Electrical discharge apparatus and electrical discharge machinin

Details Electrical discharge apparatus and electrical discharge machinin Electrical discharge apparatus and electrical discharge machinin

1996-10-25

1998-11-24

Evans, Geoffrey B.

Electric heating

Metal heating

Cutting or disintegrating

219 6913, 219 6914, 219 6916, B23H 100, B23H 102

Patent

active

058410937

ABSTRACT:
A machining operation end position detecting unit detects the end position for a machining operation at a (k-1)-th step. A machining operation starting position detecting unit detects the starting position for the machining operation at a k-th step. A machining position comparison unit compares them with each other. If the difference between them is less than a predetermined value, a signal is output to a machining condition changing unit and a control valve. As a result, the machining condition is changed, and a powdered substance is fed into a working fluid.

REFERENCES:
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patent: 4510365 (1985-04-01), MacGregor et al.
patent: 4527034 (1985-07-01), Inoue et al.
patent: 4603391 (1986-07-01), Inoue et al.
patent: 4673791 (1987-06-01), Konno et al.
patent: 5118915 (1992-06-01), Magara
patent: 5386094 (1995-01-01), Kawai et al.
patent: 5496984 (1996-03-01), Goto et al.

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