 120.9 78.11… |
| Structure (for Chain): | Roller Chain |
| Donghua Chain No: | S102b S110 S111 S131…. |
| Customization: |
Available
| Customized Request |
|---|
Can engineering chains be used in agricultural machinery and equipment?
Yes, engineering chains are commonly used in various agricultural machinery and equipment applications. Their robust design and ability to handle heavy loads make them well-suited for the demanding and often harsh conditions in the agricultural industry. Here are some examples of how engineering chains are used in agriculture:
- Combine Harvesters: Engineering chains are utilized in combine harvesters to drive components like the cutter head, reel, and auger. These chains are essential for efficient harvesting and grain collection.
- Tractors: In tractors, engineering chains are employed in power take-off (PTO) systems to transfer power from the engine to different agricultural implements, such as plows, mowers, and tillers.
- Balers: Engineering chains are used in balers to compress and bind crops into bales, facilitating easy storage and transport.
- Seeders and Planters: These machines use engineering chains to distribute seeds or plants evenly in the field, ensuring proper crop spacing and optimal growth.
- Grain Handling Equipment: Engineering chains are integral in grain handling equipment, including bucket elevators, grain conveyors, and grain elevators, facilitating the efficient movement and storage of harvested crops.
The agricultural environment can be challenging, with factors such as dust, debris, and varying weather conditions. Engineering chains used in agricultural machinery are often designed with additional protection against contaminants and corrosion to ensure reliable performance over extended periods.
When selecting engineering chains for agricultural applications, it’s essential to consider factors like load capacity, environmental conditions, maintenance requirements, and the specific needs of each machine. Regular inspection and proper lubrication are crucial to maintain the chains’ performance and extend their service life in agricultural machinery.
How do engineering chains handle angular misalignment between sprockets?
Engineering chains are designed to handle a certain degree of angular misalignment between sprockets. Angular misalignment occurs when the rotational axes of the driving and driven sprockets are not perfectly parallel, leading to an angle between them. While it is essential to minimize misalignment to prevent excessive wear and premature failure, some level of misalignment tolerance is built into engineering chains to accommodate real-world installation variations.
When angular misalignment exists, the chain’s side plates and rollers are designed to articulate and adjust to the varying angles between the sprockets. This flexibility allows the chain to smoothly engage and disengage from the sprocket teeth without binding or jamming. However, it’s important to note that excessive misalignment can still cause accelerated wear, noise, and reduced efficiency in the chain drive system.
To ensure optimal performance and longevity, it is recommended to keep angular misalignment within the manufacturer’s specified limits. These limits can vary depending on the chain size, type, and application. When installing an engineering chain, it’s crucial to align the sprockets as accurately as possible and use alignment tools if necessary.
In applications where angular misalignment is unavoidable, special chain types or accessories, such as chain tensioners or idler sprockets, can be used to help compensate for the misalignment and improve overall system performance.
In summary, engineering chains are designed to handle a certain degree of angular misalignment between sprockets, but it is essential to follow the manufacturer’s guidelines and maintain proper alignment to ensure reliable and efficient operation of the chain drive system.
Can engineering chains handle heavy loads and high torque requirements?
Yes, engineering chains are designed to handle heavy loads and high torque requirements, making them well-suited for various industrial applications that demand robust power transmission capabilities. The construction and materials used in engineering chains ensure their ability to withstand the stresses and forces associated with heavy loads and high torque.
Engineering chains are commonly used in heavy machinery, mining equipment, construction machinery, and other applications where substantial power transmission is necessary. Their sturdy design and precise engineering allow them to efficiently transmit power and handle the forces generated during operation.
The load capacity and torque-handling capabilities of engineering chains can vary depending on their design, size, and material. Manufacturers provide technical specifications and load ratings for different engineering chain types, enabling users to select the appropriate chain based on their specific application requirements.
In summary, engineering chains are well-equipped to handle heavy loads and high torque requirements, making them reliable and effective components in industrial systems that demand strength, durability, and efficient power transmission.
editor by CX 2023-10-19
China OEM Transmission Drive Bush Roller Duplex Engineering Mechanical Industrial Standard Conveyor Chain
Product Description
| Model NO. | 06C/08A/10A/12A/16A/20A/24A/28A/32A/40A/06B/08B/10B/12B/16B/20B/24B/28B/32B/40B-1/2/3 Heavy duty |
| Chain Model | Roller Chains |
| Structure (for Chain) | Roller Chain |
| Specification | GB/T, DIN, ANSI, ISO, BS, JIS. |
| Origin | HangZhou, ZheJiang |
| Color | Solid Color |
| Chain Color | Customized |
Our company
Wolff Chain Co. is 1 of the professional chain manufacturers in China. We focus on reseaching, manufacturing and trading of the chain drive with famous brands — “DOVON” and “DECHO”. We supply OEM services for many famous enterprises such as SUZUKI, XIHU (WEST LAKE) DIS., FAW, AGCO, JUMING as well.
Wolff mainly producing the Transmission chains,Conveyor chains,Dragging Chains,Silent chains,Leaf chains,Roller chains,Special chain and many other series of chain products. Our technicians a have improved the chains quality to the world-level. High quality material selection, powerful and precise heat-treatment technology and excellent assembly methods ensure Wolff chains meet the tough and strict requirements for machines and vehicles.
All of our products completely conform to the international standard such as ISO\DIN\ANSI\BS\JIS, etc. Wolff has been successfully certified by ISO9001 Quality Management System,SGS inspection and BV inspection. Wolff chains can be widely applied to many industries including automobile, motorcycle, forklift, wood processing machine, constructure machine, packing machine, food machine,tobacco machine and agricultural equipments. Wolff chains are popular in America,South America,Europe,Middle East, South East Asia and Africa markets.
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FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.We welcome sample order.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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| Standard or Nonstandard: | Standard |
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| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Food Machinery, Marine, Mining Equipment |
| Surface Treatment: | Oil Blooming |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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How do engineering chains compare to other types of chains in terms of efficiency?
Engineering chains are known for their high efficiency in power transmission compared to some other types of chains. Their efficiency can be attributed to several factors:
- Minimal Friction: Engineering chains are designed with precision rollers and bushings, which reduces friction between the chain’s components. This results in less energy loss during power transmission.
- High-Quality Materials: These chains are typically made from high-quality materials, such as alloy steel, which ensures durability and minimal elongation under heavy loads. This material choice helps maintain efficiency over extended periods of use.
- Precise Manufacturing: Engineering chains are manufactured with tight tolerances and precise engineering, ensuring consistent performance and smooth operation. This precision minimizes energy losses due to chain misalignment or uneven loading.
- Optimized Design: The design of engineering chains takes into account the specific requirements of power transmission, making them well-suited for their intended applications. This optimized design contributes to their overall efficiency.
- Proper Lubrication: Regular and proper lubrication of engineering chains is essential to maintain their efficiency. Adequate lubrication reduces friction and wear, optimizing power transfer efficiency.
Compared to some other types of chains, such as standard roller chains, engineering chains may offer higher efficiency due to their advanced design and manufacturing processes. However, the choice of chain type depends on the specific application requirements, load conditions, operating environment, and other factors.
