Numerical control unit and NC program creating unit
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United States of America Patent
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Apr 30, 2019
Grant Date -
Sep 17, 2015
app pub date -
Mar 9, 2015
filing date -
Mar 12, 2014
priority date (Note) -
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Abstract
A numerical control unit is provided that can change an override value according to various workpiece materials and can extend the tool life. A numerical control unit includes a variation storage unit that stores a variation in override value of a feed speed or a spindle speed for each workpiece material, an override value setting unit that sets the override value based on the variation in override value according to the material of a workpiece being machined; and a control unit that changes the feed speed or the spindle speed based on the override value.
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