Cutting insert

Details Cutting insert Cutting insert

1997-08-13

1999-07-20

Han, Frances

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 48, 407 54, 407 62, B23C 520

Patent

active

059248246

ABSTRACT:
A cutting insert for mounting in a cutting tool, comprises a cutting head portion with a substantially arcuate cutting edge and a substantially trapezoidal mounting body portion integrally formed therewith. The mounting body portion has substantially planar upper and lower surfaces and substantially straight side surfaces converging in the direction away from the cutting head portion. The entire cutting edge of the cutting head portion lies on a sphere and defines an arc substantially less than 90.degree., the cutting head portion having an imaginary chordal plane passing through peripheral ends of the arc. The side surfaces of the mounting body portion are directed substantially radially with respect to a center of the sphere and are substantially shorter than the length of the chordal plane.

REFERENCES:
patent: 4252480 (1981-02-01), Mizuno et al.
patent: 4527930 (1985-07-01), Harroun
patent: 4623285 (1986-11-01), Costil
patent: 5221162 (1993-06-01), Okawa
patent: 5622460 (1997-04-01), Satran et al.

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