Multiple groove chip control for cutting insert

Details Multiple groove chip control for cutting insert Multiple groove chip control for cutting insert

2005-02-01

2005-02-01

Tsai, Henry W. H. (Department: 2183)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

C407S115000

Reexamination Certificate

active

06848868

ABSTRACT:
A cutting insert having an upper and a lower base face; side walls adjoining the faces; at least one cutting edge formed at an intersection of the upper face and a side wall; and at least one cutting corner formed at an intersection of an adjacent pair of side walls. A chip control structure is formed in the upper face extending along the cutting edge from the cutting corner for at least an effective cutting length of the cutting edge. A land surface spaces the chip control structure from the cutting edge. The chip control structure includes multiple radially spaced grooves, wherein the grooves of the chip control structure have a depth generally decreasing from the land toward the center of the insert.

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patent: 2035859 (1980-06-01), None

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