... feeding power 1.5KW, imported frequency control, horizontal screw feeder to make sure the continuity of feeding(2) ... Side forcing feeder power1.5KW,imported frequency control(3) KS-75 double-screw extruder L/D=40 ... -Ni-B+ Carbide) HRC60-64. rectangle.(6) Screw:diameter: 72mm,made by hi-speed stell W6Mo5Cr4V2, ... HRC60-64,hi-impedance ,the screw can be taken down and installed as the ...