Apparatus for detecting and indicating the balance of a rotary body in a machine tool
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United States of America Patent
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Mar 28, 1989
Issued Date -
N/A
app pub date -
Dec 22, 1987
filing date -
Oct 9, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an apparatus for detecting and indicating the balance of a rotating body such as a grinding wheel, a spindle or the like in a machine tool such as a grinding machine. The apparatus comprises an original-point detecting means for detecting an original point on the rotating body, a vibration detecting means for detecting vibration caused by an unbalanced condition of the rotating body, an arithmetic means for computing, from the detected vibration, a deviation of said rotating body in each of a plurality of index positions on the rotating body which are angularly spaced from said original point as a reference, a deviation display means for displaying the maximum value of the deviations, and an unbalanced position indicating means for indicating one of the index positions based on the computed deviations.
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