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 {TAIL ~ a punch} and a die 
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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 { TAIL ~ a punch } and 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH