deburring, polishing system by abrasive flow machining (afm)

at the heart of extrude hone extrude hone patented the abrasive flow machining (afm) process in the 1960s as a method to deburr, polish and radius difficult-to-reach surfaces. the typical afm process (two-way flow) uses ......at the heart of extrude hone extrude hone patented the abrasive flow machining (afm) process in the 1960s as a method to deburr, polish and radius difficult-to-reach surfaces. the typical afm process (two-way flow) uses two vertically opposed cylinders which extrude an abrasive media back and forth through passages formed by the workpiece and tooling. abrasive action occurs wherever the media enters and passes through the most restrictive passages. the extrusion pressure is controlled between 7-200 bar (100-3,000 psi), as well as the displacement per stroke and the number of reciprocating cycles. one-way afm systems flow the abrasive media through the workpiece in only one direction, allowing the media to exit freely from the part for fast processing, easy cleaning and simple quick-exchange tooling.