Keep rolling element rolling INA Bearing INA Bearing equidistant isolation plays and to prevent the rolling body drop, guide and promote the role of the rolling body rotation. Scroll INA Bearing cage can be divided into cages and solid cage. Scroll INA bearings at work, due to sliding friction caused by the INA bearing heating and wear, especially under high speed conditions, due to the effect of centrifugal force, acceleration, friction wear and heat, can cause severe cage burns and fracture, resulting in INA bearings can not be normal. Cage damage in a large proportion in the form of INA Bearing failure. Cage damage causes the cage material is good or bad is one of the main reasons. Therefore, the requirements of rolling in the manufacturing INA Bearing INA Bearing cage materials need to have the following performance:
1 given the strength and toughness with the cage can withstand a certain load and impact, has good flexibility and rigidity.
2 small to scroll between the friction coefficient, good wear resistance.
3 must have good thermal conductivity.
4 a smaller proportion and has a similar coefficient of expansion as the rolling element.
5 Cage structure is generally more complex, so they requested that the material has good processing properties:
6 Metal forming the cage material requires a good plasticity and ductility;
7 car - cage materials requires a good cutting performance;
Die-casting. Cage materials requires good casting properties;
Injection cage materials requires a good injection performance.
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