Semi-automatic wire-threading device for electroerosion machines

Details Semi-automatic wire-threading device for electroerosion machines Semi-automatic wire-threading device for electroerosion machines

1994-03-04

1996-02-27

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 710

Patent

active

054950864

ABSTRACT:
Semi-automatic wire threading device for electroerosion machines, which has a main wire traction wheel in the lower head placed immediately below the piece to be machined, there being located at the outlet of said traction wheel a first guide funnel that discharges into a second funnel whose outlet has a funnelled shape projecting into an enclosure with a compressed air inlet and facing the inlet of an outlet guide tube, and there being provided, at the outlet of the guide tube, two wheels, one an auxiliary traction wheel and the other a loose wheel.

REFERENCES:
patent: 5045662 (1991-09-01), Yamada
patent: 5073691 (1991-12-01), Magara et al.

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