Compared with general mechanical parts , bearing parts is short and thin rotary surface body, axially symmetrical decided the machine tools is more onefold, most for the lathe and grinding machine; Short and thin decided their axial stiffness, axial deformation can be neglected, radial stiffness is poorer, process to have special method to consider.

Rolling bearing parts although simple structure, but the technologydemanding is high, and there are several processing features:

1. Precision processing

Bearings components after most of the surface to grinding, grinding size and geometry precision are μ m for the unit, especially the way and roll collar of roller higher precision, need to be super finishing or grinding.

2. Multiple process

Bearing parts requirement is high, and the production process is more. General bearing production need 20 to 40 procedure, much more than 70 procedure.

3. Forming

Bearing parts work surface is rotary formed surface, suitable for use method of forming processing. If contractor groove forging rolling mill with a car, are using molding tool or prevent type board processing.

 
In addition, most  bearings are standardized products, the same type of bearing requirements is very big, in order to improve productivity, lower costs, ensure the quality and widely used new technology, improve the level of mechanization and automation, bearing company usually is according to the bearing types and varieties in mass production, even can set up automatic line or assembly line production



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