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What is a shaft coupling?
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What is a shaft coupling?

Views:0     Author:Site Editor     Publish Time: 2021-02-08      Origin:Site

Shaft coupling refers to a device that connects two shafts or a shaft and a rotating part, and rotates together in the process of transmitting movement and power, and does not disengage under normal conditions. Sometimes shaft coupling is also used as a safety device to prevent the connected parts from being subjected to excessive loads and play a role in overload protection. Let us learn more detailed information about shaft couplings.

 

  • What are the types of shaft coupling?

  • What are the features of shaft coupling?

  • What is the future of shaft coupling?

 

What are the types of shaft coupling?

Shaft couplings can be divided into two categories: rigid couplings and flexible couplings.

Rigid couplings do not have the ability to buffer and the ability to compensate for the relative displacement of the two axes, which requires strict alignment of the two axes. However, rigid coupling has simple structure, low manufacturing cost, convenient assembly and disassembly and maintenance, and can ensure that the two axes have the neutrality of the transmission is greater. Rigid couplings can be used in flange couplings, sleeve couplings and clamp couplings.

Flexible couplings can be further divided into flexible couplings without elastic elements and flexible couplings with elastic elements. The former type only has the ability to compensate the relative displacement of the two axes, but it cannot buffer and dampen vibrations, which is commonly used in slider couplings, gear couplings, universal couplings and chain couplings. Because the latter type contains elastic elements, in addition to the ability to compensate for the relative displacement of the two axes, flexible couplings with elastic elements also has the ability of buffering and dampening. However, it is worse than the flexible coupling without elastic elements for the torque is limited by the strength of the flexible element. Flexible couplings with elastic elements commonly are the part of elastic sleeve pin couplings, elastic pin couplings, plum-shaped couplings, tire couplings, serpentine spring couplings and reed couplings.

 

What are the features of shaft coupling?

The functions of shaft couplings can be described as follows:

Shaft couplings have the ability of buffering, dampening, and improving the dynamic performance of the shaft system. Shaft coupling refers to a device that connects two shafts or shafts and rotating parts, and rotates together in the process of transmitting movement and power, and does not disengage under normal conditions. Sometimes shaft coupling is also used as a safety device to prevent the connected parts from being subjected to excessive loads and play a role in overload protection.

Shaft coupling is often composed of two halves, which are connected by a key or tight fit respectively, and fastened to the ends of the two shafts, and then the two halves are connected in some way. The shaft coupling can also compensate the deviation between the two shafts due to inaccurate manufacturing and installation and deformation or thermal expansion during work.

Flexible coupling:  One-piece metal elastic body

Zero rotation gap, synchronous operation

Flexible action to compensate radial, angular and axial   deviations

High torque rigidity and excellent sensitivity

Clockwise and counterclockwise rotation characteristics are exactly the same

Maintenance-free, oil and corrosion resistance

Diaphragm coupling:  High rigidity, high torque and low inertia

                   Adopt ring or square elastic stainless steel deformation 

High torque load, high torque rigidity and excellent sensitivity

Slider coupling:  Connection without backlash used for small torque measurement Easy to use, install, and be time-saving

Wide size range, small moment of inertia, easy for visual inspection

Oil corrosion resistance and electrical insulation

Plum blossom coupling:  Be compact with no backlash

Absorb vibration, compensate radial and angular deviation  

Simple structure, convenient maintenance, easy inspection

Maintenance-free, oil-resistant and electrical insulation

Rigid coupling:  Light weight, ultra-low inertia and high sensitivity

              Maintenance-free, super oil and corrosion resistance

 

What is the future of shaft coupling?

The shaft coupling industry in our country has developed since the establishment of PRC. After decades of construction and development, our shaft coupling industry has formed an independent industrial system of considerable scale and certain level since the reform and open policy.

In the development process, there are more guarantees and space for improvement both in terms of quantity and quality. However, gaps exist between the number of shaft couplings and the development needs of the national economy.

At present, although domestic scientific research personnel can produce some scientific research results about shaft couplings that are considered advanced in the country, these results are not competitive when they are obtained internationally. Nowadays it is necessary to improve the level of specialized production of shaft couplings, as well as improving the production organization of shaft coupling enterprises.

The delivery cycle of the shaft coupling is the most important that it has become a trend to require coupling production companies to deliver as soon as possible. Some companies continue to change the technical level, equipment level, and management level to improve efficiency in order to shorten the delivery cycle.

Shaft couplings will inevitably develop to a wider range and higher level. Chinese shaft coupling companies should seize the opportunity to borrow and learn advanced foreign technologies to accelerate pace of development.

 

Learn more something about shaft couplings can know the detailed information about shaft couplings and the trend of shaft coupling industry. In the process of coupling development, a number of very powerful companies have emerged, such as FOSHAN HOUZHE TRANSMISSION EQUIPMENT CO., LTD. Our company knows how to innovate while developing, and will also go out in the process of introducing shaft coupling. Whether from quality or price, or delivery time, we can help customers to open up a further and larger market, it is wise to choose us as your business partner.


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