Cutting tool

Details Cutting tool Cutting tool

1985-12-06

1987-05-05

Godici, Nicholas P.

Cutters, for shaping

Comprising tool of specific chemical composition

76101R, 76101A, 156DIG86, 156DIG99, 407118, 408145, 423284, 423290, B23B 2718

Patent

active

046628010

ABSTRACT:
This invention relates to a tool for use in carrying out a cutting process, and more particularly to a cutting tool formed so that it can be sued to cut an iron material of a high hardness and thereby obtain a mirror-polished surface thereon, the cutting tool being characterized in that it is formed by attaching a monocrystal of boron nitride to the tip thereof so that predetermined surface and orientation of the crystal are set suitably. To be concrete, the present invention is directed to a cutting tool in which monocrystalline boron nitride is used for a tip which forms a blade of the cutting tool, (111) surface of this boron nitride being used as a relief surface of the blade, <211> direction being used as a cutting direction; or a cutting tool of the same material, in which (100) surface of the boron nitride is used as a relief surface of the blade, <110> direction being used as a cutting direction.

REFERENCES:
patent: 2564136 (1951-08-01), Verheyen
patent: 2947617 (1960-08-01), Wentorf
patent: 3025847 (1962-03-01), Miller
patent: 3192015 (1965-06-01), Wentorf
patent: 3834265 (1974-09-01), Tafapolsky et al.
patent: 3850053 (1974-11-01), Bovenkerk
patent: 4560853 (1985-12-01), Ziegel
IBM Technical Disclosure Bulletin, vol. 16, No. 9, Feb. 1974, "Diamond Tool", by Biedermann and Bohg.

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