... 1.twin screw measuring feeder 2.AC motor,frequency speed regulation 3.interlock protection with machine 4.block type screw. ... hot cutting,conveyer belt drawing bar.1.Adopt twin screw measuring feeder,feed with equality and without bridging ... -4828-4828-4828-4828-48Max rotation speed of screw(rmp)600500500500500main motor power(kw)15-18.537 ... -300250-350350-500 SJP Series Parallel twin screw extruder