Cutting insert with chip control protrusion on a chip surface

Details Cutting insert with chip control protrusion on a chip surface Cutting insert with chip control protrusion on a chip surface

1997-04-14

1998-04-28

Bishop, Steven C.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407116, B23B 2722

Patent

active

057436819

ABSTRACT:
An indexable cutting insert for metal machining, in particular turning, is formed with banana- or C-shaped protrusions (11) adjacent to each operative cutting corner. The concave side of the protrusion faces in a direction towards the cutting corner. In comparison with corresponding inserts without such a protrusion a better chip control is achieved. Thus, the chip flow is led away from the machined surface both at small and large cutting depths and the chips are broken into suitable lengths.

REFERENCES:
patent: 4988242 (1991-01-01), Pettersson et al.
patent: 5044840 (1991-09-01), Fouquer et al.
patent: 5116167 (1992-05-01), Niebauer
patent: 5147159 (1992-09-01), Lowe et al.
patent: 5372463 (1994-12-01), Takahashi et al.

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