In certain applications, other power transmission methods like belts or gears might be preferred over chains, based on factors such as noise level, space constraints, and maintenance considerations. Each power transmission method has its advantages and limitations, and selecting the most suitable option requires careful consideration of the application’s needs.
How do engineering chains handle reverse motion or anti-reverse requirements?
Engineering chains are designed to handle reverse motion or anti-reverse requirements in certain applications. This capability is essential in situations where the load or the machinery needs to move back and forth. Here’s how engineering chains achieve this:
1. Tooth Shape: Many engineering chains, such as roller chains or silent chains, feature a specific tooth shape on the sprockets. The tooth profile is designed to engage the chain rollers or links in one direction, allowing smooth motion, while preventing engagement in the reverse direction, effectively acting as an anti-reverse mechanism.
2. One-Way Clutches: Some engineering chain applications may incorporate one-way clutches or overrunning clutches. These devices allow the chain and sprockets to engage and transmit power in one direction, while freewheeling or disengaging in the opposite direction, preventing reverse motion.
3. Ratcheting Mechanisms: In certain engineering chain systems, ratcheting mechanisms are employed to allow forward motion and prevent backward movement. These mechanisms consist of pawls and teeth that engage in one direction and disengage in the reverse direction, effectively providing an anti-reverse function.
4. Backstop Clutches: Backstop clutches are used to prevent reverse motion in specific engineering chain applications. These clutches allow the chain to engage and transmit power in one direction, while locking and preventing motion in the reverse direction.
5. Tensioning Devices: Proper tensioning of the engineering chain can also play a role in preventing reverse motion. Adequate tension helps keep the chain engaged with the sprockets in the desired direction, reducing the risk of slipping or backdriving.
6. Design and Orientation: Engineers can design the system in a way that naturally discourages reverse motion. For example, the layout of the chain path and the arrangement of sprockets can make it less likely for the chain to move in the opposite direction.
By using these methods and incorporating suitable components, engineering chains can effectively handle reverse motion or anti-reverse requirements, ensuring the safe and reliable operation of machinery in applications where back-and-forth motion is necessary.
What materials are engineering chains typically made of?
Engineering chains are commonly made from a variety of durable and high-strength materials to ensure their performance and longevity in demanding industrial applications. The choice of material depends on factors such as the application’s requirements, environmental conditions, and the specific type of engineering chain. Some of the typical materials used for engineering chains include:
1. Carbon Steel: Carbon steel is a popular choice for engineering chains due to its excellent strength and affordability. It is suitable for many standard industrial applications where moderate strength and resistance to wear are required.
2. Alloy Steel: Alloy steel offers higher strength and better resistance to wear and fatigue compared to carbon steel. It is commonly used in heavy-duty and high-stress applications, such as mining equipment and construction machinery.
3. Stainless Steel: Stainless steel is chosen for its corrosion resistance properties, making it ideal for applications where the chain may be exposed to moisture, chemicals, or harsh environments. It is commonly used in food processing, pharmaceuticals, and outdoor applications.
4. Nickel-Plated Steel: Nickel-plated steel chains provide enhanced corrosion resistance while retaining the strength of carbon or alloy steel. They are often used in applications where both strength and corrosion resistance are important.
5. Plastic: In some cases, engineering chains may be constructed entirely from plastic or have plastic components. Plastic chains are commonly used in industries requiring low noise, lightweight, and corrosion resistance, such as the food and beverage industry and packaging applications.
6. Other Specialty Materials: Depending on the specific requirements of an application, engineering chains may also be made from other specialty materials like bronze, zinc-plated steel, or coated chains to meet particular needs.
The choice of material is crucial in determining the performance, longevity, and suitability of the engineering chain for a specific application. Manufacturers provide information on the material composition of their chains, allowing users to select the most appropriate material based on the intended use and operating conditions.
editor by CX 2023-09-23
China Best Sales 16A-2 a Series Short Pitch Precision Duplex Sugar Mill Chains Palm Oil Chains Industrial Engineering Roller Chains and Bush Chains
Product Description
A Series Short Pitch Precision Duplex Roller Chains & Bush Chains
| ISO/ANSI/ DIN Chain No. |
Chain No. | Pitch
P |
Roller diameter
d1max |
Width between inner plates b1min mm |
Pin diameter
d2max |
Pin length | Inner plate depth h2max mm |
Plate thickness
Tmax |
Transverse Pt mm |
Tensile strength
Qmin |
Average tensile strength Q0 kN |
Weight per meter q kg/m |
|
| Lmax mm |
Lcmax mm |
||||||||||||
| 80-2 | 16A-2 | 25.400 | 15.88 | 15.75 | 7.92 | 62.7 | 64.3 | 24.00 | 3.25 | 29.29 | 113.40/25773 | 148.6 | 5.15 |
*Bush chain: d1 in the table indicates the external diameter of the bush
ROLLER CHAIN
Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.
CONSTRUCTION OF THE CHAIN
Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CZPT which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.
The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.
LUBRICATION
Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]
There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.
Many oil-based lubricants attract dirt and other particles, eventually forming an CZPT paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.
VARIANTS DESIGN
Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.
Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.
Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.
USE
An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CZPT the bar.
Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CZPT flight, a system known as Thrust vectoring.
WEAR
The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).
With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.
The lengthening due to wear of a chain is calculated by the following formula:
M = the length of a number of links measured
S = the number of links measured
P = Pitch
In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.
CHAIN STRENGTH
The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.
The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.
CHAIN STHangZhouRDS
Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.
ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
| ASME/ANSI B29.1-2011 Roller Chain Standard Sizes | ||||
| Size | Pitch | Maximum Roller Diameter | Minimum Ultimate Tensile Strength | Measuring Load |
|---|---|---|---|---|
| 25 | 0.250 in (6.35 mm) | 0.130 in (3.30 mm) | 780 lb (350 kg) | 18 lb (8.2 kg) |
| 35 | 0.375 in (9.53 mm) | 0.200 in (5.08 mm) | 1,760 lb (800 kg) | 18 lb (8.2 kg) |
| 41 | 0.500 in (12.70 mm) | 0.306 in (7.77 mm) | 1,500 lb (680 kg) | 18 lb (8.2 kg) |
| 40 | 0.500 in (12.70 mm) | 0.312 in (7.92 mm) | 3,125 lb (1,417 kg) | 31 lb (14 kg) |
| 50 | 0.625 in (15.88 mm) | 0.400 in (10.16 mm) | 4,880 lb (2,210 kg) | 49 lb (22 kg) |
| 60 | 0.750 in (19.05 mm) | 0.469 in (11.91 mm) | 7,030 lb (3,190 kg) | 70 lb (32 kg) |
| 80 | 1.000 in (25.40 mm) | 0.625 in (15.88 mm) | 12,500 lb (5,700 kg) | 125 lb (57 kg) |
| 100 | 1.250 in (31.75 mm) | 0.750 in (19.05 mm) | 19,531 lb (8,859 kg) | 195 lb (88 kg) |
| 120 | 1.500 in (38.10 mm) | 0.875 in (22.23 mm) | 28,125 lb (12,757 kg) | 281 lb (127 kg) |
| 140 | 1.750 in (44.45 mm) | 1.000 in (25.40 mm) | 38,280 lb (17,360 kg) | 383 lb (174 kg) |
| 160 | 2.000 in (50.80 mm) | 1.125 in (28.58 mm) | 50,000 lb (23,000 kg) | 500 lb (230 kg) |
| 180 | 2.250 in (57.15 mm) | 1.460 in (37.08 mm) | 63,280 lb (28,700 kg) | 633 lb (287 kg) |
| 200 | 2.500 in (63.50 mm) | 1.562 in (39.67 mm) | 78,175 lb (35,460 kg) | 781 lb (354 kg) |
| 240 | 3.000 in (76.20 mm) | 1.875 in (47.63 mm) | 112,500 lb (51,000 kg) | 1,000 lb (450 kg |
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
| Pitch (inches) | Pitch expressed in eighths |
ANSI standard chain number |
Width (inches) |
|---|---|---|---|
| 1⁄4 | 2⁄8 | 25 | 1⁄8 |
| 3⁄8 | 3⁄8 | 35 | 3⁄16 |
| 1⁄2 | 4⁄8 | 41 | 1⁄4 |
| 1⁄2 | 4⁄8 | 40 | 5⁄16 |
| 5⁄8 | 5⁄8 | 50 | 3⁄8 |
| 3⁄4 | 6⁄8 | 60 | 1⁄2 |
| 1 | 8⁄8 | 80 | 5⁄8 |
Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.
Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.
Roller chains made using ISO standard are sometimes called as isochains.
WHY CHOOSE US
1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Food and Beverage Industry, Motorcycle Parts |
| Surface Treatment: | Polishing |
| Samples: |
US$ 0/Meter
1 Meter(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can engineering chains be used in high-temperature environments?
Yes, engineering chains can be used in high-temperature environments, but their performance depends on the type of material they are made of and the specific temperature conditions they are exposed to. Here are some considerations for using engineering chains in high-temperature environments:
- Material Selection: Chains made from heat-resistant materials, such as stainless steel or special alloy steels, are suitable for high-temperature applications. These materials offer increased resistance to heat, oxidation, and corrosion.
- Lubrication: Proper lubrication is critical when using engineering chains in high-temperature environments. High-temperature lubricants that can withstand the specific temperature range are essential to reduce friction and wear between the chain’s components.
- Heat Dissipation: In high-temperature environments, the heat generated by the chain’s operation needs to be dissipated effectively to prevent excessive temperature rise. Adequate ventilation or cooling mechanisms may be required to maintain the chain within a safe operating temperature range.
- Chain Design: Chains intended for high-temperature use may have specific design features that enhance their heat resistance and performance. These design modifications can include heat-resistant coatings, special alloys, or heat-treated components.
- Operating Conditions: The operating conditions, such as the temperature range and the duration of exposure to high temperatures, should be carefully evaluated to ensure the chain’s material and lubrication are suitable for the specific application.
- Inspections and Maintenance: Regular inspections and maintenance are crucial to monitor the chain’s condition and performance in high-temperature environments. Any signs of wear, elongation, or damage should be addressed promptly to prevent potential failures.
When properly selected, lubricated, and maintained, engineering chains made from heat-resistant materials can reliably operate in high-temperature environments. It’s essential to consult with chain manufacturers or experts to determine the most suitable chain type and material for a specific high-temperature application.
What are the factors to consider when selecting an engineering chain for an application?
When selecting an engineering chain for a specific application, several important factors should be taken into consideration:
1. Load Capacity: Determine the maximum load the chain will need to handle in the application. It’s crucial to select a chain with a sufficient load-carrying capacity to ensure safe and reliable operation.
2. Speed: Consider the operating speed of the application. High-speed applications may require special engineering chains designed to handle increased centrifugal forces and reduce wear.
3. Environmental Conditions: Evaluate the environmental factors the chain will be exposed to, such as temperature, humidity, corrosive substances, and contaminants. Choose chains with suitable materials and coatings to withstand these conditions.
4. Lubrication: Determine the lubrication requirements of the chain. Some chains may require regular lubrication, while others are designed to operate with minimal or no additional lubrication.
5. Alignment and Tension: Ensure proper alignment and tensioning of the chain to prevent premature wear and elongation, which can lead to chain failure.
6. Space Limitations: Consider the available space for the chain in the application. Some environments may require compact chain designs to fit within tight spaces.
7. Application Type: Different types of engineering chains are available, each designed for specific applications, such as conveyor systems, power transmission, lifting equipment, or agricultural machinery. Select a chain type that aligns with the application’s requirements.
8. Maintenance: Evaluate the maintenance capabilities of the application. Some chains may require frequent maintenance, while others offer extended maintenance intervals.
9. Cost: Consider the budget for the chain. While cost is important, it’s essential to balance it with the chain’s quality and performance to ensure long-term reliability and reduced downtime.
10. Manufacturer and Quality: Choose engineering chains from reputable manufacturers known for producing high-quality and reliable products.
By carefully considering these factors, engineers and operators can select the most suitable engineering chain for their specific application, ensuring optimal performance, longevity, and safety.
What are the maintenance requirements for engineering chains?
Maintaining engineering chains is essential to ensure their longevity, reliable performance, and safe operation in industrial applications. The following are key maintenance requirements for engineering chains:
1. Regular Inspection: Conduct routine visual inspections of the chain to check for signs of wear, corrosion, or damage. Look for elongation, bent or broken links, and worn sprocket engagement areas.
2. Lubrication: Proper and timely lubrication is crucial for reducing friction and wear between chain components. Lubricate the chain using a suitable lubricant as recommended by the manufacturer.
3. Tension Adjustment: Check and adjust the chain’s tension regularly to maintain the correct amount of slack. Proper tension ensures efficient power transmission and minimizes stress on the chain and sprockets.
4. Cleaning: Keep the chain clean and free from debris, dirt, and contaminants that may accelerate wear and corrosion. Use appropriate cleaning methods and solutions that do not damage the chain’s surface.
5. Replace Worn Components: Replace any worn or damaged components, such as chain links or sprockets, promptly to prevent further damage and potential chain failure.
6. Avoid Overloading: Do not subject the engineering chain to loads exceeding its capacity. Overloading can lead to premature wear and failure.
7. Environmental Considerations: Consider the environment in which the chain operates. In corrosive or harsh environments, choose chains with appropriate coatings or materials to resist corrosion.
8. Follow Manufacturer’s Recommendations: Adhere to the manufacturer’s maintenance guidelines and recommended service intervals specific to the engineering chain model and application.
9. Training and Safety: Ensure that personnel handling the chain are properly trained in maintenance procedures and safety protocols.
10. Record Keeping: Maintain detailed records of maintenance activities, inspections, and replacements to track the chain’s condition and performance over time.
By following these maintenance requirements, industrial operators can extend the life of engineering chains, prevent unplanned downtime, and ensure safe and efficient operation in their respective applications.
editor by CX 2023-09-08
China Standard Engineering Bush Chains with Attachments S102.5
Product Description
XIHU (WEST LAKE) DIS.HUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification
We adopt good quality raw material and strict with DIN, ANSI, JIS standard ect, We have professional quality conrol team, complet equipment, advanaced technology. In 1999, Xihu (West Lake) Dis.hua obtained ISO9001 Certificate of Quality Assurance System, besides, the company also devotes itselt o environmental protection, In2002, it also obtained ISO14001 Certificate of Environment Management System.
Engineering Bush Chains with Attachments
Material: Alloy Steel
Surface Treatment: Shot Peening / Blacking / Blueing
Main Application: Industry machine
ANSI/XIHU (WEST LAKE) DIS.HUA CHAIN NO. PITCH
S102B 101.6
S110 152.4
S111 120.9
S131 78.11
S150 153.67
S188 66.27
S856 152.4
S102.5 102.36
S110F1 152.4
S111F1 120.9
| ANSI Chain No. | Xihu (West Lake) Dis.hua Chain No. | Pitch(mm) | Distance of 2 holes(mm) | Width of attachment(mm) | F(mm) | W(mm) | h4 | Diameter of hole d4(mm) | Plate thickness (mm) |
| S102B | 101.60 | 44.50 | 69.9 | 134.90 | 180.80 | 25.40 | 10.2 | 9.7 | |
| S110 | 152.40 | 44.50 | 89.6 | 134.90 | 180.80 | 25.40 | 10.2 | 9.7 | |
| S111 | 120.90 | 58.70 | 92.7 | 158.80 | 210.80 | 38.10 | 13.5 | 9.7 | |
| S131 | 78.11 | 38.10 | 73.9 | 104.60 | 157.00 | 25.40 | 13.5 | 9.7 | |
| S150 | 153.67 | 69.90 | 108.7 | 190.50 | 249.40 | 47.80 | 13.5 | 12.7 | |
| S188 | 66.27 | 31.80 | 54.6 | 106.40 | 131.60 | 20.60 | 8.6 | 6.4 | |
| S856 | 152.40 | 63.50 | 103.1 | 184.20 | 241.30 | 47.80 | 16.8 | 12.7 | |
| S102.5 | 102.36 | 44.45 | 69.0 | 136.53 | 163.51 | 28.58 | 9.5 | 9.5 | |
| S110F1 | 152.40 | 44.45 | 88.9 | 134.94 | 165.10 | 27.78 | 10.3 | 9.5 | |
| S111F1 | 120.90 | 58.70 | 87.5 | 158.75 | 196.85 | 38.10 | 13.7 | 9.5 |
| Usage: | Transmission Chain |
|---|---|
| Material: | Alloy/Carbon Steel |
| Color: | Solid Color |
| Pitch: | 101.6 152.4 120.9 78.11… |
| Structure (for Chain): | Roller Chain |
| Donghua Chain No: | S102b S110 S111 S131…. |
| Customization: |
Available
| Customized Request |
|---|
Can engineering chains be used in agricultural machinery and equipment?
Yes, engineering chains are commonly used in various agricultural machinery and equipment applications. Their robust design and ability to handle heavy loads make them well-suited for the demanding and often harsh conditions in the agricultural industry. Here are some examples of how engineering chains are used in agriculture:
- Combine Harvesters: Engineering chains are utilized in combine harvesters to drive components like the cutter head, reel, and auger. These chains are essential for efficient harvesting and grain collection.
- Tractors: In tractors, engineering chains are employed in power take-off (PTO) systems to transfer power from the engine to different agricultural implements, such as plows, mowers, and tillers.
- Balers: Engineering chains are used in balers to compress and bind crops into bales, facilitating easy storage and transport.
- Seeders and Planters: These machines use engineering chains to distribute seeds or plants evenly in the field, ensuring proper crop spacing and optimal growth.
- Grain Handling Equipment: Engineering chains are integral in grain handling equipment, including bucket elevators, grain conveyors, and grain elevators, facilitating the efficient movement and storage of harvested crops.
The agricultural environment can be challenging, with factors such as dust, debris, and varying weather conditions. Engineering chains used in agricultural machinery are often designed with additional protection against contaminants and corrosion to ensure reliable performance over extended periods.
When selecting engineering chains for agricultural applications, it’s essential to consider factors like load capacity, environmental conditions, maintenance requirements, and the specific needs of each machine. Regular inspection and proper lubrication are crucial to maintain the chains’ performance and extend their service life in agricultural machinery.
How do engineering chains handle reverse motion or anti-reverse requirements?
Engineering chains are designed to handle reverse motion or anti-reverse requirements in certain applications. This capability is essential in situations where the load or the machinery needs to move back and forth. Here’s how engineering chains achieve this:
1. Tooth Shape: Many engineering chains, such as roller chains or silent chains, feature a specific tooth shape on the sprockets. The tooth profile is designed to engage the chain rollers or links in one direction, allowing smooth motion, while preventing engagement in the reverse direction, effectively acting as an anti-reverse mechanism.
2. One-Way Clutches: Some engineering chain applications may incorporate one-way clutches or overrunning clutches. These devices allow the chain and sprockets to engage and transmit power in one direction, while freewheeling or disengaging in the opposite direction, preventing reverse motion.
3. Ratcheting Mechanisms: In certain engineering chain systems, ratcheting mechanisms are employed to allow forward motion and prevent backward movement. These mechanisms consist of pawls and teeth that engage in one direction and disengage in the reverse direction, effectively providing an anti-reverse function.
4. Backstop Clutches: Backstop clutches are used to prevent reverse motion in specific engineering chain applications. These clutches allow the chain to engage and transmit power in one direction, while locking and preventing motion in the reverse direction.
5. Tensioning Devices: Proper tensioning of the engineering chain can also play a role in preventing reverse motion. Adequate tension helps keep the chain engaged with the sprockets in the desired direction, reducing the risk of slipping or backdriving.
6. Design and Orientation: Engineers can design the system in a way that naturally discourages reverse motion. For example, the layout of the chain path and the arrangement of sprockets can make it less likely for the chain to move in the opposite direction.
By using these methods and incorporating suitable components, engineering chains can effectively handle reverse motion or anti-reverse requirements, ensuring the safe and reliable operation of machinery in applications where back-and-forth motion is necessary.
How do engineering chains handle shock loads and impact forces?
Engineering chains are designed to handle a range of loads, including shock loads and impact forces, encountered in various industrial applications. Their ability to withstand these forces depends on several factors:
1. Material Selection: High-quality engineering chains are often made from robust materials such as alloy steel or stainless steel. These materials provide excellent strength and durability, allowing the chain to handle shock loads without permanent deformation or failure.
2. Chain Design: The design of engineering chains plays a crucial role in their ability to handle shock loads. The chain’s structure, such as the shape and size of its components, determines its load-bearing capacity and resistance to impact forces.
3. Heat Treatment: Some engineering chains undergo specific heat treatment processes to enhance their hardness and toughness. Heat-treated chains can better withstand shock loads and impact forces, making them suitable for demanding applications.
4. Fatigue Resistance: Engineering chains are designed to have good fatigue resistance, which means they can endure repeated loading cycles without failure. This property is essential for withstanding impact forces that occur intermittently in certain applications.
