Product Description
Flexible.
Compact size has powerful transmission capacity.
Metal-built.
Easy-mount-and-demount.
| MODEL NO. |
BORE DIA | D | DH | L | I | S | MAX. TORQUE |
WEIGHT | SHELL | |||
| MIN. | MAX. | A | B | WEIGHT | ||||||||
| mm | mm | mm | mm | mm | mm | mm | kN.m | kg | kg | |||
| CHC3812 | 9.50 | 16.00 | 45.00 | 25.00 | 64.90 | 30.00 | 4.90 | 0.249 | 0.3 | 61.00 | 57.00 | 0.1 |
| CHC4012 | 11.00 | 22.00 | 61.00 | 35.00 | 79.40 | 36.00 | 7.40 | 0.329 | 0.8 | 75.00 | 75.00 | 0.2 |
| CHC4016 | 15.00 | 30.00 | 77.00 | 50.00 | 79.40 | 36.00 | 7.40 | 0.419 | 1.4 | 92.00 | 75.00 | 0.3 |
| CHC5016 | 15.00 | 38.00 | 96.00 | 60.00 | 99.70 | 45.00 | 9.70 | 0.791 | 2.6 | 111.00 | 85.00 | 0.6 |
| CHC5018 | 19.00 | 45.00 | 106.00 | 70.00 | 99.70 | 45.00 | 9.70 | 0.979 | 3.5 | 123.00 | 85.00 | 0.8 |
| CHC6018 | 22.00 | 55.00 | 127.00 | 85.00 | 119.50 | 54.00 | 11.50 | 1.810 | 6.0 | 142.00 | 106.00 | 1.2 |
| CHC6571 | 25.00 | 75.00 | 151.00 | 110.00 | 119.50 | 54.00 | 11.50 | 2.610 | 9.5 | 167.00 | 106.00 | 1.6 |
| CHC8018 | 30.00 | 78.00 | 169.00 | 115.00 | 149.20 | 67.00 | 15.20 | 3.920 | 14.0 | 186.00 | 130.00 | 2.5 |
| CHC8571 | 35.00 | 95.00 | 202.00 | 140.00 | 146.20 | 67.00 | 15.20 | 5.640 | 20.0 | 220.00 | 130.00 | 2.7 |
| CHC1571 | 38.00 | 110.00 | 232.00 | 160.00 | 200.80 | 91.00 | 18.80 | 8.400 | 34.0 | 248.00 | 144.00 | 3.0 |
| CHC12018 | 48.00 | 120.00 | 254.00 | 170.00 | 260.80 | 119.00 | 22.80 | 12.700 | 50.0 | 309.00 | 185.00 | 7.2 |
| CHC12571 | 58.00 | 150.00 | 302.00 | 210.00 | 260.80 | 119.00 | 22.80 | 18.300 | 65.0 | 357.00 | 185.00 | 9.0 |
| CHC16018 | 68.00 | 160.00 | 341.00 | 220.00 | 360.10 | 165.00 | 30.10 | 26.400 | 122.0 | 402.00 | 240.00 | 9.6 |
| CHC16571 | 78.00 | 200.00 | 405.00 | 280.00 | 360.10 | 165.00 | 30.10 | 38.100 | 185.0 | 466.00 | 240.00 | 16.3 |
| CHC20018 | 88.00 | 205.00 | 424.00 | 295.00 | 519.60 | 241.00 | 37.60 | 54.100 | 288.0 | 490.00 | 270.00 | 19.0 |
| CHC20571 | 98.00 | 260.00 | 505.00 | 375.00 | 519.60 | 241.00 | 37.60 | 77.800 | 334.0 | 570.00 | 270.00 | 25.0 |
Comparison of Roller Chain Couplings to Other Coupling Types
Roller chain couplings offer distinct advantages and characteristics that set them apart from other coupling types, such as gear or disc couplings. Below is a comparison of roller chain couplings with these two commonly used coupling types:
- Roller Chain Couplings:
– Roller chain couplings are flexible and can accommodate misalignments, making them ideal for applications where shafts may not be perfectly aligned.
– They offer good shock absorption, which is beneficial in systems with varying loads or frequent starts and stops.
– Roller chain couplings are relatively compact and lightweight compared to other couplings, making them suitable for space-constrained installations.
– These couplings are cost-effective and provide a reliable and efficient power transmission solution.
- Gear Couplings:
– Gear couplings are capable of handling high torque and can transmit power efficiently, making them suitable for heavy-duty applications.
– They have a high level of torsional rigidity, ensuring accurate torque transmission without backlash.
– Gear couplings are generally more expensive than roller chain couplings.
– They require accurate alignment during installation, which can be challenging in some applications.
- Disc Couplings:
– Disc couplings offer high torque capacity and torsional stiffness, providing precise torque transmission and no backlash.
– They have a compact design and are often used in applications with limited space.
– Disc couplings can handle misalignment to some extent but may not be as forgiving as roller chain couplings.
– They are generally more expensive than roller chain couplings.
When choosing the appropriate coupling type, it is essential to consider the specific requirements of the application, such as torque, misalignment, speed, space limitations, and budget constraints. Each coupling type has its strengths, and the selection should be based on the demands of the mechanical power transmission system.
Maintenance Requirements for Roller Chain Couplings
To ensure the optimal performance and longevity of roller chain couplings, regular maintenance is essential. Here are some key maintenance requirements:
- Lubrication: Regularly lubricate the roller chain and sprockets to reduce friction and wear. Use the appropriate lubricant recommended by the coupling manufacturer.
- Inspections: Periodically inspect the coupling for signs of wear, misalignment, or damage. Look for elongation or wear of the roller chain, damaged sprocket teeth, or any signs of excessive vibration.
- Tightening: Check and ensure that all fasteners, such as bolts and set screws, are properly tightened to the manufacturer’s recommended torque specifications.
- Alignment: Maintain proper alignment between the driving and driven shafts to prevent undue stress on the coupling components.
- Cleanliness: Keep the coupling and surrounding area clean and free from debris or contaminants that could interfere with its operation.
- Temperature: Avoid operating the coupling beyond its recommended temperature limits, as excessive heat can lead to premature failure.
- Replacement: Replace any worn or damaged components promptly to prevent further damage to the coupling or connected equipment.
Regular maintenance not only ensures the coupling’s optimal performance but also helps identify potential issues early, allowing for timely repairs or replacements. It is crucial to follow the manufacturer’s maintenance guidelines and schedule to ensure the coupling’s reliability and prevent unexpected failures that could disrupt operations and lead to costly downtime.
What is a Roller Chain Coupling and How Does It Function in Mechanical Power Transmission?
A roller chain coupling is a type of flexible coupling used in mechanical power transmission systems to connect two shafts and transmit torque between them. It consists of two sprockets, one on each shaft, and a roller chain that meshes with the sprockets.
The functioning of a roller chain coupling is as follows:
- Connection: The roller chain coupling is installed by placing the two sprockets on the respective shafts. The sprockets are positioned facing each other.
- Meshing: The roller chain is then looped around the sprockets, and its pins engage with the teeth of the sprockets.
- Power Transmission: When one shaft rotates, the roller chain transfers the rotational motion to the other shaft through the meshing of the chain with the sprockets.
- Torque Transfer: The torque is transmitted from one shaft to the other via the roller chain. This allows the two shafts to rotate together, providing a flexible and efficient power transmission connection.
Roller chain couplings are known for their reliability, simplicity, and ability to handle high torque loads. They are widely used in various industrial applications, including conveyor systems, pumps, mixers, and other equipment that require reliable torque transmission.
editor by CX 2023-09-04