Automatic cutting condition changeover equipment

Details Automatic cutting condition changeover equipment Automatic cutting condition changeover equipment

1981-03-11

1983-05-10

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69G, 219 69P, B23P 108

Patent

active

043831605

ABSTRACT:
An automatic cutting condition changeover equipment for automatically changing over an electrical cutting condition of a wire-cut, electric discharge machine in accordance with the thickness of a work. The equipment is provided with a feed control circuit for controlling the cutting speed of the work so that a mean working voltage between a wire electrode and the work may be constant, an arithmetic logic unit for calculating a predetermined optimum cutting condition formula on an on-line basis, and electrical cutting condition changeover control circuit for changing a peak current of the power source of the wire-cut, electric discharge machine so that the output from the arithmetic logic unit may be reduced to substantially zero.

REFERENCES:
patent: 3731045 (1973-05-01), Ullmann et al.
patent: 4078163 (1978-03-01), Bell, Jr. et al.

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