Interfitting on-edge inserts for milling cutters

Details Interfitting on-edge inserts for milling cutters Interfitting on-edge inserts for milling cutters

1988-07-01

1988-12-13

Schmidt, Frederick R.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 42, 407 59, 407113, B23C 510, B23C 520

Patent

active

047906936

ABSTRACT:
Shown and described is an on-edge cutting insert for milling cutters in the form of a flat six-sided block having two parallel major faces which are seating and clearance faces, and two opposed edge surfaces which are rake faces which intersect at least one major face of the flat block to form two parallel cutting edges therewith, and two other opposed edge surfaces which are recessed centrally of their major dimension to form sideward projections of the cutting edges at the corners of the major faces.
The recesses accommodate the sideward projections of the cutting edges of the adjacent inserts in an interfitting array of inserts along a single chip gullet in which the several inserts sweep contiguous concentric segments of a more extensive uninterrupted cutting path.

REFERENCES:
patent: 4539875 (1985-09-01), Lee et al.
patent: 4573831 (1986-03-01), Lacey
patent: 4648755 (1987-03-01), Stashko
patent: 4648760 (1987-03-01), Karlsson et al.
Brookes, Kenneth J. A., World Directory and Handbook of Hardmetals, Third Edition, 1982, title page and p. 89.

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