Cutting tools of composite construction

Details Cutting tools of composite construction Cutting tools of composite construction

1993-08-06

1996-01-23

Rachuba, Maurina T.

Cutters, for shaping

Rotary cutting tool

Composite body of diverse material

407119, 408144, 408145, B23C 510

Patent

active

054860725

ABSTRACT:
A cutting tool is provided which comprises a tungsten carbide body or core (2) to which is soldered, brazed or otherwise bonded at least one strip of tungsten carbide (3) that is ground to form a cutting edge or blade. A tough non-vibrating core is thus provided for use with a very hard blade separately replaceable. A method of forming the body or core (2) involves forming a pre-sintered preform, grinding one or more flutes in the preform and subsequently hardening the preform into a fully sintered state ready for use to receive one or more cutting blades.

REFERENCES:
patent: 4266449 (1981-05-01), Bielby
patent: 4642003 (1987-02-01), Yoshimura
patent: 4708037 (1987-11-01), Guljan et al.
patent: 4762445 (1988-08-01), Bunting et al.
patent: 4909677 (1990-03-01), Noguchi et al.
patent: 4984940 (1991-01-01), Bryant et al.
patent: 5026227 (1991-06-01), Nishi et al.
patent: 5326195 (1994-07-01), Brox

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