MACHINE TOOL AND CUTTING METHOD
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United States of America Patent
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Issued Date -
Jan 3, 2019
app pub date -
Nov 15, 2016
filing date -
Nov 15, 2016
priority date (Note) -
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Abstract
A machine tool for cutting a workpiece having an inclined surface includes a main spindle that rotates while holding the workpiece, a tool post that holds a cutting tool to cut the inclined surface of the workpiece, a mover that relatively moves the workpiece and the cutting tool in a direction including at least a Y-direction perpendicular to both a Z-direction parallel to an axis of the main spindle and an X-direction that is perpendicular to the Z-direction and determines the amount of cutting of the workpiece. The mover includes a Y-direction guide disposed on the tool post, the Y-direction guide guiding movement of the cutting tool in the Y-direction, and the Y-direction guide has a guide surface along a surface perpendicular to a direction of a thrust force that occurs when cutting the inclined surface using the cutting tool.
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