D.C. motor driven EDM head

Details D.C. motor driven EDM head D.C. motor driven EDM head

1985-09-23

1987-02-17

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69W, 219 69E, B23P 100

Patent

active

046441255

ABSTRACT:
An EDM head has a single servo-controlled electric motor and a high ratio gear system that drives a wire electrode during both an EDM machining operation and a wire erosion compensation operation. An associated control system can be programmed to selectively drive the electrode to compensate for wire erosion and to control blind hole breakout.

REFERENCES:
patent: 3125700 (1964-03-01), Bentley et al.
patent: 4039779 (1977-08-01), Rupert
patent: 4191878 (1980-03-01), Check et al.
patent: 4361745 (1982-11-01), Rupert et al.
patent: 4423302 (1983-12-01), Shimizu
patent: 4436976 (1984-03-01), Inoue
patent: 4479044 (1984-10-01), Inoue et al.

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