Method and apparatus for electrochemically machining airfoil...

B - Operations – Transporting – 23 – H

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204/117, 204/86.

B23H 9/10 (2006.01) B23H 3/00 (2006.01) B23H 9/08 (2006.01)

Patent

CA 1333783

A method of forming a blisk from a workpiece is disclosed. The workpiece includes a blank having oppositely facing first and second faces defined by a radially inner housing, a radially outer top, a first edge, and a second edge. The method comprises the steps of: positioning first and second electrodes adjacent to the first and second faces, respectively, of the blank; supplying a positive voltage to the blank and a negative voltage to the first and second electrodes; channeling an electrolyte between the blank and the first and second electrodes for electro- chemically machining the blank; moving the first and second electrodes toward the first and second faces of the blank; and moving the workpiece toward the first and second electrodes.

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