{TAIL ~ A position} of the ejector pins immediately before the detected elastic force of {HEAD ~ the springs} exceeds the retaining force of the brake device is determined and displayed on a display device as a criterial position 
{ TAIL ~ A position } of the ejector pins immediately before the detected elastic force of { HEAD ~ the springs } exceeds the retaining force of the brake device is determined and displayed on a display device as a criterial position
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH