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.
| ISO NO. |
ANSI NO. |
PITCH | ROLLER LINK WIDTH |
ROLLER DIA |
PIN | PLATE | MIN. TENSILE STRENGTH |
AVG. TENSILE STRENGTH |
MAX. ALLOWABLE LOAD |
Pt | |||
| P | W | D | d | Lc | L | T | H | ||||||
| mm | mm | mm | mm | mm | mm | mm | mm | kgf | kgf | kgf | mm | ||
| 08AH | 40H | 12.700 | 7.850 | 7.850 | 3.980 | 19.000 | 20.100 | 12.00 | 2.00 | 1,700 | 2,100 | 400 | NIL |
| 10AH | 50H | 15.875 | 9.400 | 9.400 | 5.090 | 21.800 | 23.700 | 15.00 | 2.40 | 2,670 | 3,300 | 670 | NIL |
| 12AH | 60H | 19.050 | 12.580 | 12.580 | 5.960 | 30.200 | 34.800 | 18.00 | 3.20 | 3,830 | 4,550 | 980 | NIL |
| 16AH | 80H | 25.400 | 15.750 | 15.750 | 7.940 | 37.400 | 42.800 | 24.10 | 4.00 | 8,000 | 9,400 | 1,700 | NIL |
| 20AH | 100H | 31.750 | 18.900 | 18.900 | 9.540 | 44.500 | 50.600 | 30.10 | 4.80 | 10,650 | 13,700 | 2,500 | NIL |
| 24AH | 120H | 38.100 | 25.230 | 25.230 | 11.110 | 55.000 | 61.600 | 36.20 | 5.60 | 15,320 | 19,000 | 3,350 | NIL |
| 28AH | 140H | 44.450 | 25.230 | 25.230 | 12.710 | 59.000 | 66.400 | 42.20 | 6.40 | 20,850 | 23,000 | 4,400 | NIL |
| 32AH | 160H | 50.800 | 31.550 | 31.550 | 14.290 | 69.400 | 77.300 | 48.20 | 7.10 | 27,240 | 31,000 | 5,750 | NIL |
| 36AH | 180H | 57.150 | 35.490 | 35.490 | 17.460 | 77.300 | 86.400 | 54.30 | 7.90 | 30,040 | 34,500 | 6,600 | NIL |
| 40AH | 200H | 63.500 | 37.850 | 37.850 | 19.850 | 87.100 | 97.300 | 60.30 | 9.50 | 42,550 | 59,000 | 7,750 | NIL |
| 48AH | 240H | 76.200 | 47.350 | 47.350 | 23.810 | 111.400 | 121.900 | 72.40 | 12.70 | 63,730 | 71,000 | 10,500 | NIL |
| 12AH-2 | 60H-2 | 19.050 | 12.580 | 12.580 | 5.960 | 56.300 | 60.900 | 18.00 | 3.20 | 7,660 | 9,300 | 1,650 | 26.11 |
| 16AH-2 | 80H-2 | 25.400 | 16.760 | 15.750 | 7.940 | 70.000 | 75.400 | 24.10 | 4.00 | 16,000 | 18,800 | 2,800 | 32.59 |
| 20AH-2 | 100H-2 | 31.750 | 18.900 | 18.900 | 9.540 | 83.600 | 89.700 | 30.10 | 4.80 | 21,300 | 27,400 | 4,250 | 39.09 |
| 24AH-2 | 120H-2 | 38.100 | 25.230 | 25.230 | 11.110 | 103.900 | 110.500 | 36.20 | 5.60 | 30,640 | 38,000 | 5,650 | 48.87 |
| 28AH-2 | 140H-2 | 44.450 | 25.230 | 25.230 | 12.710 | 111.200 | 118.600 | 42.20 | 6.40 | 41,700 | 45,000 | 7,400 | 52.20 |
| 32AH-2 | 160H-2 | 50.800 | 31.550 | 31.550 | 14.290 | 131.300 | 139.200 | 48.20 | 7.10 | 54,480 | 62,000 | 9,600 | 61.90 |
| 36AH-2 | 180H-2 | 57.150 | 35.490 | 35.490 | 14.760 | 146.500 | 155.600 | 54.30 | 7.90 | 60,080 | 69,000 | 11,000 | 69.16 |
| 40AH-2 | 200H-2 | 53.500 | 37.850 | 37.850 | 19.860 | 165.400 | 175.600 | 60.30 | 9.50 | 85,100 | 98,000 | 12,850 | 78.31 |
| 48AH-2 | 240H-2 | 76.200 | 47.350 | 47.350 | 23.810 | 212.600 | 223.100 | 72.40 | 12.70 | 127,460 | 142,000 | 17,700 | 101.22 |
| Usage: | Transmission Chain, Conveyor Chain, Heavy Type Short Pitch Roller Chain |
|---|---|
| Material: | Alloy/Carbon Steel |
| Surface Treatment: | Polishing |
| Feature: | Heat Resistant |
| Chain Size: | 1/2"*3" |
| Structure: | Roller Chain |
| Samples: |
US$ 10/Meter
1 Meter(Min.Order) | |
|---|
| 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.
