China Professional Flexible Chain Coupling for Heavy Equipment

Product Description

Coupling, made by machining, heat treatment, quenching + tempering and superficial treatment, brunofix.
Types: Roller chain couplings, HRC flexible coupling, L-coupling, EL-coupling

Chain coupling composed of 2 Sprockets, Double Strand Roller Chain, 2 cases.

Roller Chain couplings are capable of transmitting relatively high torques in a minimum of space.

Roller Chain Couplings are used to connect 2 shafts, a reducer, or a motor directly to a machine for efficient power transmissions. Construction is simple, it consist of a combination of only 3 basic parts; One coupling roller chain and 2 coupling sprockets.

Size:3012,4012,4014,4016, 5014,5016,5018,6018,6571,6571
8018,8571,8571, 1571,12018,12571
16018,16571 20018,20571,24571,24026

The roller chain coupling is a flexible coupling of amazingly simple construction. It consists of a combination of 1 coupling chain and a pair of coupling sprockets. Flexible and strong, the  roller chain coupling is suitable for a wide range of coupling applications.
     Roller chain coupling can used for the environment which with high temperature, wet and dirty conditions. It is not suitable for the occasion which is in high speed and with strong impact load. Roller chain coupling should working with excellent lubrication and protection cover conditions. 
The common chain coupling includes double roller chain coupling, single row roller chain coupling, tooth shape chain coupling, nylon chain coupling. Its scale is compact and its weight is light. But roller chain coupling don’t have high requirement to installation precision. 
     Generally speaking, it is usually in long service life. Production line equipment for various kinds of frozen food and dehydrated vegetables should transport by stainless steel chain. Roller chains are widely applied to household, industrial and agricultural machinery, includes conveyor, drawing machine, printing machine, automobile, motorcycle and bicycle.

Main Features
1.Simple structure,easy assembly and disassembly.
2.Light weight,and long service life.
3.Have a certain ability to compensate for installation less precision.
4.Suitable for high temperature,wet and dusty industrial environment.
5.Can not for high speed,violent vibration.
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chain coupling

Can chain couplings transmit both torque and linear motion?

No, chain couplings are primarily designed to transmit torque between rotating shafts and are not intended for transmitting linear motion. The main function of a chain coupling is to connect two shafts in order to transfer rotational power from one shaft to another.

Chain couplings achieve torque transmission through the engagement of the roller chain with the sprockets on the connected shafts. As the driving sprocket rotates, it imparts rotational motion to the chain, which in turn rotates the driven sprocket connected to the other shaft. This mechanism allows the torque to be transmitted from one shaft to the other.

However, chain couplings do not provide a means for converting or transmitting linear motion. They are not designed to handle axial displacement or linear forces. Attempting to use a chain coupling for transmitting linear motion would result in inefficient and unreliable operation, as the coupling is not designed to handle the specific requirements and forces associated with linear motion.

For applications that require the transmission of linear motion, there are other types of couplings specifically designed for this purpose. Examples include rack and pinion systems, linear couplings, or specialized linear motion couplings that incorporate mechanisms such as ball screws or lead screws. These couplings are designed to convert rotary motion into linear motion or to transmit linear forces directly.

It is important to select the appropriate coupling type based on the specific requirements of the application, whether it involves torque transmission or the transmission of linear motion. Consulting the manufacturer’s specifications, guidelines, or seeking expert advice can help ensure the correct coupling selection for a particular application.

chain coupling

How does misalignment affect chain couplings?

