Cutting insert having eight main cutting edges and eight wiper edges and cutting tool including the same
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United States of America Patent
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Aug 8, 2017
Grant Date -
Nov 20, 2014
app pub date -
Aug 5, 2014
filing date -
Feb 8, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A double-sided cutting insert for milling which has eight main cutting edges and eight wiper edges. The cutting insert includes top and bottom faces and four side faces. Each side face includes first and second sub-faces inclined with respect to each other. The first sub-face has a main cutting edge adjacent to the top face and a wiper edge adjacent to the bottom face. The second sub-face has a wiper edge adjacent to the top face and a main cutting edge adjacent to the bottom face. The wiper edge of the second sub-face is inclined inwardly relative to the cutting insert with respect to the main cutting edge of the first sub-face. The wiper edge of the first sub-face is inclined inwardly relative to the cutting insert with respect to the main cutting edge of the second sub-face.
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