Main forms of extruders screws are as follows gradual change, abrupt change, wave, barrier, distributary, sepration, air discharge, pin, blending, head-variation, triple-head, etc. These are applicable to the process of different shapes of materials such as powder, pellet, flake and cotton-like materials and applied in the extrusion for sheet, pellet, carbon, food, chemical fiber etc.

Main forms of extruders screws are as follows gradual change, abrupt change, wave, barrier, distributary, sepration, air discharge, pin, blending, head-variation, triple-head, etc. These are applicable to the process of different shapes of materials such as powder, pellet, flake and cotton-like materials and applied in the extrusion for sheet, pellet, carbon, food, chemical fiber etc.