Throw away cutting tool

Details Throw away cutting tool Throw away cutting tool

1988-05-18

1990-03-20

Terrell, William

Cutters, for shaping

Including holder having seat for inserted tool

407 32, 407110, 407117, 407119, B23B 2708, B23B 2714, B23B 2704

Patent

active

049096770

ABSTRACT:
A throw away cutting tool comprising a holder formed with a wedge groove and a throw away insert having a cutting edge at one end thereof and a wedge portion at the outer end, the wedge portion being adapted to be clamped in the wedge groove by elasticity of the material of the holder. The holder is at least partly made of cemented carbide for higher rigidity and cutting stability. Also, the radius of curvature at the deep end of the wedge groove is optimized for crack resistance. Further, the angle of the V-ridge on the holder is interrelated to the angle of the V-groove in the insert for more holding stability and crack resistance.

REFERENCES:
patent: 2950523 (1960-08-01), Frommelt et al.
patent: 3270396 (1966-09-01), Williams
patent: 3543363 (1970-12-01), Diemond
patent: 3837058 (1974-09-01), Barkley et al.
patent: 4558974 (1985-12-01), Pano
patent: 4580930 (1986-04-01), Zinner
patent: 4604004 (1986-08-01), Armbrust
patent: 4642003 (1987-02-01), Yoshimura
patent: 4668132 (1987-05-01), Villa et al.
patent: 4687383 (1987-08-01), Shimomura et al.
"Diamonite Tool Holder", advertisement Diamonite Products Manufacturing Company, 10-1956.

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