Cutting edge measuring device for machine tool
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United States of America Patent
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-
Jul 4, 2000
Grant Date -
N/A
app pub date -
May 20, 1998
filing date -
May 20, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cutting edge measuring device is disclosed, which is simple and small-sized in its construction. The cutting edge measuring device comprises: an arm 13 provided on a headstock 7 and movable between the retracting position A at which the arm does not interrupt a workpiece chucked in a main spindle and the working tool T and the measuring position at which measurement of the cutting edge is carried out; sensors 14a provided on the arm 13 and detecting the cutting edge position at an offset position from the axis of the main spindle with contacting or non-contacting fashion so as to transmit detecting signals; and positioning means 15, 27b, 28b for positioning and retaining the arm 13 at the measuring position B. By this arrangement, the cutting edge measuring device ensures measurement of the cutting edge while a workpiece is chucked in the main spindle.
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