Automatic adjustment of the initial height of a flame cutter to

Details Automatic adjustment of the initial height of a flame cutter to Automatic adjustment of the initial height of a flame cutter to

1979-10-23

1981-08-18

Envall, Jr., Roy N.

Electric heating

Metal heating

By arc

21912402, 2191241, 219121PY, 219121PT, 33185R, B23K 910

Patent

active

042848717

ABSTRACT:
The initial height of a flame cutter to a workpiece located under a liquid is automatically adjusted by jointly moving the flame cutter and a sensor toward the workpiece before the cutting operation until the sensor touches the workpiece surface whereupon a signal is sent for turning off the height adjustment device and for removing the sensor from the workpiece.

REFERENCES:
patent: 3481247 (1969-12-01), Hayes
patent: 3809308 (1974-05-01), Roeder et al.
patent: 4017707 (1977-04-01), Brown et al.
patent: 4170727 (1979-10-01), Wilkins

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