Product Description

coupling No.

Chain No.

D Bore Dia Dimension Inertia



Approx Weight


Min mm Max mm L








Dimension Approx Weight


KC-6571 60-2X22 20 71 123.5 56.0 11.5 110 152 22.8 93.450 10.4 168 117 1.8

Chain couplings

The  Chain coupling is composed of a duplex roller chain and a pair of coupling sprockets. The function of connection and detachment is done by the joint of chain. It has the characteristic of compact and powerful, excellent durability, safe and smart, simple installation and easy alignment. The Xihu (West Lake) Dis.hua Chain coupling is suitable for a wide range of coupling applications.

Roller chain( Coupling Chains)

Though Hans Renold is credited with inventing the roller chain in 1880, sketches by Leonardo da Vinci in the 16th century show a chain with a roller bearing.Coupling chains)Coupling chains

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[1] means of power transmission.

Chain No. Pitch



Roller diameter


Width between inner plates
Pin diameter


Pin length Inner plate depth
Plate thickness


Transverse pitch
Tensile strength


Average tensile strength
Weight per piece
4012 12.7-0-0. 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

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mechanical coupling

Comparing mechanical couplings with other types of couplings in performance.

Mechanical couplings are an essential component in power transmission systems, and they are often compared with other types of couplings based on their performance characteristics. Let’s explore how mechanical couplings compare with some other common coupling types:

1. Mechanical Couplings vs. Fluid Couplings:

Fluid couplings use hydraulic fluid to transmit torque between the input and output shafts. They offer smooth torque transmission and can act as a torque limiter, protecting the connected equipment from overloads. However, they have some energy losses due to fluid turbulence, which slightly reduces their efficiency compared to mechanical couplings. Mechanical couplings, on the other hand, provide direct and efficient torque transmission without any energy losses due to fluid friction.

2. Mechanical Couplings vs. Magnetic Couplings:

Magnetic couplings use magnetic fields to transfer torque from one shaft to another. They are commonly used in applications where a hermetic seal is required, such as in pumps and mixers. Magnetic couplings have the advantage of being completely leak-proof, unlike mechanical couplings that may require seals in certain applications. However, magnetic couplings have a lower torque capacity compared to many mechanical couplings, and their efficiency can be affected by variations in magnetic field strength and alignment.

3. Mechanical Couplings vs. Hydraulic Couplings:

Hydraulic couplings use hydraulic fluid to transmit torque. They offer high torque capacity and the ability to slip during overloads, acting as a safety feature. However, hydraulic couplings can have energy losses due to fluid friction, making them slightly less efficient than mechanical couplings. Mechanical couplings do not have energy losses related to fluid friction and provide direct torque transmission, making them more efficient in this regard.

4. Mechanical Couplings vs. Electrical Couplings:

Electrical couplings use electromagnetic fields to transfer torque. They are commonly used in high-precision and high-speed applications, such as robotics and aerospace systems. Electrical couplings can have high torque capacity and precise control over torque transmission. However, they require electrical power to function, which may not be suitable for all applications. Mechanical couplings are self-contained and do not require additional power sources, making them more suitable for various types of machinery and equipment.

5. Mechanical Couplings vs. Friction Couplings:

Friction couplings use friction between contacting surfaces to transmit torque. They are simple in design and can slip during overloads, providing protection against excessive loads. However, friction couplings can experience wear and require periodic maintenance. Mechanical couplings, depending on their type, may have a more robust design and may not experience as much wear under normal operating conditions.

In summary, mechanical couplings offer direct and efficient torque transmission without energy losses related to fluid friction or magnetic fields. While other coupling types may have specific advantages in certain applications, mechanical couplings remain a versatile and widely used choice in various industries due to their reliability, simplicity, and ease of maintenance.

“`mechanical coupling

Explaining the impact of mechanical coupling wear on system efficiency.

Mechanical coupling wear can have a significant impact on the efficiency and performance of a mechanical system. As couplings wear over time, several factors come into play that affect the overall efficiency of the system:

1. Loss of Torque Transmission:

As couplings wear, they may develop gaps or play between the mating components. This can result in a loss of torque transmission between the connected shafts. Reduced torque transmission leads to diminished power transfer and can result in inadequate performance of the system, especially in high-torque applications.