5. Proper Installation and Tensioning: Correct installation and appropriate tensioning of the chain are essential to ensure optimal performance under shock loads. Improper tensioning may lead to excessive stress on the chain and premature failure.
6. Chain Speed: The speed at which the chain operates can influence its ability to handle shock loads. High-speed operation may generate additional forces, so the chain must be rated to withstand these forces without exceeding its limits.
7. Regular Maintenance: Proper maintenance is crucial for extending the life of engineering chains subjected to shock loads and impact forces. Regular inspections, lubrication, and replacement of worn components are essential to keep the chain in optimal condition.
Overall, engineering chains are engineered to handle shock loads and impact forces in industrial environments. However, it is crucial to choose the right chain type, size, and material for the specific application and to follow proper installation and maintenance practices to ensure reliable and safe operation under varying load conditions.
editor by CX 2023-09-07
China Professional Engineering and Construction Machinery Industrial Transmission 48A-2 a Series Short Pitch Precision Duplex Industrial Driving Roller Chains and Bush Chains
Product Description
A Series Short Pitch Precision Duplex Roller Chains & Bush Chains
| ISO/ANSI/ DIN Chain No. |
Chain No. | Pitch
P |
Roller diameter
d1max |
Width between inner plates b1min mm |
Pin diameter
d2max |
Pin length | Inner plate depth h2max mm |
Plate thickness
Tmax |
Transverse Pt mm |
Tensile strength
Qmin |
Average tensile strength Q0 kN |
Weight per meter q kg/m |
|
| Lmax mm |
Lcmax mm |
||||||||||||
| 240-2 | 48A-2 | 76.200 | 47.63 | 47.35 | 23.81 | 183.4 | 190.8 | 72.39 | 9.50 | 87.83 | 1571.60/213955 | 1343.2 | 45.23 |
ROLLER CHAIN
Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.
CONSTRUCTION OF THE CHAIN
Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CZPT which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.
The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.
LUBRICATION
Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]
There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.
Many oil-based lubricants attract dirt and other particles, eventually forming an CZPT paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.
VARIANTS DESIGN
Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.
Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.
Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.
USE
An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CZPT the bar.
Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CZPT flight, a system known as Thrust vectoring.
WEAR
The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).
With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.
The lengthening due to wear of a chain is calculated by the following formula:
M = the length of a number of links measured
S = the number of links measured
P = Pitch
In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.
CHAIN STRENGTH
The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.
The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.
CHAIN STHangZhouRDS
Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.
ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25
| ASME/ANSI B29.1-2011 Roller Chain Standard Sizes | ||||
| Size | Pitch | Maximum Roller Diameter | Minimum Ultimate Tensile Strength | Measuring Load |
|---|---|---|---|---|
| 25 | 0.250 in (6.35 mm) | 0.130 in (3.30 mm) | 780 lb (350 kg) | 18 lb (8.2 kg) |
| 35 | 0.375 in (9.53 mm) | 0.200 in (5.08 mm) | 1,760 lb (800 kg) | 18 lb (8.2 kg) |
| 41 | 0.500 in (12.70 mm) | 0.306 in (7.77 mm) | 1,500 lb (680 kg) | 18 lb (8.2 kg) |
| 40 | 0.500 in (12.70 mm) | 0.312 in (7.92 mm) | 3,125 lb (1,417 kg) | 31 lb (14 kg) |
| 50 | 0.625 in (15.88 mm) | 0.400 in (10.16 mm) | 4,880 lb (2,210 kg) | 49 lb (22 kg) |
| 60 | 0.750 in (19.05 mm) | 0.469 in (11.91 mm) | 7,030 lb (3,190 kg) | 70 lb (32 kg) |
| 80 | 1.000 in (25.40 mm) | 0.625 in (15.88 mm) | 12,500 lb (5,700 kg) | 125 lb (57 kg) |
| 100 | 1.250 in (31.75 mm) | 0.750 in (19.05 mm) | 19,531 lb (8,859 kg) | 195 lb (88 kg) |
| 120 | 1.500 in (38.10 mm) | 0.875 in (22.23 mm) | 28,125 lb (12,757 kg) | 281 lb (127 kg) |
| 140 | 1.750 in (44.45 mm) | 1.000 in (25.40 mm) | 38,280 lb (17,360 kg) | 383 lb (174 kg) |
| 160 | 2.000 in (50.80 mm) | 1.125 in (28.58 mm) | 50,000 lb (23,000 kg) | 500 lb (230 kg) |
| 180 | 2.250 in (57.15 mm) | 1.460 in (37.08 mm) | 63,280 lb (28,700 kg) | 633 lb (287 kg) |
| 200 | 2.500 in (63.50 mm) | 1.562 in (39.67 mm) | 78,175 lb (35,460 kg) | 781 lb (354 kg) |
| 240 | 3.000 in (76.20 mm) | 1.875 in (47.63 mm) | 112,500 lb (51,000 kg) | 1,000 lb (450 kg |
For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):
| Pitch (inches) | Pitch expressed in eighths |
ANSI standard chain number |
Width (inches) |
|---|---|---|---|
| 1⁄4 | 2⁄8 | 25 | 1⁄8 |
| 3⁄8 | 3⁄8 | 35 | 3⁄16 |
| 1⁄2 | 4⁄8 | 41 | 1⁄4 |
| 1⁄2 | 4⁄8 | 40 | 5⁄16 |
| 5⁄8 | 5⁄8 | 50 | 3⁄8 |
| 3⁄4 | 6⁄8 | 60 | 1⁄2 |
| 1 | 8⁄8 | 80 | 5⁄8 |
Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.
Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.
Roller chains made using ISO standard are sometimes called as isochains.
WHY CHOOSE US
1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated|
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| Standard or Nonstandard: | Standard |
|---|---|
| Application: | Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Food and Beverage Industry, Motorcycle Parts |
| Surface Treatment: | Polishing |
| Samples: |
US$ 0/Meter
1 Meter(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do engineering chains handle misalignment between sprockets?
Engineering chains are designed to handle some degree of misalignment between sprockets. Misalignment can occur due to various factors such as improper installation, wear and elongation of the chain, or inaccuracies in the machinery. While some misalignment is inevitable in many industrial applications, excessive misalignment should be avoided to ensure optimal chain performance and longevity.
Here’s how engineering chains handle misalignment:
- Flexible Construction: Engineering chains are constructed with flexible components such as pins, rollers, and bushings. This design allows the chain to adapt to minor misalignments without putting excessive stress on the chain or sprockets.
- Articulating Joints: The articulating joints in the chain allow it to articulate smoothly around the sprockets, accommodating minor misalignment during the rotation. This helps reduce wear on the chain and sprockets.
- Tolerance for Misalignment: Manufacturers provide specifications for the allowable misalignment between sprockets. Engineering chains are designed to handle a certain level of misalignment within these tolerances without significantly affecting their performance.
- Proper Installation: Correct installation of the engineering chain is crucial to minimizing misalignment issues. Ensuring proper tension, alignment, and center-to-center distance between sprockets can help reduce misalignment and prolong chain life.