Can roller chains be used in underwater applications?
Roller chains are not typically recommended for direct use in underwater applications due to the potential for corrosion and water ingress. However, with appropriate modifications and additional protective measures, roller chains can be adapted for certain underwater applications. Here’s a detailed answer to the question:
1. Corrosion Resistance: In underwater environments, corrosion is a significant concern. Roller chains can be manufactured from corrosion-resistant materials such as stainless steel or coated with anti-corrosion treatments to mitigate the effects of exposure to water and moisture.
2. Sealing and Waterproofing: Special seals, O-rings, or protective covers can be installed to prevent water ingress into the chain’s internal components. These seals help to maintain lubrication and protect against corrosion, ensuring reliable operation even in wet conditions.
3. Lubrication Selection: Choosing the appropriate lubricant is crucial for underwater applications. Lubricants with excellent water resistance and corrosion protection properties should be selected to provide long-lasting lubrication in the submerged environment.
4. Maintenance and Inspection: Regular maintenance and inspection are essential to monitor the condition of the roller chain in underwater applications. This includes checking for signs of corrosion, lubricant degradation, or seal damage. Prompt replacement of worn or damaged components is necessary to prevent chain failure and ensure optimal performance.
It’s important to consult with experts or manufacturers experienced in underwater applications to determine the suitability of roller chains for specific underwater environments. They can provide guidance on the necessary modifications, materials, and maintenance practices to ensure the safe and reliable operation of roller chains in such conditions.
Can roller chains be used in corrosive environments?
Roller chains can be used in certain corrosive environments, but it depends on the specific conditions and the type of roller chain used. Here’s a detailed answer to the question:
In general, standard roller chains are not suitable for prolonged exposure to corrosive environments, as they are typically made from carbon steel and are vulnerable to corrosion. However, there are specialized roller chains available that are specifically designed to withstand corrosive conditions. These chains are typically made from corrosion-resistant materials such as stainless steel or nickel-plated steel.
Corrosion-resistant roller chains offer several advantages:
1. Enhanced Corrosion Resistance: The use of corrosion-resistant materials provides excellent resistance to rust, oxidation, and chemical corrosion. This makes them suitable for applications where the chain is exposed to moisture, chemicals, or other corrosive agents.
2. Extended Lifespan: Corrosion-resistant roller chains have a longer service life compared to standard chains in corrosive environments. The resistance to corrosion helps maintain the chain’s structural integrity and prevents premature wear or failure.
3. Reduced Downtime and Maintenance: By using corrosion-resistant roller chains, maintenance and downtime due to chain corrosion are minimized. These chains require less frequent lubrication and are less prone to seizing or becoming stuck due to corrosion, resulting in reduced maintenance and increased operational efficiency.
However, it’s important to note that even corrosion-resistant roller chains have limitations. The level of corrosion resistance can vary depending on the specific material and environmental factors. In highly aggressive or extreme corrosive environments, additional protective measures such as specialized coatings or sealants may be necessary.
Before selecting a roller chain for a corrosive environment, it is essential to consider the severity of the corrosion, temperature, chemical exposure, and other environmental factors. Consulting with a knowledgeable supplier or engineer can help determine the most suitable chain material and design for the specific application.
editor by CX 2023-10-08