Apparatus for automatically stopping operation of cutting machine
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United States of America Patent
Stats
-
Mar 26, 1991
Grant Date -
N/A
app pub date -
Jan 17, 1989
filing date -
Jan 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a cutting machine having a spindle drive motor, a die head which holds at least one cutting tool, and an automatic tool retracting means on the die head for detecting the completion of the cutting operation of a pipe to be cut by the cutting tool to automatically retract the cutting tool to its inoperative position, an automatic operation stopping apparatus including a detecting unit for detecting the operation of the automatic tool retracting unit and a switch for automatically breaking the electrical connection of the spindle drive motor in response to the detection by the detecting unit.
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