Cutting insert with curved cutting edge
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 25, 2005
Grant Date -
Feb 26, 2004
app pub date -
Aug 16, 2001
filing date -
Aug 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutting insert for a milling machining adapted to be mounted on a milling cutter to carry out cutting operation and having primary and secondary cutting edges provided at sides of a rectangular body, each primary cutting edge having a curved line tangential to the adjacent secondary cutting edge, to reduce the cutting force and improve flatness of the side surface of a machined workpiece. The cutting insert includes an upper face, a bottom face and a plurality of side faces connecting the upper face and the bottom face. The primary cutting edge has chip breakers for guiding chip flow, primary cutting edge land faces and primary cutting edge clearance faces. The primary cutting edges enable a bottom surface and a side surface of a machined workpiece to have a right angle therebetween.
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