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First. structure features

1、The primary and secondary extruding machines are both adopted big length-diameter ratio of the screw, to make good effect plasticization, which ensures thequal thickness and smoothness of the sheet;

2、Electric or hydraulic rapid net changing device is equipped;

3、The divider and die head of the out composite design make proportion of the lamination layer easy to adjust;

4、Motor with reducer to link the three rollers singly, ensuring the requirement of speed for technology of sheet;

5、Unique mold temperature device can adjust the temperature of the three rollers to eliminate internal stress of the producing sheets.