Product Description
CHINAMFG rollers enhance rotation on the bushing while reducing impact loads on the sprocket tooth during operation.
All components are heat treated to achieve maximum strength. All components are heat treated to achieve maximum strength.
Pre-loaded during the manufacturing process to minimize initial elongation.
Hot dipped lubrication ensures 100% lubrication of all chain components to extend wear life and reduce maintenance costs.
| CHC NO. |
PITCH | BUSH WIDTH |
ROLLER DIA |
PIN | PLATE | MIN. STRENGTH |
AVG. STRENGTH |
MAX. STRENGTH |
TRANS PITCH |
|||
| d | L | LC | H | T | ||||||||
| mm | mm | mm | mm | mm | mm | mm | mm | kgf | kgf | kgf | mm | |
| C35-1 | 9.525 | 4.68 | 5.08 | 3.60 | 12.15 | 13.40 | 8.80 | 1.25 | 800 | 1,100 | 220 | NIL |
| C40-1 | 12.700 | 7.85 | 7.92 | 3.98 | 17.80 | 21.00 | 12.00 | 1.50 | 1,420 | 1,950 | 370 | NIL |
| C50-1 | 15.875 | 9.40 | 10.16 | 5.09 | 21.80 | 25.00 | 15.00 | 2.00 | 2,200 | 3,100 | 650 | NIL |
| C60-1 | 19.050 | 12.58 | 11.91 | 5.96 | 26.90 | 31.00 | 18.00 | 2.35 | 3,190 | 4,200 | 920 | NIL |
| C80-1 | 25.400 | 15.75 | 15.87 | 7.94 | 33.50 | 38.00 | 24.10 | 3.20 | 5,680 | 7,500 | 1,500 | NIL |
| C100-1 | 31.750 | 18.90 | 19.05 | 9.54 | 41.10 | 47.00 | 30.10 | 4.00 | 8,870 | 12,100 | 2,300 | NIL |
| C120-1 | 38.100 | 25.23 | 22.22 | 11.11 | 50.80 | 57.00 | 36.20 | 4.70 | 12,770 | 16,000 | 3,100 | NIL |
| C140-1 | 44.450 | 25.23 | 25.40 | 12.71 | 54.90 | 62.00 | 42.20 | 5.50 | 17,380 | 21,000 | 4,100 | NIL |
| C160-1 | 50.800 | 31.55 | 25.87 | 14.29 | 65.50 | 73.00 | 48.20 | 6.40 | 22,700 | 30,000 | 5,400 | NIL |
| C40-2 | 12.700 | 7.85 | 7.92 | 3.98 | 32.30 | 36.20 | 12.00 | 1.50 | 2,840 | 3,900 | 630 | 14.38 |
| C50-2 | 15.875 | 9.40 | 10.16 | 5.09 | 39.90 | 44.00 | 15.00 | 2.00 | 4,440 | 6,200 | 1,100 | 18.11 |
| C60-2 | 19.050 | 12.58 | 11.92 | 5.96 | 49.80 | 54.40 | 18.00 | 2.35 | 6,380 | 8,400 | 1,530 | 22.78 |
| C80-2 | 25.400 | 15.75 | 15.87 | 7.94 | 62.70 | 68.10 | 24.10 | 3.20 | 11,360 | 15,000 | 2,550 | 29.29 |
| C100-2 | 31.750 | 18.90 | 19.05 | 9.54 | 77.00 | 83.10 | 30.10 | 4.00 | 17,740 | 24,200 | 3,900 | 35.76 |
| C120-2 | 38.100 | 25.23 | 22.22 | 11.11 | 96.30 | 102.90 | 36.20 | 4.70 | 25,540 | 32,000 | 5,250 | 45.44 |
| C140-2 | 44.450 | 25.23 | 25.40 | 12.71 | 103.60 | 111.00 | 42.20 | 5.50 | 347,600 | 42,000 | 6,970 | 48.87 |
| C160-2 | 50.800 | 31.55 | 28.57 | 14.29 | 124.20 | 132.10 | 48.20 | 6.40 | 57,460 | 60,000 | 9,150 | 58.55 |
| Usage: | Transmission Chain, Conveyor Chain, Roller Chain |
|---|---|
| Material: | Alloy/Carbon Steel |
| Surface Treatment: | Polishing |
| Feature: | Heat Resistant |
| Chain Size: | 3/8"*2" |
| Structure: | Roller Chain |
| Customization: |
Available
| Customized Request |
|---|
What are the factors that affect roller chain lifespan?
The lifespan of a roller chain can be influenced by several factors. Here’s a detailed answer to the question:
1. Load Capacity: The load capacity of a roller chain refers to its ability to handle the applied load without experiencing excessive stress or deformation. Using a roller chain that is properly sized and rated for the specific application’s load requirements is crucial for ensuring a longer lifespan.
2. Lubrication: Proper lubrication is essential for reducing friction and wear in a roller chain. Insufficient lubrication can lead to increased friction, heat generation, and accelerated wear. On the other hand, over-lubrication can attract contaminants and contribute to chain wear. Regular and proper lubrication based on the manufacturer’s recommendations is necessary to maximize chain lifespan.
