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Axial deviation and installation positioning of plum coupling

Release time:2019-02-21
The plum coupling has good balance and is suitable for high speed applications (up to 30000 RPM), but cannot handle large..

The plum coupling has good balance and is suitable for high speed applications (up to 30000 RPM), but cannot handle large deviations, especially axial deviations. Larger eccentricity and deflection will result in larger bearing loads than other servo couplings. Another value concern is the failure of the plum coupling. Once the plum elastic spacer is damaged or fails, the torque transfer will not be interrupted, while the metal claws of the two shaft sleeves mesh together to continue to transfer torque, which is likely to cause problems in the system. According to the practical application to choose the right plum blossom elastic spacer material is a major advantage of this coupling, can provide a variety of elastic materials of plum blossom spacer, different hardness and temperature bearing, let the customer choose the right material to meet the performance standards of the actual application.

Coupling is one of the important parts in mechanical transmission, the installation and positioning of coupling are: positioning screw positioning, tightening screw positioning, keyway positioning, d-hole positioning, rod tightening sleeve positioning, the following is to explain the advantages of these coupling installation and positioning:

1, positioning screw positioning: cylindrical raw processing on the coupling of 90 ° two screw hole, the positioning screw through the two holes will be fixed on the shaft coupling, which is a more common fixed way, due to screw the front end of the contact with the axis, axis of may cause damage or remove the difficulties.

2, tighten the screw positioning: in the coupling processing out of the slit. Make use of the coupling factory screw tightening force, make the slit deformation, the shaft tightly. This way of fixing and disassembly is convenient, and will not cause damage to the shaft, is a very common way of fixing.

3, keyway positioning: suitable for high torque transmission, in order to prevent axial sliding, usually with positioning screws and tighten screws fixed and used.

4. D hole positioning: normally, if the motor shaft is in D shape, if the positioning screw cannot be fixed, the hole of the coupling can be processed into a d-shaped hole corresponding to the size of the motor shaft, and fixed with the positioning screw, there is no need to worry about slipping.

5. Positioning of expanding sleeve: it is fixed by tightening the four positioning screws on the end face of the coupling to press the expanding sleeve. It is applicable to the connection and fixation of some step motor and servo motor with high torque, such as expanding sleeve diaphragm coupling, expanding sleeve plum coupling and expanding sleeve bellows coupling.



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