Protected super-abrasive grinding tool

Details Protected super-abrasive grinding tool Protected super-abrasive grinding tool

1982-02-24

1984-07-03

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51206NF, B24D 500

Patent

active

044571135

ABSTRACT:
This improved rotary-type, super-abrasive grinding tool is designed to cope with a longstanding problem heretofore encountered when subjecting such tools to periodic dressing operations. The improved tool comprises an annular hub having a periphery or rim with a generally U-shaped slot therein, and a generally annularly-configured super-abrasive matrix supported in said slot and having an outer peripheral, configured working surface. The axially opposed walls of the slot buttress and support the sides of the super-abrasive matrix. Each of the walls have a plurality of peripherally-exposed, radially-disposed recesses therein containing a super-abrasive medium, preferably having the same composition and integral with the super-abrasive matrix. The exposed periphery of the super-abrasive medium protects peripherally-aligned portions of the rim from excessive wear when improperly contacted with the dressing medium.

REFERENCES:
patent: 2766565 (1956-10-01), Robison
patent: 2811960 (1957-11-01), Fessel
patent: 3271911 (1966-09-01), McKenna
patent: 3830020 (1974-08-01), Gomi

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