Cutter insert for machining

Details Cutter insert for machining Cutter insert for machining

1989-07-06

1991-04-09

Schmidt, Frederick R.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407120, B23P 1528

Patent

active

050060201

ABSTRACT:
Cutter inserts are provided with a circumferential primary bevel whose width is between 0.05 to 0.2 mm and which has an angle of inclination downward from the top surface of between 20 and 35 degrees. The primary bevel is adjoined by a secondary bevel which has a width between 0.5 and 2.0 mm and an inclination downward from the top surface between 5 and 15 degrees. The primary bevel is at an angle .alpha. between 5 and 15 degrees with respect to the secondary bevel. At the corner radii the secondary bevel comes to an end and thereby forms the strengthened area.

REFERENCES:
patent: 3395434 (1968-08-01), Wirfelt
patent: 4124326 (1978-11-01), Cost
patent: 4312250 (1982-01-01), Yankoff
patent: 4318318 (1982-03-01), Schott
patent: 4616963 (1986-10-01), Habert et al.

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