2. Misalignment Issues:

Worn couplings may not effectively compensate for misalignments between the connected shafts. Misalignment can cause additional stress on bearings, gears, and other components, leading to increased wear and reduced system efficiency. It can also result in increased vibration and noise, further impacting the system’s performance.

3. Vibration and Resonance:

Wear in flexible couplings can lead to increased vibration and resonance within the system. Excessive vibrations can cause premature failure of components and reduce the overall system efficiency. Vibrations can also create a safety hazard for operators and equipment.

4. Energy Losses:

Worn couplings may introduce energy losses due to friction and slippage. These losses decrease the overall efficiency of the system and result in additional energy consumption to achieve the desired output.

5. Increased Maintenance Costs:

As couplings wear, they may require more frequent maintenance and replacement. The increased downtime for maintenance and the cost of replacing worn couplings can impact the system’s productivity and increase operational expenses.

6. Reduced System Reliability:

Worn couplings are more prone to sudden failures, leading to unplanned downtime. Unreliable systems can disrupt production schedules, affect product quality, and result in lost revenue.

7. Safety Concerns:

Worn couplings can compromise the safety of personnel and equipment. They may lead to unexpected failures, flying debris, or even catastrophic accidents in severe cases.

8. Impact on Product Quality:

In certain industries, like precision manufacturing or aerospace, system efficiency directly affects product quality. Worn couplings can cause inaccuracies, leading to subpar products and potential rework or rejection.

To maintain optimal system efficiency and prevent these issues, it is crucial to perform regular inspections and maintenance of mechanical couplings. Timely replacement of worn couplings and adherence to manufacturer’s guidelines for installation and maintenance can significantly contribute to the overall efficiency, reliability, and safety of the mechanical system.

“`mechanical coupling

What is a mechanical coupling and its significance in engineering applications?

A mechanical coupling is a device used to connect two rotating shafts or components in a mechanical system to transmit torque and motion between them. It plays a crucial role in various engineering applications by providing a reliable and efficient means of power transmission. The significance of mechanical couplings in engineering applications can be understood through the following points:

1. Torque Transmission:

One of the primary functions of a mechanical coupling is to transmit torque from one shaft to another. This allows for the transfer of power between different components of a machine or system.

2. Misalignment Compensation:

Mechanical couplings can accommodate certain degrees of misalignment between connected shafts. This is crucial in real-world applications where perfect alignment may not always be achievable or maintained due to various factors.

3. Vibration Damping:

Some mechanical couplings, especially flexible couplings, help dampen vibrations caused by imbalances or load fluctuations. This feature prevents excessive wear on components and improves the overall stability and performance of the system.

4. Shock Absorption:

In systems subject to sudden shocks or impacts, mechanical couplings with certain flexibility can absorb and dissipate the energy, protecting the connected equipment from damage.

5. Load Distribution:

By connecting two shafts, a mechanical coupling can evenly distribute the load between them. This ensures that both shafts share the torque and forces, preventing premature wear on a single shaft.

6. Versatility:

Mechanical couplings come in various types and designs, each tailored to specific applications. This versatility allows engineers to choose the most suitable coupling based on factors such as load requirements, speed, misalignment tolerance, and environmental conditions.

7. Maintenance and Repair:

In engineering applications, mechanical couplings are generally modular and easy to replace, simplifying maintenance and repair tasks. This helps reduce downtime and improves the overall efficiency of the system.

8. Reducing Overload:

In scenarios where the connected components experience overload or excessive torque, certain types of mechanical couplings can act as a safety feature by slipping or disengaging before damage occurs, protecting the system from catastrophic failure.

Overall, mechanical couplings are essential components in various engineering applications, including industrial machinery, automotive systems, power transmission, robotics, and many others. Their ability to reliably connect rotating shafts, transmit torque, and compensate for misalignment contributes significantly to the smooth and efficient operation of mechanical systems.

China OEM Steel Shaft Kc Chains Coupling for Mechanical Kc6018 Kc6020 Kc6022  China OEM Steel Shaft Kc Chains Coupling for Mechanical Kc6018 Kc6020 Kc6022
editor by CX 2024-05-06