- Regular Maintenance: Regular maintenance, including chain inspection and lubrication, can help identify and address misalignment issues early on. Promptly correcting misalignment can prevent further damage and ensure efficient chain operation.
- Alignment Devices: In some cases, alignment devices or tools may be used during installation to ensure accurate alignment between the sprockets. These devices can help improve chain performance and reduce wear caused by misalignment.
It is essential to follow the manufacturer’s guidelines for chain installation, maintenance, and alignment to optimize the performance and service life of engineering chains. Addressing misalignment issues promptly and keeping the chain in proper working condition will contribute to the overall reliability and efficiency of the machinery or equipment in which the chain is used.
How do engineering chains handle reverse motion or anti-reverse requirements?
Engineering chains are designed to handle reverse motion or anti-reverse requirements in certain applications. This capability is essential in situations where the load or the machinery needs to move back and forth. Here’s how engineering chains achieve this:
1. Tooth Shape: Many engineering chains, such as roller chains or silent chains, feature a specific tooth shape on the sprockets. The tooth profile is designed to engage the chain rollers or links in one direction, allowing smooth motion, while preventing engagement in the reverse direction, effectively acting as an anti-reverse mechanism.
2. One-Way Clutches: Some engineering chain applications may incorporate one-way clutches or overrunning clutches. These devices allow the chain and sprockets to engage and transmit power in one direction, while freewheeling or disengaging in the opposite direction, preventing reverse motion.
3. Ratcheting Mechanisms: In certain engineering chain systems, ratcheting mechanisms are employed to allow forward motion and prevent backward movement. These mechanisms consist of pawls and teeth that engage in one direction and disengage in the reverse direction, effectively providing an anti-reverse function.
4. Backstop Clutches: Backstop clutches are used to prevent reverse motion in specific engineering chain applications. These clutches allow the chain to engage and transmit power in one direction, while locking and preventing motion in the reverse direction.
5. Tensioning Devices: Proper tensioning of the engineering chain can also play a role in preventing reverse motion. Adequate tension helps keep the chain engaged with the sprockets in the desired direction, reducing the risk of slipping or backdriving.
6. Design and Orientation: Engineers can design the system in a way that naturally discourages reverse motion. For example, the layout of the chain path and the arrangement of sprockets can make it less likely for the chain to move in the opposite direction.
By using these methods and incorporating suitable components, engineering chains can effectively handle reverse motion or anti-reverse requirements, ensuring the safe and reliable operation of machinery in applications where back-and-forth motion is necessary.
How do you select the right size and pitch for an engineering chain?
Choosing the correct size and pitch for an engineering chain is essential to ensure optimal performance, longevity, and safety in industrial applications. Here are the steps to guide you in selecting the right engineering chain size and pitch:
1. Identify the Application Requirements: Understand the specific requirements of the application where the engineering chain will be used. Consider factors such as the load to be carried, the speed of operation, the environmental conditions, and any special considerations like corrosion resistance or high-temperature requirements.
2. Determine the Chain Type: Engineering chains come in various types, such as roller chains, conveyor chains, drive chains, and specialty chains. Choose the chain type that best matches the intended application and the type of motion required.
3. Calculate the Chain Pitch: The chain pitch refers to the distance between each roller pin or attachment point on the chain. To calculate the chain pitch, measure the center-to-center distance of any three consecutive pins and divide it by two. Ensure that the calculated pitch matches the chain’s specified pitch.
4. Calculate the Chain Length: Determine the required length of the engineering chain by considering the distance between the sprockets and any additional slack or tension needed for smooth operation. Ensure that the selected chain length is appropriate for the application and fits well without being overly tight or loose.
5. Check Load Capacity and Strength: Refer to the manufacturer’s data or engineering chain catalog to determine the load capacity and strength of the selected chain. Ensure that the chain’s load capacity exceeds the maximum loads expected in the application to prevent premature wear or failure.
6. Consider the Environmental Factors: Take into account any environmental factors that may affect the performance of the engineering chain, such as temperature, moisture, chemicals, or abrasive materials. Choose a chain material that can withstand the specific environmental conditions to ensure longevity.
7. Consult with Manufacturers or Suppliers: If you are uncertain about selecting the right engineering chain, do not hesitate to consult with chain manufacturers or suppliers. They can provide valuable insights and recommendations based on their expertise and knowledge of various applications.
By following these steps and carefully evaluating the application’s requirements, you can select the appropriate size and pitch for an engineering chain, ensuring reliable and efficient operation in your specific industrial setting.
editor by CX 2023-08-10
China 14mm Name Necklace Cuban Chain Customize Baguette DIY Name Buckle Necklace Prong Chain Iced Out Miami Cuban Link Chain steel bush chain
Model Amount: DIY571
Jewellery Principal Materials: Brass
Content Type: Other
Diamond shape: Princess Cut
Pearl Kind: Other
Gender: Men’s, Unisex, Women’s
Primary Stone: ZIRCON
Jewellery Sort: NECKLACES
Necklaces Type: Attraction Necklaces
Situation: Anniversary, Engagement, Gift, Party, Marriage, Other
Chain Type: Link Chain
Plating: 18K Gold Plated, Silver Plated
Shapepattern: Letter
Fashion: Hiphop, Hiphop, Style
Religious Variety: NONE
Inlay technology: Micro insert
Solution identify: Original Letter Necklace Do it yourself Jewellery
Key word: Customized Letter Necklace
Shade: Gold, Silvery,Two tone
Material: brass+cz
Packing: Opp Bag, bubble bag
Payment Time period: Western Union, Bank Transfer, Ali Pay out, Online Payment, and so forth.
Shipping and delivery: DHL, UPS, Fedex, EMS, CZPT Shipping, Sf-specific, E packect, and so on.
Supply time: 7-15 Functioning Times
Dropshipping: Suitable, we experienced numerous many years for fall transport provider
Packaging Details: Each 1 with the single opp baggage, with the bubble bags. 30 items with a internal white box.
Solution Information NEW ARRIVAL HIP HOP Jewelry!!!♥.This is a fashionable hip-hop jewelry with prime grade material.♥.With hip-hop fashion, it is easy rejoice your class when wear it.♥.It is sizzling sale in Europe, United states of america hip-hop jewelry market this 12 months .♥.Its hip-hop style is made with outstanding materials which is a perfect way to incorporate a minor sparkle to your seem for a unique celebration.♥.It will be the ideal hip-hop reward for your close friends and yourself.
| Product: | Letter Hook Cuban Chain Necklace | ||||||||||||||||||||||||||||||||
| Dimensions: | 7inch,8inch.14inch,16inch,18inch,20inch | ||||||||||||||||||||||||||||||||
| MOQ: | 1pcs | ||||||||||||||||||||||||||||||||
| Payment: | Escrew, Side by Side 44 UTV 650CC 1.5 oil seal for CZPT vehicle and so forth. 2. For big buy, 30% deposit very first, stability just before delivery right after see the items picture. Shipping: 1. We generally guidance our client taking DHL, FEDEX, UPS, TNT, China Submit, EMS and so on, it is rapidly and basic safety. FAQ 1. Q:What’s your MOQ? Can you combine the colour for me? A:Usually, MOQ 2 pieces for stock products, Coloration can blend. You can pick on the internet, or you can get in touch with us and compose down what is the shade you want.2. Q:If my amount is big, can I get discount? A:Please make contact with us.We will consider our best give you far better price tag.3. Q:What is actually your packing way? A:We generally Opp bag, packing box is also available. Occasionally plus bubble pack to shield our products.
