Cutting insert and rotary milling cutter

Details Cutting insert and rotary milling cutter Cutting insert and rotary milling cutter

1977-01-28

1978-05-23

Vlachos, Leonidas

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407 50, B26D 100

Patent

active

040908011

ABSTRACT:
The invention concerns a cutting insert, having the shape of an isosceles triangle, which comprises a polygonal flat plate the top and bottom surfaces of which intersect with two edge surfaces of equal length to define main cutting edges, and at least one other edge surface adjoining said two edge surfaces at two cutting corners while intersecting with the top and bottom surface at right angles. The plate has the shape of an isosceles triangle the base of which is formed by said other edge surface. Secondary cutting edges are provided. The invention also involves a rotary milling cutter provided with a plurality of the cutting inserts.

REFERENCES:
patent: 1935069 (1933-11-01), Walker et al.
patent: 2805467 (1957-09-01), Greenleaf
patent: 3138847 (1964-06-01), Berry, Jr.
patent: 3616507 (1971-11-01), Wirfelt
patent: 3786545 (1974-01-01), Wirfelt
patent: 3902232 (1975-09-01), Hertel

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