Machine tool
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Jun 3, 2015
filing date -
Jun 18, 2014
priority date (Note) -
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Abstract
The machine tool 1 for machining a hole 3a of a desired size in a workpiece 3, includes: a main shaft 30 holding a tool 2; a spindle unit 40 including a spindle 41 which holds the shaft 30 rotatably on the axis r of rotation, and a housing 42 which covers the periphery of the spindle 41; a drive unit 50 for holding the unit 40 tiltably with respect to the workpiece 3 held by a holder 20, and for moving the unit 40 relative to the workpiece 3; a mount 70 extending from the housing 42 toward the periphery of the shaft 30; and a control section 90 which, based on the results of measurement by distance measurement sensors 82 held by the mount 70, controls the unit 50 so as to correct the inclination of the shaft 30 with respect to the workpiece 3.
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