buy drive chainBuying a drive chain requires a certain understading of its characteristics. This article discusses the different types of chains available, including Silent, Flat-top, and Duplex. By the end of this article, you should have a basic understanding of what each type of chain is for. First, here are some basic rules to keep in mind when shopping for a chain. To find the drive chain that best suits your needs, read on. roller chainChoosing the right roller chain for your drive chain depends on several factors. First, you have to determine the motor horsepower and rpm for the small drive sprocket. These values determine the size of the chain and the number of teeth on the drive sprocket. Next, you need to determine the size of the conveyor chain, it can be the horizontal, vertical, or curved radius. Depending on your specific needs, you can also choose between two-strand or three-strand chains. mute chainThe design of the silent transmission chain is as follows: the large chain plates 2 are stacked one on top of the other in the direction of the chain length. The connecting rods are connected by connecting pins 3. The outermost and central guide plates 4 are fastened to the connecting pins 3 by means of rivets. This construction helps minimize friction on the sliding surfaces of the chain. Chainplate 2 of the silent transmission chain is usually made of stainless steel. flat top chainOne of the important parts of the flat top chainplate system is the hinge pin, which is used to fix the chainplate and is responsible for the smooth and efficient conveying of the chainplate. There are several types of hinge pins, including single hinge pins and double hinge pins. The single hinge pin is suitable for the chainplate with a small span and small bearing capacity, and the double hinge pin is suitable for the chainplate with a large span and high bearing capacity. double chainBesides the roller chain, another type of chain drive is the double drive chain. This type of chain consists of a series of short cylindrical rollers connected together by side links and driven by gears called sprockets. This type of chain is very reliable and only requires a tractor with a high rpm PTO. It is manufactured by CZPT and is available in many different sizes and finishes. Self-lubricating chainSelf-lubricating drive chains are the ideal solution for applications that do not require the relubrication of conventional chains. This maintenance-free roller chain features fully heat-treated components that increase the chain’s fatigue resistance and strength. It’s sintered alloy bushings are oil-impregnated, reducing the chance of premature wear and elongation. Its self-lubricating properties enhance its durability and work well even in hard-to-reach places.
China 11Pcsset Foot Knuckle Ring Set Hollow Chain Twist Flower Knuckle Foot Ring Set For Women Bohemia Design open foot ring block or bush chainDesign Amount: L969 Specification
Three important aspects of the drive chainOne of the advantages of a drive chain is that it is relatively light. It sends nearly all of the engine’s power to the rear wheels, even if it loses some power along the way. Engine power on a dyno is different than on the road. Therefore, the chain is the most efficient way to transmit power to the rear wheel. Let’s look at three important aspects of the drive chain. Here are some facts about them. roller chain driveWhen choosing a roller chain drive, consider your application and how much horsepower your system requires. For applications requiring more horsepower, a multi-strand drive is an option. If your horsepower is limited, single-strand drives are a good choice. Otherwise, you may need to choose the smallest pitch chain. However, this may not always be possible. You should also consider sprocket size. In many cases, choosing a smaller chain pitch can increase the number of options. flat top chainThe flat-top chain system consists of hinge pins that support the chain to ensure efficient conveying. There are different types of hinge pins available, namely single and double. The single hinge pin is suitable for short chainplates and lightly loaded products. Dual hinge pins provide increased stability and load capacity. Flat top drive chains can be used in many different industries. In this article, we will learn about some important properties of flat-top chains. mute chainThere are several types of mufflers that can silence your drive chain. One is the Ramsay silent chain, also known as the inverted tooth chain. These chains can be custom designed for specific needs. Exclusive Australian distributor of CZPT products that can help you find the most effective and affordable silent chain. In addition to silent chains, CZPT also manufactures sprockets and other hardware required for the drive. conveyor chainDrive chains and conveyor chains are essentially the same, but they are very different. The transmission chain is mainly used to transport heavy objects, and the conveyor chain is used to transport light objects. On the other hand, drive chains are usually driven by belts. Both types of chains can be used for the same purpose. This article will cover both types of chains. You can use them to convey various types of materials and products. time chainTiming chains fail for two reasons: complete damage and fatigue. Fatigue occurs when a timing chain reaches its breaking strength, and eventually, failure occurs when a timing chain exceeds its design life and suffers mechanical damage. Most timing chain failures are a combination of mechanical failure and fatigue. Chain chatter, engine misfires, and VVT systems can accelerate chain fatigue. If these causes of premature timing chain failure are not addressed, the timing chain could be permanently damaged. Timing Chains in Internal Combustion EnginesInternal combustion engines use timing chains to control intake and exhaust valves. The chain turns the camshaft at the right time and coordinates the movement of the valves on the cylinder head. This in turn allows the engine to generate power. The timing chain also controls the position of the intake and exhaust valves, ensuring that fuel and exhaust gases are expelled at the correct time. Incorrect timing in the vehicle can lead to misfires and other problems. Silent chains in internal combustion enginesThe pitch difference between the drive sprocket and the silent chain reduces resonance sound, meshing shock, and accelerated wear at the chain and sprocket interface. The difference in pitch between the drive sprocket and the silent chain determines the loudness of the sound, and the system described here helps reduce it. The present invention is suitable for power transmission in internal combustion engines. lifting chainLift chairs are designed to lift heavy objects and can be used with a variety of lifting equipment, including forklifts and cranes. Hoist chains are also used in warehouses and ports of all sizes and consist of a series of pins and plates that mesh with each other to move heavy loads. CZPT Chain manufactures high-precision lifting chains. Here are some of the benefits of hoist chains for drive chains.
China 100pcs 45cm Braided Adjustable Black Leather Rope Wax Cord DIY Handmade Necklace Pendant Lobster Clasp String Cord Jewelry Chain bush chain vs roller chainModel Number: WR65496755719 | ||||||||||||||||||||||||||||||||
| Jewelry Findings Variety | Chains | ||||||||||||||||||||||||||||||||
| Material | Polyester+alloy | ||||||||||||||||||||||||||||||||
| Color | Many shade,as the picture demonstrate | ||||||||||||||||||||||||||||||||
| MOQ | 100pcs | ||||||||||||||||||||||||||||||||
| Size | 1.5 mm & 2 mm Size :45cm | ||||||||||||||||||||||||||||||||
| OEM/ODM | Welcome | ||||||||||||||||||||||||||||||||
| Weight | 3g | ||||||||||||||||||||||||||||||||
| Shipping | 3-7 Times | ||||||||||||||||||||||||||||||||
| Payment | Paypal.Western Union.TT.Credit score Card | ||||||||||||||||||||||||||||||||
| Delivery time | 7-15 Days | ||||||||||||||||||||||||||||||||
| Package | 100 pcs / opp bag |
Roller Chain Maintenance Tips
There are many things to keep in mind when maintaining a roller chain. The main reasons include friction and external influences. Without proper lubrication and adjustment, such chains will wear prematurely. Here are some tips for keeping your roller chain in top shape. continue reading! This will make your process easier. We will also discuss the cost of the new roller chain. As always, remember to check for loose ends and adjust the chain regularly.
