Accordingly, if the ram is to be descended by the self weight, {HEAD ~ the ram} is descended at {TAIL ~ a speed} equal to or lower than a ram self weight maximum falling speed at which the workpiece is not bent even if the punch contacts with the workpiece 
Accordingly , if the ram is to be descended by the self weight , { HEAD ~ the ram } is descended at { TAIL ~ a speed } equal to or lower than a ram self weight maximum falling speed at which the workpiece is not bent even if the punch contacts with the workpiece
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH