Porous grinding stone and method of production thereof
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United States of America Patent
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-
Nov 26, 2002
Grant Date -
N/A
app pub date -
Jul 31, 2000
filing date -
Dec 3, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An abrasive-particle grinder and a method of manufacturing the grinder, in which the bonding force between super-abrasive particles and a binder is enhanced, attrition of the binder during a grinding process is increased, and physical properties of the grinder are improved. The grinder comprises super-abrasive particles as grinding particles and metal powder as a binder. The binder is formed into a porous body and then at least the surface thereof is denatured to ceramic. Protrusion of the abrasive particles is first controlled and then grip of the abrasive particles is controlled.
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