Cutting insert with scallops
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United States of America Patent
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-
Jan 17, 2017
Grant Date -
Jun 5, 2014
app pub date -
Dec 3, 2013
filing date -
Dec 4, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polygonal indexable cutting insert including a pair of faces, a plurality of peripheral side surfaces, a plurality of rounded corners, a plurality of cutting edges formed with an edge radius, a plurality of triangular-shaped areas proximate the rounded corners; and a plurality of chip breaking scallops positioned along the cutting edges. Each scallop has a bottom surface formed by a rake face and an arcuate back wall having a varying depth. The arcuate back wall of each scallop intersects the arcuate back wall of adjacent scallops at a point located at a distance from each cutting edge for providing a wedge effect that facilitates in dividing and breaking chips.
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