Ultra fine groove chip and ultra fine groove tool

Details Ultra fine groove chip and ultra fine groove tool Ultra fine groove chip and ultra fine groove tool

1999-03-17

2000-08-29

Butler, Rodney A.

Abrading

Rigid tool

451 41, B23F 2103, B24B 100

Patent

active

061100307

ABSTRACT:
The present invention relates to an ultra fine groove chip (or tip) and an ultra fine groove tool, wherein thermal damage is reduced as coolant retained in grooves stops heat generation when working in shear (ductile) mode and whereby good quality of worked surface is obtained. The present invention comprises an ultra fine groove chip, wherein a chip made of hard material selected from the group consisting of diamond, cubic boron nitride, tungsten carbide, cemented carbide, high-speed steel, ceramics and others has its face engraved with a number of fine grooves to form working surfaces, and whereby each working surface sectioned by grooves constitutes an ultra fine edge. The invention also comprises an ultra fine groove tool which is provided with a rotatable base board and at least one ultra fine groove chip, wherein the board constituting a holder is holding the ultra fine groove chip.

REFERENCES:
patent: 5054246 (1991-10-01), Phaal et al.
patent: 5454752 (1995-10-01), Sexton et al.
patent: 5782682 (1998-07-01), Han et al.

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