Machining jig and machining method
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United States of America Patent
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Aug 11, 2020
Grant Date -
Oct 17, 2019
app pub date -
Jun 7, 2017
filing date -
Jul 12, 2016
priority date (Note) -
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Abstract
A machining jig holds a workpiece with respect to a tool that partially removes an outer peripheral surface of the workpiece. The machining jig includes a first jig including an inner peripheral surface having a shape similar to a contour of the workpiece and an outer peripheral surface including a first inclined section inclined with respect to an axial direction of the workpiece; a second jig including an inner peripheral surface including a second inclined section configured to be fitted to the first inclined section; a base to which the second jig is coaxially fixed; and a sliding mechanism that enables a large-diameter portion of the first inclined section and a small-diameter portion of the second inclined section to move toward and away from each other. The sliding mechanism of the machining jig causes the small-diameter portion of the second inclined section to press the large-diameter portion of the first inclined section so that compressive stress is applied to the outer peripheral surface of the workpiece at a position near a portion to be removed by the tool.
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