Jump control system for an electric discharge machine

Details Jump control system for an electric discharge machine Jump control system for an electric discharge machine

1991-01-02

1992-05-26

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6913, 219 6919, B23H 732, B23H 720

Patent

active

051170833

ABSTRACT:
A jump control system for an electric discharge machine for controlling a jump of the electrical discharge machine. A discharge state is estimated from a discharge voltage (Vn, Vm, Tn) and a discharge current (In) between an electrode (34) and a workpiece (35), and a fuzzy inference is effected by a fuzzy control unit (12) using the estimated discharge state as an input, thereby obtaining an increment (.delta.T) of a jump period and an increment (.delta.D) of a jump distance. A jump period/distance modifying means (23) is used to obtain the jump period (T) and the jump distance (D), and a jump control means (24) executes a jump control based on these values, to thereby effect an electrical discharge machining. Thus, the machining speed can be increased, and the electrical discharge machining state can be improved.

REFERENCES:
patent: 3739136 (1973-06-01), Marendaz
patent: 3909577 (1975-09-01), Houman
patent: 4335436 (1982-06-01), Inoue
patent: 4504722 (1985-03-01), Kishi et al.
patent: 4700039 (1987-10-01), Konno et al.
patent: 4822970 (1989-04-01), Levy et al.
patent: 4952790 (1990-08-01), Futamura

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