1. the lower surface roughness values.
2. increased surface contact area for the rings. After the Superfinishing, ring surface contact bearing surface by 15%~40% after grinding, which are added to 80%~95%.
3. high productivity, low labor intensity, easy to automate.
4. can effectively reduce the waviness. Superfinishing process, when grindstone arc in contact with the workpiece when greater than or equal to the wavelength of the ripples on the surface of the workpiece, you can keep the grindstone acts on wave soldering without touching the trough so that contact pressure of the crest of the large, protruding peak was cut off, thus the reduction of waviness.
5. improve the Groove profile error of ball bearing Raceway. Superfinishing can effectively improve the Raceway Groove profile errors, usually about 35% could be improved.
6. enable Superfinishing surface compressive stress. Superfinishing process mainly produce cold plastic deformation and Superfinishing surface forming residual compressive stress.
Superfinishing is good lubrication conditions, workpiece rotation to a certain speed, and fine-grained grinding stones used to a certain amount of pressure to the workpiece surface and perpendicular to the direction of rotation of the workpiece a processing method for reciprocating concussion sports.



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