Cutting plate with chip breakers

Details Cutting plate with chip breakers Cutting plate with chip breakers

1976-07-22

1977-08-30

Hinson, Harrison L.

Metal working

Upholstered article making

Tufting

B26D 100

Patent

active

040444392

ABSTRACT:
A small polygonal shaped cutting plate designed to be secured onto the body of a tool for machining of metal pieces, presenting at least one rectilinear cutting edge, containing a groove assuring unrolling and control of the cutting, as well as a radiating cutting point characterized by the fact that it is composed of:
A. a cutting surface with an essentially pyramidal shape whose generatrices form a constant angle with a base plane Qo containing the cutting edge, and
B. an assembly of planes forming another surface called the chip breaker on which the shaving to be broken butts in such a manner that a hollow zone is formed in the radiating cutting point whose lowest point is situated in the bisector plane of the cutting point.

REFERENCES:
patent: 3137917 (1964-06-01), Dowd
patent: 3395434 (1968-08-01), Wirfelt
patent: 3751782 (1973-08-01), Fruish
patent: 3866282 (1975-02-01), Lundgren
patent: 3875663 (1975-04-01), Gustafson et al.
patent: 3975809 (1976-08-01), Sorice et al.

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