During the spinning process of extruder screw, the plastic is plasticized by screw edge

Qingdao Haixi anti-corrosion insulation equipment tells you: the extruder screw in the rotation process, mainly rely on the screw edge plastic plastic shear;

Extruder screw is an important part of plastic machinery equipment, and its plasticizing effect and output are related to the extruder. Extruder screw within the cylinder rotate at work, will come under high temperature and high pressure torsion refused, because it is in the process of rotation to push material moving forward, at the same time, to withstand strong friction and plastic decomposition corrosion gas erosion, so the extruder screw materials must have high mechanical strength, can bear larger torque, under high temperature and high pressure, the deformation.

Extruder screw in the rotation process, mainly by screw arris to plasticizing shear, plastic and plastic pushed forward, so screw arris under high shear stress and friction, due to long time work in harsh conditions, screw edge wear and screw arris smaller, with the gap between cylinder, so as to reduce the amount of plastic extrusion, serious when produce plastic flow, and plasticizing effect is reduced, a drop in grain production capacity and serious phenomenon. So it is very necessary to master the screw design of granulating extruder.

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