Apparatus for automatically stopping operation of cutting machin

Details Apparatus for automatically stopping operation of cutting machin Apparatus for automatically stopping operation of cutting machin

1989-01-17

1991-03-26

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With control means energized in response to activator...

To control infeed

10 94, 10120, 408 15, 408 73, 408148, B23G 512

Patent

active

050024400

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.

REFERENCES:
patent: 3427672 (1969-02-01), Frank
patent: 3516327 (1970-06-01), Wilson
patent: 3545310 (1970-12-01), Porath et al.
patent: 4025219 (1977-05-01), Baumann et al.
patent: 4288181 (1981-09-01), Sakaguchi et al.
patent: 4329093 (1982-05-01), Maruyama
patent: 4604006 (1986-08-01), Shoji et al.

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