Misalignment in chain couplings can have detrimental effects on their performance and lifespan. Here are some ways in which misalignment can affect chain couplings:

  • Increase in Load: Misalignment puts additional load on the coupling components. When the shafts connected by the coupling are not properly aligned, the coupling must compensate for the angular, parallel, or axial misalignment. This increased load can lead to excessive stress and premature wear on the coupling components, such as sprockets, roller chain, and connecting pins.
  • Uneven Load Distribution: Misalignment can cause an uneven distribution of load across the coupling. As a result, some sections of the coupling experience higher stresses than others. This uneven load distribution can lead to localized wear and fatigue, reducing the overall strength and reliability of the coupling.
  • Reduced Power Transmission: Misalignment affects the efficiency of power transmission through the coupling. When the shafts are not properly aligned, there is increased friction and slippage between the roller chain and the sprockets. This slippage reduces the amount of power transferred from one shaft to another, resulting in a loss of efficiency and a decrease in the overall performance of the machinery or equipment.
  • Increased Wear: Misalignment can accelerate wear on the coupling components. The misalignment causes the roller chain to operate at an angle or with excessive tension, causing additional stress and wear on the chain links, sprocket teeth, and connecting pins. The increased wear can lead to chain elongation, loss of engagement with the sprockets, and ultimately, coupling failure.
  • Noise and Vibration: Misalignment often results in increased noise and vibration during operation. The misaligned coupling generates additional vibrations and impacts, leading to excessive noise and potential damage to the coupling and surrounding equipment. These vibrations can also propagate through the connected machinery, affecting its overall performance and reliability.

To mitigate the negative effects of misalignment, it is crucial to ensure proper alignment of the shafts and the chain coupling during installation and periodically check and adjust the alignment as needed. Proper alignment minimizes stress on the coupling components, maximizes power transmission efficiency, and extends the service life of the chain coupling.

chain coupling

What are the different types of chain couplings available?

Chain couplings come in various designs and configurations to suit different application requirements. Here are some common types of chain couplings:

  • Standard Roller Chain Couplings: These are the most basic and widely used type of chain couplings. They consist of two sprockets connected by a roller chain. The sprockets have hardened teeth that engage with the chain rollers, providing a reliable power transmission. Standard roller chain couplings are generally suitable for applications with moderate torque and speed requirements.
  • Double Roller Chain Couplings: Double roller chain couplings are similar to standard roller chain couplings but feature two parallel roller chains instead of one. This design increases the torque capacity and allows for higher power transmission. Double roller chain couplings are often used in applications that require higher torque and increased load-bearing capabilities.
  • Silent Chain Couplings: Silent chain couplings, also known as inverted-tooth chain couplings, use a special toothed chain with a meshing sprocket design. The teeth of the chain engage with the sprocket grooves, providing a smooth and quiet operation. Silent chain couplings are commonly used in applications where noise reduction is important, such as precision machinery or equipment operating in noise-sensitive environments.
  • Heavy-Duty Chain Couplings: Heavy-duty chain couplings are designed for applications that demand robust and rugged performance. They are constructed with larger sprockets and heavy-duty roller chains to handle high torque and heavy loads. These couplings are commonly used in industries such as mining, steel, and paper manufacturing, where extreme operating conditions and heavy machinery are present.
  • Flexible Chain Couplings: Flexible chain couplings incorporate an elastomeric element, such as a rubber or polyurethane insert, between the sprockets and the chain. This element provides flexibility, damping, and some degree of misalignment compensation. Flexible chain couplings are suitable for applications that require shock absorption, vibration damping, and moderate misalignment tolerance.
  • Stainless Steel Chain Couplings: Stainless steel chain couplings are specifically designed for applications that require corrosion resistance and sanitation, such as food processing, pharmaceutical, and chemical industries. They are made of stainless steel or other non-corrosive materials to withstand harsh environments and maintain hygienic conditions.

These are just a few examples of the different types of chain couplings available. Each type has its own advantages and is suitable for specific application requirements. It is important to carefully consider the torque, speed, misalignment, environmental factors, and other application-specific needs when selecting the appropriate chain coupling type for your particular application.

China Professional Flexible Chain Coupling for Heavy Equipment  China Professional Flexible Chain Coupling for Heavy Equipment
editor by CX 2024-01-09