Cutting insert
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United States of America Patent
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N/A
Issued Date -
Feb 13, 2003
app pub date -
Sep 5, 2002
filing date -
Apr 13, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a cutting insert for machining work comprising at least one curved cutting corner configured from two cutting edges and comprising several regions with differing radii of curvature. On said cutting insert, at least one of the cutting edges is sunk across a partial section at a distance from the cutting corner centre, the latter being determined by the bisector of the cutting corner angle, but in the curved cutting corner region, or at least one of the cutting edges when viewed from above has a central convex cutting corner region, having a first radius of curvature (R.sub.1) of an adjacent concave cutting corner region with a greater radius (R.sub.3) and the concave cutting edge region is additionally raised in such a way that the cutting edge in this region runs in a convex manner when viewed from the side (looking onto the free surface).
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