此款産品结構小, 正確開模, 無反作用力。 完全没有鎖模負載, 可用于低壓鎖模成形 。 其動作與合模順序無關 。 流道板先于分型面閉合時,鎖緊塊起到後退功能。
         lt with small frame, but open mold exactly and no  counteractive.no lock load,apply to low pressure lock molding.  It's action irrespective of compound molding sequence. Locking blocks have back function when hot runner plate close before devide face.