Boring and milling tool and indexable cutter bit insert for use

Details Boring and milling tool and indexable cutter bit insert for use Boring and milling tool and indexable cutter bit insert for use

1988-02-18

1989-07-04

Schmidt, Frederick R.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407114, B23C 520, B23C 504

Patent

active

048446432

ABSTRACT:
A boring and milling tool for machining of metal workpieces includes an essentially cylindrical, elongated basic milling body, with at least one chip removal groove machined into its circumference, penetrating the face end of the boring and milling tool. A pocket is provided in this chip removal groove for an indexable cutter bit insert (16) retained therein. One cutting edge (24, 26) of the insert operates circumferentially, and another cutting edge (25, 27) operates at the face end with respect to the boring and milling tool. To prevent the production of long chips at the end cutting edge (25, 27) of the insert (16) during boring operations with the boring and milling tool, the insert (16) here has a different cutting edge geometry than at the cutting edge (24, 26) that is effective during milling.

REFERENCES:
patent: 3399442 (1968-09-01), Jones et al.
patent: 3947937 (1976-04-01), Hertel
patent: 3968550 (1976-07-01), Gehri
patent: 4214847 (1980-07-01), Kraemer
patent: 4215957 (1980-08-01), Holma et al.
patent: 4273480 (1981-06-01), Shirai et al.
patent: 4564321 (1986-01-01), Kondo et al.
patent: 4659264 (1987-04-01), Friedline

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