Electrical discharge machining apparatus

Details Electrical discharge machining apparatus Electrical discharge machining apparatus

B - Operations, Transporting

23

H

327/31

B23H 7/26 (2006.01)

Patent

CA 1075776

ABSTRACT OF THE DISCLOSURE REFEEDING OF ELECTRODES IN ELECTRICAL DISCHARGE MACHINING APPARATUS This invention relates to an electrical discharge machining apparatus for machining a workpiece. The apparatus comprises an electrode cartridge arranged to contain at least one electrode, the cartridge being mounted for rectilinear movement with respect to a nose guide of the apparatus with part of the length of the or each electrode supported in the nose guide, a clamp releasably clamping the or each electrode in the cartridge and means offering frictional resistance to the passage of the electrode or electrodes through the cartridge when the clamp is released. Means are also provided for advancing the cartridge and the electrode or electrodes towards the nose guide, the electrode or electrodes being received back into the cartridge upon striking the workpiece. The invention also comprises a method of receiving one or more electrodes in an electric discharge machining apparatus.

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