Screw for special resin of injection molding machine

摘要

(57) Abstract Topic Thread portion and the trough smoothly the buff the attendant which finishesWhen it comes and plasticizing special resin with the screw, chiCancelling the dispersion of yaji time, stability plasticization state profitru. Solutions In the screw for the injection molding machine, the feeThe surface roughness of the counter acting face of the thread portion in dozon, maximum height above rail level(Rmax) with it made 4S or 10S.