Out flushing guide bushing

Details Out flushing guide bushing Out flushing guide bushing

2005-05-24

2005-05-24

Evans, Geoffrey S. (Department: 1725)

Electric heating

Metal heating

Cutting or disintegrating

C219S069140

Reexamination Certificate

active

06897400

ABSTRACT:
A guide bushing for use in association with electrical discharge machining (EDM) apparatus including a rotatable electrode defining a longitudinal axis, is provided. The guide bushing includes a body portion defining a bore therethrough for receiving at least a portion of the electrode therein. The bore includes a proximal portion sized to be in contact with an outer surface of the electrode, an intermediate portion sized to be spaced from the electrode, and a distal portion sized to be at least partially in contact with the outer surface of the electrode.

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