Extrude Hone Corporation

William L Walch

Edward J Rusnica, Jr

John M Greenslet

Ruth S Abt

Lawrence J Voss

An apparatus and method for abrasive flow machining the orifice () of a workpiece () by using an abrasive media () whereby the apparatus () is capable of passing media () through the orifice () at a predetermined pressure and at a constant flow rate. In the alternative, the apparatus () is capable of passing media () through the orifice () at a fixed flow rate by using variable pressure upon the media () through the orifice ().

Abrasive flow machining apparatus and method

An apparatus and method for abrasive flow machining the orifice of a workpiece by using an abrasive media whereby the apparatus may accommodate abrasive media having a range of viscosities by modifying the diameters of pistons and cylinders in positive displacement pumps within the apparatus.

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Greensburg, PA, United States of America

William L Walch