Indexable finishing insert for a milling cutter

Details Indexable finishing insert for a milling cutter Indexable finishing insert for a milling cutter

1980-03-06

1981-10-13

Hinson, Harrison L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407 62, B26D 112

Patent

active

042945658

ABSTRACT:
An indexable finishing insert is disclosed formed from a flat wafer of cutting material having front and rear planar rake surfaces and a plurality of edge faces disposed therebetween. The rake faces are generally of equilateral, polygonal configuration with the side edges thereof corresponding to the cutting edges of the insert. The cutting edges are arcuate and have a radius of curvature several times greater than the width of the planar surfaces. The intermediate portion of each edge face is substantially planar and defines a locating land for facilitating the mounting of the insert within the pocket of a milling cutter. At least a portion of the opposed ends of each edge face is curved and sloped away from the front rake surface in order to provide clearance along the edge faces when the insert is mounted on a cutting tool at an angle between the rake surfaces and the workpiece.

REFERENCES:
patent: 3279034 (1966-10-01), Kaiser
patent: 3279035 (1966-10-01), Johnson
patent: 3434190 (1969-03-01), Kaiser
patent: 3551978 (1971-01-01), Berry, Jr.
patent: 3670380 (1972-06-01), Moore et al.
patent: 3742565 (1973-07-01), Boboltz et al.
patent: 3762005 (1973-10-01), Erkfritz
patent: 3927447 (1975-12-01), Willinger
patent: 4180355 (1979-12-01), Nanini

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