Cutting insert for a milling cutter

Details Cutting insert for a milling cutter Cutting insert for a milling cutter

2008-03-11

2009-10-20

Ashley, Boyer D (Department: 3724)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S042000, C407S116000

Reexamination Certificate

active

07604441

ABSTRACT:
A fully indexable square cutting insert has four side surfaces connecting to two end surfaces. At the intersection of each side surface with an end surface is a primary cutting edge which extends from an insert corner and along a first side surface, in a downward direction towards a median plane. A wiper extends from the same insert corner and along an adjacent side surface, in an upward direction away from the median plane, to rise above an abutment surface of an associated end surface. The geometry of the cutting insert and of the insert pocket in which the insert is seated are such that the primary cutting edge has a positive axial angle (helix), while the insert has an overall negative axial angle for providing axial clearance and an overall negative radial angle for providing radial clearance.

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International Search Report in PCT/IN2008/000170, dated Sep. 24, 2008.

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