An apparatus for machining {HEAD ~ a workpiece} to {TAIL ~ a predetermined contour} in accordance with a reference pattern comprises a cam mechanism which defines the reference pattern 
to
An apparatus for machining { HEAD ~ a workpiece } to { TAIL ~ a predetermined contour } in accordance with a reference pattern comprises a cam mechanism which defines the reference pattern
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH