Sikorsky Aircraft Corporation

William Patrick Murphy

Yuriy Gmirya

Bruce D Hansen

Edward H Bittner

Christopher John Mussel

A method of manufacturing a gear, the method includes applying a first charge to a workpiece and applying a second, opposite charge to an electrochemical machining (ECM) attachment, the ECM attachment having a pattern. The method further includes simultaneously forming a plurality of surfaces of a gear tooth in the workpiece using the pattern of the ECM attachment while applying the first charge to the workpiece and applying the second charge to the ECM attachment and turning the workpiece and the ECM attachment in opposite rotational directions. The plurality of surfaces includes at least one end face and a top land of the gear tooth.

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Monroe, CT, United States of America

William Patrick Murphy