3. Alignment: Proper alignment between the sprockets and the roller chain is critical for smooth operation and reduced wear. Misalignment can cause the chain to rub against the sprocket teeth, leading to increased friction and premature wear. Regular inspection and adjustment of the sprocket alignment can help extend the chain’s lifespan.
4. Environmental Conditions: The operating environment can have a significant impact on the lifespan of a roller chain. Factors such as temperature extremes, moisture, dust, chemicals, and abrasive contaminants can accelerate wear and corrosion. Using appropriate chain coatings, seals, and regular cleaning can help protect the chain and extend its lifespan.
5. Maintenance: Regular maintenance practices, including inspection, lubrication, and adjustment, are crucial for maximizing the lifespan of a roller chain. Periodic inspection for wear, damaged links, or other issues allows for timely replacement or repair, preventing further damage and potential chain failure.
6. Material Quality: The quality of the roller chain material affects its durability and resistance to wear. High-quality materials, such as alloy steel, with proper heat treatment and surface hardening, can enhance the chain’s strength and resistance to fatigue and wear.
7. Operational Conditions: The operating conditions, including speed, shock loads, and cycle frequency, can impact the chain’s lifespan. Excessive speeds, sudden changes in loads, or frequent starts and stops can put additional stress on the chain, leading to accelerated wear and potential failure.
By considering these factors and implementing proper maintenance and operating practices, the lifespan of a roller chain can be optimized, ensuring reliable and efficient performance over an extended period.
How do roller chains handle static loads?
Roller chains are primarily designed for transmitting power and handling dynamic loads, which involve motion and varying forces. However, roller chains can also handle static loads to some extent. Here’s a detailed answer to the question:
1. Load Distribution: When a roller chain is subjected to static loads, the weight or force is evenly distributed across multiple rollers and pins. This helps to distribute the load more effectively and reduces stress concentrations on individual components. The load is transferred from one roller to another through the pins, ensuring a more balanced distribution.
2. Stiffness: Roller chains possess a certain degree of stiffness that enables them to resist static loads. The rigid construction of the chain, including the link plates and pins, helps maintain the integrity of the chain under static conditions. This stiffness allows the chain to support the applied load without excessive elongation or deformation.
3. Lubrication: Proper lubrication is essential for roller chains to handle static loads effectively. Lubrication helps reduce friction and wear, which can occur even under static conditions due to the weight of the load. Adequate lubrication ensures smooth movement of the chain and minimizes the risk of surface damage or increased friction during load-bearing.
4. Chain Preload: In some cases, applying a pre-load or initial tension to the roller chain can help improve its ability to handle static loads. The pre-load helps to eliminate any slack or looseness in the chain, enhancing its rigidity and reducing the potential for excessive elongation or misalignment when subjected to static forces.
While roller chains can handle static loads, it’s important to note that they are primarily designed for dynamic applications involving motion. Excessive static loads or prolonged exposure to static conditions may lead to increased wear, elongation, or deformation of the chain. In scenarios where the majority of the load is static, alternative power transmission systems or load-bearing mechanisms may be more suitable.
What are some common causes of roller chain failure?
Roller chain failure can occur due to various factors. Here’s a detailed answer to the question:
1. Insufficient Lubrication: One of the primary causes of roller chain failure is inadequate lubrication. Insufficient lubrication leads to increased friction, heat generation, and wear between the chain’s components, such as pins, bushings, and rollers. Over time, this can cause the chain to seize up, deform, or break.
2. Contamination: Contamination of the roller chain with dirt, dust, debris, or foreign particles can accelerate wear and increase the risk of failure. These contaminants can penetrate the chain’s joints, causing abrasive action and reducing the effectiveness of lubrication. Contamination can also cause corrosion, leading to weakened chain links.
3. Misalignment: Improper alignment of the sprockets and other drivetrain components can cause excessive side loading, uneven wear, and accelerated fatigue on the roller chain. Misalignment can result from improper installation, worn sprockets, or misaligned shafts, and it can lead to premature chain failure.
4. Overloading: Subjecting the roller chain to loads beyond its rated capacity can cause stress and fatigue, leading to chain failure. Overloading can occur due to improper application design, sudden shock loads, or continuous operation near or beyond the chain’s maximum load limit.
5. Wear and Fatigue: Over time, roller chains experience wear and fatigue due to normal usage. As the chain articulates around the sprockets, the pins, bushings, and rollers undergo cyclic stress, which can lead to wear, elongation, and eventually chain failure if not addressed through regular maintenance and replacement.
6. Corrosion: Exposure to corrosive environments, such as high humidity, chemicals, or saltwater, can cause corrosion on the roller chain. Corrosion weakens the chain’s structural integrity, leading to reduced load-carrying capacity and increased susceptibility to failure.
Proper maintenance, including regular lubrication, cleaning, inspection for wear and alignment, and avoiding overloading or exposure to harsh environments, is crucial to prevent roller chain failure. Timely replacement of worn or damaged chains and addressing any underlying issues that contribute to chain failure is essential for ensuring the reliable and safe operation of machinery or equipment.
editor by CX 2023-09-20