The WPC extrusion line consists of material feeder, extruder, vacuum calibration table, hauling machine and cutter and stacker. properties: 1),The screws and barrel are made of 38CrMoAlA, with nitriding processing. 2),reducer with hard gear surface are applied, run steadily, lower noise 3),speed of main motor and feeder motor are control by ABB inverter 4),calibration table has four sets of ...