PROCESSING MACHINE WITH NUMERICAL CONTROL APPARATUS
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United States of America Patent
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Issued Date -
Oct 4, 2001
app pub date -
Oct 18, 1999
filing date -
Dec 1, 1997
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A milling cutter is moved relative to a workpiece rotating about a given axis to thereby cut the workpiece into a last. A milling cutter moving apparatus moves the milling cutter in accordance with movement data stored in a memory. The movement data is such that when the milling cutter is moved relative to the rotating workpiece in accordance with the movement data, the cutting edge of the milling cutter, at each of the rotational positions of the workpiece, is at a location where it would contact the surface of the last if the last were rotated about the given axis.
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