... electric motor Power 75kw/6Running speed 980rpmVoltage AC 380V2.7 Heating system of barrelHeating method Cast-aluminium heaterHeating tier number 9 ... , speed-reducing box, dividing box, feeding system, screws, barrel, stander, cutter, and heating and cooling devices.4.2 The electric motor ... service life of screw longer.4.7 In terms of heating segment, the outside circle of barrel uses the aluminum ...