Automatic feedback control for wire saw

Details Automatic feedback control for wire saw Automatic feedback control for wire saw

1976-09-08

1978-01-10

Whitehead, Harold D.

Stone working

Sawing

Endless

B28D 108

Patent

active

040673120

ABSTRACT:
To maintain a constant cutting pressure in the cutting wire of a stone cutting wire saw for efficient sawing, the sensor of a radio frequency inductive proximity switch is mounted near the bowed section of the sawing wire to monitor its degree of bow. When the bow of the wire is reduced after cutting down into the stone, modification of the sensor signal activates an output circuit of the proximity switch control module which turns on a wire down feed means to quickly reestablish the proper degree of bow and wire cutting pressure. The activation distance is so small that, for practical purposes, constant wire cutting pressure is maintained.

REFERENCES:
patent: 2674283 (1954-04-01), Dessureau
patent: 3090171 (1963-05-01), Stimson

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