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Precision fag bearing introductions

315 Published by admin Nov 02,2018

Since 2001,precision fag bearing have played an active and important role in the group's aerospace, automotive and industrial sectors, covering all applications in the manufacturing machinery, power transmission and rail, heavy industry and consumer goods industries.

germany precision fag bearing
Why precision fag bearing failure?
1. Grinding heat of precision fag bearing
In the grinding process of precision fag bearing, a large amount of energy is consumed in the contact area between grinding wheel and workpiece, generating a large amount of grinding heat, resulting in local instantaneous high temperature in the grinding area.On the basis of the theory of linear motion heat source heat transfer formula derivation, calculation or by the method of infrared ray and measured experiment under the condition of instantaneous temperature thermocouple method, can be found in the grinding zone within 0.1 ~ 0.001 ms instantaneous temperature up to 1000 ~ 1000 ℃.
(1) surface oxidation layer
(2) amorphous tissue layer
(3) high temperature tempering layer
(4) two-layer quench layer
(5) grinding cracks on precision fag bearing
2. Metamorphic layer of precision fag bearing
During grinding, the surface layer of workpiece will be affected by the cutting force, compression force and friction force of the grinding wheel.In particular, the latter two functions make the workpiece surface layer form a highly directional plastic deformation layer and work hardening layer.These metamorphic layers inevitably affect the variation of residual stress in the surface layer for the precision fag bearing.
(1) cold plastic deformation layer
(2) thermoplastic deformation (or high temperature deformation) layer
(3) working hardening layer
It is sometimes found by microhardness method and metallographic method that surface hardness is increased due to machining deformation.

precision fag bearing
In addition to grinding, the surface decarburization layer caused by casting and heat treatment heating, if not completely removed in subsequent processing, the residual on the surface of workpiece will also cause surface softening and deterioration, leading to early failure of precision fag bearing.
If you need precision fag bearing or any models of bearings, please contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271
Wechat:leon15098916271

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