Welcome: Universal Coupling Factory
Language: Chinese ∷  English

News

Three knowledge points of coupling and heat treatment and machining requirements

The selection principle of coupling:

Neutral: the neutral rigid coupling is best selected, and the flexible coupling is selected when compensation is required;

Assembly and disassembly: Considering the convenience of assembly and disassembly, choose the coupling that can move directly and radial;

Environment: If working at high temperature, do not choose a coupling with non-metallic components;

Cost: under the same conditions, try to choose and maintain simple couplings

Coupling type characteristics:

Rigid coupling: rigid coupling does not have the ability to compensate the relative deviation of the two axes, nor does it have the damping performance; But the structure is simple and the price is cheap. Only when the load is stable, the speed is stable, and the two axes can be offset relative to each other, can the rigid coupling be selected.

Flexible coupling without elastic elements: large bearing capacity, but does not have cushioning and damping performance, at high speed or speed instability or often positive or reverse, there is impact noise. Suitable for low speed, heavy load, stable speed occasions.

Coupling: The structure is characterized by the existence of an insurance link (such as a pin movable connection, etc.), which can only withstand a limited load. When the actual load exceeds the pre-defined load, the insurance link changes, cutting off the transmission of motion and power, so as to protect the rest of the machine from damage, that is, the protective role.

Function of coupling:

Coupling is the axial connection of the two axes and transfer torque and movement of the parts and has the ability to compensate for the offset of the two axes, in order to reduce the vibration of the mechanical transmission system, reduce the impact peak load, the coupling should also have a cushioning performance. Couplings sometimes also have overload protection.

Heat treatment and machining requirements:

Post-forging heat treatment: forgings should be preheated after forging to organize and machinability.

Roughing: forging performance should be roughed before heat treatment, leaving a small processing allowance.

Performance Heat treatment: Forgings should be quenched and tempered to achieve the required performance.

Machining after heat treatment: After the mechanical properties are qualified, the forging is processed to the size and surface roughness specified in the drawing provided by the demander. However, if the cutting amount of any surface exceeds 5mm, the forging is de-stressed.

Stress removal treatment: The temperature of forging stress removal should be lower than the final tempering temperature of 30°, and after heat preservation, it should be slowly cooled. If the stress removal temperature is not lower than the final tempering temperature of 30°, the mechanical properties of the forging should be re-tested after stress removal.
PREVIOUS：Coupling features, applications and fixing me NEXT：Suitable choice of tire coupling and design p

RELATED NEWS

CATEGORIES

LATEST NEWS

CONTACT US

Contact: Mr Wang

Phone: 86-19932127135

Tel: 0311-69772900

Email: linda@rongxingcoupling.com

Add:  No.58,Zhongshan Road,Shijiazhuang,Hebei, China