Grindstone and method of manufacturing the same

Details Grindstone and method of manufacturing the same Grindstone and method of manufacturing the same

1997-10-27

2000-06-06

Scherbel, David A.

Abrading

Machine

Endless band tool

451527, 451530, 451539, 451526, B24B 2100

Patent

active

060711825

ABSTRACT:
A sheet-shaped grindstone for grinding a workpiece includes a plurality of segments arranged in an appropriate pattern with sufficient spaces therebetween such that the grindstone becomes flexible. The segments are formed in a manner in which metal powder including diamond grinding grains is sintered to form granular chips, the chips are disposed in a die in such a density that the chips come into mutual contact, and gaps around the granular chips are filled with a resin through application of pressure. The grindstone is more flexible at contact points with a workpiece than are conventional vitrified grinding tools. The grindstone can evade collision of the segments with the workpiece and can grind a curved surface of the workpiece through smooth contact therewith.

REFERENCES:
patent: 4010583 (1977-03-01), Highberg
patent: 4618349 (1986-10-01), Hashimoto et al.
patent: 5247765 (1993-09-01), Quintana
patent: 5654078 (1997-08-01), Ferronato
patent: 5782682 (1998-07-01), Han et al.

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