Preloading
Roller chains are designed to accommodate many different types of loads. Sprockets are the main cause of chain wear. Axial and angular misalignment occurs when the sprocket faces are not properly aligned. Both types of misalignment increase stress and wear on the roller chain. They can also negatively affect the drive. Therefore, choosing the right chain is an important consideration.
Preloading helps to eliminate initial elongation and extend service life. The benefits of preloading can be seen in the preloading chart. Significant elongation occurs during drive startup with no or minimal preload. This is due to the surface hardness of the worn parts. On the other hand, a properly preloaded chain shows little elongation during the initial start. Therefore, proper preload can prolong wear life.
Although elongation is a natural phenomenon in any drive, it can be minimized or eliminated with proper maintenance. In addition to regular inspections, you should do a full inspection of your chain after the first hundred hours. This inspection should focus on key life factors such as 3% elongation, how the chain is lubricated, and any other issues that may affect life. A good quality chain should have the longest life and no problems.
There are many different roller chain specifications. A good rule of thumb is to choose chains with at least five links. Then, tighten the chain until a break occurs, and it will tell you what kind of break occurred. Alternatively, you can use a roller chain with the maximum allowable load. As long as the MAL doesn’t exceed that number, it’s still perfectly safe to use it for any application.
lubricating
When it comes to lubrication, there are several different techniques. For example, spray lubrication is a popular method for high-horsepower drives and high-load and fast-moving machines. This method is very effective, but it is expensive, and spraying the chain too far out of the guard can cause leaks. Another common method is brush lubrication. Brush lubrication involves applying a continuous flow of oil to the chain, pushing it into the chain. This lubrication technique reduces the application temperature of the chain. Also, it can extend the life of the chain, depending on the manufacturer’s specifications.
While the lubrication of roller chain couplings varies by application, sprocket hubs should be lubricated monthly to ensure proper sealing. The amount of oil used depends on the rotational speed and the type of roller chain coupling. In general, lubricants used in roller chain couplings should have excellent adhesion, oxidation, and mechanical stability.
Wear-resistant lubricants are recommended. They prevent the rollers from sticking to each other and prevent rusting. These lubricants have low surface tension and are not harmful to metal or O-ring chains. The optimum lubrication method depends on ambient temperature, horsepower, and chain speed. Properly lubricating a roller chain increases the life of the chain and reduces the risk of wear.
Proper lubrication of the roller chain is essential to prevent corrosion and prolong its service life. The oil forms a smooth film on the chain components, reducing metal-to-metal contact and minimizing friction and wear. Additionally, the oil provides a smooth running surface and reduces noise. However, the running-in process of roller chain lubrication cannot be underestimated. When using heavy-duty oils, ensure that the lubricant is compatible with operating and ambient temperatures.
Maintain
To extend the life of your roller chain, you need to carry out regular inspections. First, you should check the T-pin on the link plate at the joint. If they are not connected properly, it can cause the chain to stretch and not maintain proper spacing and timing. Next, you should look for unusual noise, corrosion, and dirt that may indicate wear. If you notice any of these problems, it’s time to replace the chain.
In order to properly maintain a roller chain, both areas of the roller chain must be lubricated with the correct lubricant. Lubricants used should be SAE non-degreased oils. There are several types of lubricants available, but the best one is a petroleum-based oil with a high viscosity. You can also check for signs of wear, such as red or brown discoloration. This means that there is not enough lubrication.
While the life expectancy of a roller chain is unknown, it is important to know how to extend its life and maximize its effectiveness. Improper tension and alignment can shorten its life and place undue stress on the drive system and the chain itself. Incorrect tension can also lead to slippage and increased energy output. Therefore, you should calculate the tension and alignment of the chain during the initial installation. Check and adjust regularly.
Another way to extend the life of your rollers is to thoroughly clean the inside and outside of the rollers. You should also lubricate it frequently to prevent excessive heat buildup. Designed to prevent overheating by limiting the amount of work during break-ins. Additionally, regular inspections will help you catch anomalies early enough to stop operations. Last but not least, regular lubrication will prolong the life of the roller chain.
Cost
Buying a roller chain is a big decision, but initial cost shouldn’t be the only consideration. The cost of the roller chain itself, as well as the running costs, should be considered. Even the lowest-priced chains can be more expensive in the long run. Additionally, maintenance and energy costs may increase. The best roller chain for your business will be the one that best suits your needs. Listed below are some considerations to consider when purchasing a roller chain.
First, what material should you use? Roller chains come in many different materials. Stainless steel is a commonly used material in construction. Materials are selected based on the cost and design of chain horsepower transmission. Various manufacturing processes will determine which material is suitable for your application. Also, the weight of the chain will vary depending on its pitch and the construction technique used. A large part of the cost of a roller chain is on the drive sprocket.
Another consideration is installation cost. Roller chains are commonly used in agricultural and transportation applications, especially for agronomic products. If lubrication is your concern, maintenance-free chains are the best choice. Corrosion-resistant chains are ideal for wet environments. They are sold in boxed lengths, so replacing a longer length requires adding a shorter length. To avoid trouble, use the skateboard to help connect the links.
Another consideration is the overall width. The overall width of an open #40 roller chain may vary but should be at least 10 feet wide. Although it is not the most expensive type of roller chain, it will last longer. Using it correctly will increase its overall longevity, so it’s a good idea to choose it wisely. If your business uses roller chains regularly, the cost reduction is well worth it.
Application
A roller chain consists of a pair of alternating pins and roller links. The pins are pressed into the side panels and hinged to the rollers. Roller chains can be single or multi-strand, connected by a common pin. The multi-strand design provides higher shear strength for demanding power transmission applications. Typical applications for roller chains include conveyors, hoists, and other mechanical equipment.
The horsepower capability of a roller chain is limited by several factors, including pin shock and friction. While research into these factors has placed some limits on the maximum operating speed of the roller chain, practical experience has shown that these systems can be used at higher speeds. Proper lubrication and cooling can increase the durability of these chains. In addition, roller chain applications include:
Drive and conveyor systems are the two main uses of roller chains. During driving operations, wear and elongation are a natural part of the operation. However, lubrication plays a vital role in minimizing wear and shock loads. Therefore, wear is inevitable and special care must be taken to ensure proper lubrication. Additionally, lubrication reduces heat dissipation in the chain.
The materials used to make roller chains vary from one type to another. Stainless steel is common, but nylon or brass are sometimes used. These materials are less expensive and more durable than steel or stainless steel. The best material for the job depends on a variety of factors, including cost, environmental conditions, and design horsepower transmission. For example, the pin bushing contact area is a critical area requiring lubrication. Additionally, some coatings are designed to retard the corrosive effects of water or oil.
editor by Cx 2023-06-29