Cutting insert

Details Cutting insert Cutting insert

1991-05-15

1992-09-15

Schwartz, Larry I.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407120, B26D 100

Patent

active

051471582

ABSTRACT:
A cutting insert for chip forming machining comprises an upper rake face, a lower face, and an edge clearance face interconnecting said upper and lower faces. The edge clearance face includes a step located intermediate the upper and lower faces. The step defines a fracture zone so that in the event of insert breakage, the location of the breakage can be controlled. The portion of the insert located below the step defines, in effect, an integral shim.

REFERENCES:
patent: 4065223 (1977-12-01), Nelson
patent: 4449864 (1984-05-01), Haque et al.
patent: 4539875 (1985-09-01), Lee et al.
patent: 4606679 (1986-08-01), Jeremias
patent: 4681487 (1987-07-01), Petterson
patent: 4754789 (1988-07-01), Jonsson
patent: 4812087 (1989-03-01), Stashko

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