Method and apparatus for grinding workpiece surfaces to...

Details Method and apparatus for grinding workpiece surfaces to... Method and apparatus for grinding workpiece surfaces to...

2005-02-08

2005-02-08

Rose, Robert A. (Department: 3723)

Abrading

Abrading process

Roll, roller, shaft, ball, or piston abrading

C451S072000

Reexamination Certificate

active

06852015

ABSTRACT:
A grinding machine rotatably carrying a finish grinding wheel and a super-finish grinding wheel respectively on first and second wheel heads practices a method of grinding workpiece surfaces to super-finish surfaces with micro oil pockets. A surface of a workpiece rotatably carried on the machine is first ground with the finish grinding wheel to a predetermined diameter under the control of a sizing device. The workpiece surface is then ground with the super-finish grinding wheel to a target diameter under the control of a sizing device. The super-finish grinding is performed to the extent that peaks of a section curve representing the roughness of the workpiece surface attained by the finish grinding are removed but bottoms of the surface curve are left to a depth when the target diameter is reached, so that the bottoms so left of the roughness constitute the micro oil pockets.

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patent: 2000-263397 (2000-09-01), None

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