CUTTING INSERT
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United States of America Patent
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N/A
Issued Date -
Jul 12, 2007
app pub date -
Dec 28, 2006
filing date -
Jan 2, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cutting insert is disclosed, where the shape of a cutting edge is improved so that the minimum cutting load is applied during a cutting process to obtain the same surface roughness although the cutting insert is fed at high speed and to thus obtain high efficiency and high productivity. The diamond-shaped cutting insert includes an upper part and a lower part, a top surface and a bottom surface that are lower than the upper part and higher than the lower part, respectively, side parts for connecting the top surface to the bottom surface, corner parts for smoothly connecting the side parts to each other, a cutting edge formed by crossing the top surface, the bottom surface, the side parts, and the corner parts, and a chip breaker formed from the cutting edge to between the top surface and the bottom surface.
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