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Coupling function

2020-2-17 15: 05: 52 Views

One.What is a coupling?

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 it 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.

What is a coupling

two.Coupling function

 The coupling is installed between the driving side and the passive side of the power transmission to transmit rotating torque, compensate for the installation deviation between shafts, absorb equipment vibration and buffer load impact.One of the functions of the coupling is to absorb and compensate the deviation between the shaft and the shaft through its own deformation.The greater the flexibility, the stronger the ability to absorb deviations; the smaller the flexibility, the weaker the ability to absorb deviations.Generally speaking, this kind of deviation between the shaft and the shaft is divided into the following three aspects: the connection between the coupling and the peripheral equipment is realized by inserting the shaft of the equipment into the shaft hole of the coupling.The shaft hole of the coupling generally has a keyway type, a clamping type, a clamping + keyway, a screw type, an expansion type and so on.The keyway type is the most widely used, suitable for ordinary motors, ordinary reducers and ordinary drive shafts.The clamping type is more widely used in servo motors, stepping motors, and various types of synchronous transmission shafts. The shaft and the hole are closely matched without any transmission gap. If the keyway structure is added, the torque transmission capacity can be enhanced.The top wire type is suitable for small shaft diameter and small torque transmission occasions, such as micro motors, encoders, etc.


Universal coupling

Utilizing the characteristics of the mechanism, the two shafts are not on the same axis, and the two connected shafts can be continuously rotated under the condition of the axis included angle, and the torque and movement can be reliably transmitted.The biggest feature of universal coupling is: its structure has large angular compensation ability, compact structure and high transmission efficiency.Two types of universal couplings with different structureslineThe included angle is different, generally between 5°-45°.

elasticityCoupling

It is a one-piece metal elastic body, usually cut from a metal round bar wire. Commonly used materials are aluminum alloy, stainless steel,Engineering plastic, Suitable for various deviations and accurate torque transmission.

Coupling function: used to connect the two shafts together. The two shafts cannot be separated when the machine is running. The two shafts can only be separated after the machine is stopped and the connection is disconnected. clutchFunction: Used to connect two shafts together, and the two shafts can be separated or joined when the machine is running.

Of couplings and clutchesmaineffectWhat is it? What is the difference between the two


The coupling is to connect the two half shafts together, so that the power can be effectively transmitted.Do not take off while working.
ClutchDeviceIt is a special way of power transmission, which requires that it can be disconnected or engaged at any time during work, so it is calledfrom合器.

The coupling only has the function of connecting and driving,
The clutch not only has the function of connecting transmission, but also the function of deceleration and reversing

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