Machine tool and workpiece flattening method
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United States of America Patent
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Nov 6, 2018
Grant Date -
Mar 22, 2018
app pub date -
Sep 14, 2017
filing date -
Sep 16, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A machine tool includes one tip arranged on the spindle at a position that faces the table, a cutting edge position storing unit that stores therein multiple measured values that are obtained by performing measurement of the position of the tip at least two times in a state where the spindle is set at at least one phase and the tip is positioned at an identical point, a spindle tilt angle calculating unit that calculates a tilt angle of the spindle with respect to an XY-plane, based on the multiple measured values, and a coordinate system rotation unit that rotates the XY-plane about at least one of X-axis and Y-axis, based on the tilt angle of the spindle calculated by the spindle tilt angle calculating unit.
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