Abrasive tools

Details Abrasive tools Abrasive tools

1998-12-22

2000-07-25

Scherbel, David A.

Abrading

Rigid tool

Rotary cylinder

451527, 451529, B23F 2103

Patent

active

060930926

ABSTRACT:
Abrasive tools suitable for precision grinding of hard brittle materials, such as ceramics and composites comprising ceramics, at peripheral wheel speeds up to 160 meters/second are provided. The abrasive tools comprise a wheel core attached to an abrasive rim of dense, metal bonded superabrasive segments by means of a thermally stable bond. A preferred tool for backgrinding ceramic wafers contains graphite filler and a relatively low concentration of abrasive grain.

REFERENCES:
patent: 5110322 (1992-05-01), Narayanan et al.
patent: 5832360 (1998-11-01), Andrews et al.
patent: 5855314 (1999-01-01), Shiue et al.

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