Gear-shaping grindstone and method of fabricating the same

Details Gear-shaping grindstone and method of fabricating the same Gear-shaping grindstone and method of fabricating the same

2005-09-13

2005-09-13

Morgan, Eileen P. (Department: 3723)

Abrading

Machine

Rotary tool

C451S456000, C451S451000, C451S900000, C051S309000

Reexamination Certificate

active

06942555

ABSTRACT:
A highly accurate, long-life grindstone for shaping a gear and a method of fabricating the grindstone, without depending on the accuracy of form of a base metal and without using a special grinding machine or a special lapping machine, are disclosed. A super-abrasive layer (29) of a predetermined thickness is fixedly attached on the outer periphery of a body portion (24) of the base metal (23) formed in a cylinder solid. The super-abrasive layer (29) is metal-bonded, and has the outer periphery thereof formed with a toothed portion (31) in the shape of the teeth of an external gear by electric discharge machining.

REFERENCES:
patent: 5891206 (1999-04-01), Ellingson
patent: 6196911 (2001-03-01), Preston et al.
patent: 6358133 (2002-03-01), Cesena et al.
patent: 63134113 (1988-06-01), None
patent: 63150165 (1988-06-01), None
patent: 4-210322 (1992-07-01), None
patent: 04210322 (1992-07-01), None

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