Helically fluted tool
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United States of America Patent
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-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Jun 9, 1992
filing date -
Jun 9, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary cutting tool has a plurality of helical channels located in the body of the rotary cutting tool. Individual cutter segments are bonded within each helical channel to form a continuous helical cutting edge that is machined to a finished state. An area of the tool body adjacent to the helical channel is removed to create helical flutes. Preferably, the segments are cut from disks of polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN).
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