Machine tool cutter

Details Machine tool cutter Machine tool cutter

1983-10-03

1986-02-11

Vlachos, Leonidas

Cutters, for shaping

Rectilinear broach

Including holder having seat for inserted tool

407114, B26D 100

Patent

active

045696195

ABSTRACT:
A metal cutting tool is described having an elongated tool body with an elongated, preferably arcuate, tool face portion. A plurality of recesses are formed in the tool face, each having a flat bottom face inclined inwardly and rearwardly to the longitudinal axis of the tool body. Each recess contains an indexable small, square, thin cutter insert with a bottom face resting on the flat bottom of the recess. Each insert has a flat bottom face, while the top face has a shallow generally spherical convex contour. Each side face is generally concave and forms an arcuate cutting edge with the convex top face. Each side face forms an acute angle with the top face of the insert, and the magnitude of this acute angle and the degree of inclination of the recess flat bottom face are such as to provide a positive rake angle of 1.degree.-30.degree. between the cutter portion and the work cut.

REFERENCES:
patent: 1359831 (1920-11-01), Oakley
patent: 2487757 (1949-11-01), Iversen
patent: 3656220 (1972-04-01), Dupuis
patent: 3670380 (1972-06-01), Moore et al.
patent: 3875663 (1975-04-01), Gustafson et al.
patent: 3914840 (1975-10-01), Ferree et al.
patent: 4259033 (1981-03-01), McCreery et al.
patent: 4277207 (1981-07-01), Proulx

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