This invention relates to a plate thickness detection method and a plate thickness detection apparatus for a press which presses a workpiece by {HEAD ~ the cooperation} of a punch and {TAIL ~ a die} 
This invention relates to a plate thickness detection method and a plate thickness detection apparatus for a press which presses a workpiece by { HEAD ~ the cooperation } of a punch and { TAIL ~ a die }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL