Electric discharge machine with mechanism for orbiting the elect

Details Electric discharge machine with mechanism for orbiting the elect Electric discharge machine with mechanism for orbiting the elect

1978-05-01

1980-10-28

Reynolds, B. A.

Electric heating

Metal heating

Cutting or disintegrating

B23P 112

Patent

active

042309263

ABSTRACT:
An electric discharge machine has an electrode and mechanism for driving the electrode on an orbital path. The electrode is mounted on an electrode holder having an upstanding post. The electrode is driven on its orbital path by a rotor about the post. There are two resiliently loaded drive arms mounted on the rotor and engaged with the post at circumferentially spaced points so that the post is subject to the compound driving force of both drive arms. Centering mechanism is provided to restore the electrode to a centered position with respect to its orbit in the event of a short circuit between the electrode and the workpiece, thus to break the short circuit.

REFERENCES:
patent: 3535578 (1970-10-01), Rayner
patent: 3539754 (1970-11-01), Furze et al.
patent: 3809852 (1974-05-01), Weber
patent: 4104501 (1978-08-01), Wyss

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