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TIMKEN bearing ring super fine grinding processing features
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1. It can be useful to reduce the waviness. During the ultra-finishing process; when the arc touched by the grindstone and the workpiece is greater than or equal to the wavelength of the waviness of the workpiece surface; it can ensure that the grindstone always acts on the peak without touching the trough; The peak has a higher touch pressure; the peak is cut off; thus reducing the waviness.
2. Improve the groove error of the ball bearing TIMKEN imported bearing raceway. Super-finishing can be used to improve the groove shape error of the pre-sequence track; usually change according to the operation of the pre-order groove shape; the groove error of the ball TIMKEN bearing raceway The improvement and the pre-processing accuracy are usually inversely proportional.
3. It can make the compressive stress of the super-finished surface. In the process of super-finishing, the cold-form deformation occurs first; therefore, the surface of the workpiece constitutes the residual compressive stress after super-finishing.
4. Decrease the appearance roughness value.
5. It can add the touch area of ​​the outer surface of the ferrule operation. After super-finishing; the outer touch support area of ​​the ferrule operation can be 15%~40% after grinding; added to 80%~95%.
6. The lapping function of the super-precision machine is closely related to the process parameters of the super-precision machine; for example, the swing frequency of the super-precision head, the rotation speed of the workpiece shaft, and the selection of the ultra-fine oil stone are related to the grinding action of the super-precision machine.
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