Date: 2013-08-20

What are bearing rings Superfinishing features introduced

Rotating the workpiece to a certain speed, skf bearing Superfinishing is in excellent lubrication conditions. Meanwhile granular stone bearing a certain pressure to the workpiece is pressed against the surface and perpendicular to the workpiece in the direction of rotation of the bearing for reciprocating movement a processing method shock. Has the following characteristics:
Grindstone contact with the workpiece when the arc is greater than or equal to the wavelength of waviness of the workpiece when the appearance,
1 can effectively reduce the bearing waviness. Superfinishing process. Can guarantee the grindstone not always act on the crest and trough in contact, so the contact pressure wave, convex peak was cut, thus reducing the waviness. Generally about 35% can be improved.
(2) improving the fag bearing ball bearing raceway groove shape error. Superfinishing can effectively improve the raceway groove shape error. Thus Superfinishing appearance after the formation of residual compressive stress in the workpiece.
3 can be Superfinishing appearance nsk bearing stress occurs. Superfinishing mainly occurs during cold plastic deformation.
4 Reduce the appearance timken bearing roughness values. Contact the bearing outer ring work area after grinding by 15% to 40%,
5 ina bearing ring working surface can increase the contact area. Superfinishing later. Low labor intensity, increased to 80% to 95%.
6 bearing high production efficiency. Easy to automate.

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Hot Products:

Product Model	Inside Diameter	Outside Diameter	Thickness
7021ADB NSK	105	160	26
7921CDB NSK	105	145	20

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