Low force wire guide for EDM machine

Details Low force wire guide for EDM machine Low force wire guide for EDM machine

1987-04-29

1988-12-13

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

B23H 710

Patent

active

047912642

ABSTRACT:
A wire guide directs a wire electrode from a refeed mechanism in an electrical discharge machine EDM to a workpiece. The wire guide has a tension cap and a fixed wire guide body ceramic insert defining a precision guide slot for the electrode and wherein the tension cap is biased by a flex ring mounted on separated ends of the tension cap and body to retain them together. The biased tension cap has tapered surfaces at its exit end which produce a compound tension force on the electrode for maintaining a low friction force thereon during the life of the wire guide.

REFERENCES:
patent: 3517153 (1970-06-01), Check
patent: 3534922 (1970-10-01), Keith et al.
patent: 3730136 (1973-05-01), Okada
patent: 3775580 (1973-11-01), Scherbaum
patent: 4205212 (1980-05-01), Ullmann et al.

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