A mandrel 76 disposed internally of {TAIL ~ the cam member} 24 reciprocates into the tube 20 to prevent {HEAD ~ the tube} from deforming during the cutting operation 
A mandrel 76 disposed internally of { TAIL ~ the cam member } 24 reciprocates into the tube 20 to prevent { HEAD ~ the tube } from deforming during the cutting operation
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH