Rotary table device, rotary table controller, program recording medium, and rotary table control method
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United States of America Patent
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Oct 5, 2021
Grant Date -
May 7, 2020
app pub date -
Oct 2, 2019
filing date -
Nov 2, 2018
priority date (Note) -
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Abstract
A rotary table device according to the present invention includes: a spindle that supports a table; a driving mechanism that drives the spindle; a load detection portion that detects a load of the driving mechanism; a clamp mechanism that inhibits rotation of the spindle; a rotation control portion that causes the driving mechanism to drive the spindle with a predetermined inspection pattern after the clamp mechanism starts releasing clamping; and a determination portion that determines whether good or not with respect to an operation of the clamp mechanism based on of change over time in the load detected by the load detection portion when the spindle is driven with the inspection pattern.
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