Nozzle elevating device for a wire cutting electric discharge ma

Details Nozzle elevating device for a wire cutting electric discharge ma Nozzle elevating device for a wire cutting electric discharge ma

1985-10-30

1987-06-23

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

219 69R, 267147, B23H 702, F16F 712

Patent

active

046754920

ABSTRACT:
A nozzle lifting apparatus for a wire cutting electric discharge machine consisting of a nozzle for supplying a processing liquid or dielectric fluid to the electric discharge section of a workpiece, the nozzle being provided on the lower section of an elevating rod vertically movably supported by an upper arm; a slide member provided vertically movably on the inside of a guide frame integrally provided on the elevating rod; and an elevating activation rod supported on the upper arm for vertically activating the elevating rod through the slide member and interlockingly linked to the slide member. A concave section formed in the guide frame of the nozzle lifting apparatus is provided with a shock absorbing member. The slide is also located in the concave section.

REFERENCES:
patent: 3609279 (1971-09-01), Giesbrecht
patent: 3748427 (1973-07-01), Baldwin
patent: 4238104 (1980-12-01), Hamilton
patent: 4439659 (1984-03-01), Shimizu
patent: 4468016 (1984-08-01), Pineau
patent: 4481095 (1984-11-01), Inoue
patent: 4495393 (1985-01-01), Janicke

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