... motor, feeding power 1.5KW, imported frequency control, horizontal screw feeder to make sure the continuity of feeding(2) ... .5KW,imported frequency control(3) KS-75 double-screw extruder L/D=40:1(4) Gear case: ... Cr-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 ...