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In pressure at the same time, the plastic by external heat on one hand, on the other hand, the plastic itself in the process of the movement of compression, shear, mixing, due to internal friction also produced a lot of heat, under the joint action of external force and internal force, plastic temperature gradually increased, the physical condition also experienced a glassy state, high elastic state, the change of the viscous flow, generally speaking, mainly in the charging period of glassy state, in the middle of the screw thread gradually reduce part compression section, the material is mainly in the high elastic state, and gradually melt, and the material to the compressed back and segment in a viscous flow, the role when we said that the plastic has completely plasticizing, by plastic screw thrust will plasticizing constant pressure quantitative extrusion from the nose. Mechanical transmission principle: the products whether integrated or fission plastic granulator, all with motor as the prime mover, through direct type or triangle pass electric force to wheel reducer into the shaft (that is, the high-speed rotor) by reducer output (i.e., low speed shaft) through the connecting screw or approved by the low speed shaft coupling of thrust bearing spindle coupling screw, the screw according to the requirements of design and production technology requirements of torque and rotational speed to rotate at a constant speed, in order to achieve constant pressure after plastic plasticizing, quantitative, the purpose of continuous extrusion evenly.
Plastic after joining hopper, fell in the hopper smoothly on the screw, is biting, screw thread with the rotation of the screw is thread force in the direction of the nose, constitute a process of mechanical transmission. Plastic from loading port to the nose is running, because of the screw thread depth decreases gradually, also due to the existence of the filter and shunt plate and the nose resistance, formed in the course of plastic plasticizing process of high pressure, the very dense materials, and improve its heat conductivity, help plastic melt quickly, at the same time gradually increased pressure to make the original exists between material grain of gas discharge from the vent. In pressure at the same time, the plastic by external heat on one hand, on the other hand, the plastic itself in the process of the movement of compression, shear, mixing, due to internal friction also produced a lot of heat, under the joint action of external force and internal force, plastic temperature gradually increased, the physical condition also experienced a glassy state, high elastic state, the change of the viscous flow, generally speaking, mainly in the charging period of glassy state, in the middle of the screw thread gradually reduce part compression section, the material is mainly in the high elastic state, and gradually melt, and the material to the compressed back and segment in a viscous flow, the role when we said that the plastic has completely plasticizing, by plastic screw thrust will plasticizing constant pressure quantitative extrusion from the nose. Mechanical transmission principle: the products whether integrated or fission plastic granulator, all with motor as the prime mover, through direct type or triangle pass electric force to wheel reducer into the shaft (that is, the high-speed rotor) by reducer output (i.e., low speed shaft) through the connecting screw or approved by the low speed shaft coupling of thrust bearing spindle coupling screw, the screw according to the requirements of design and production technology requirements of torque and rotational speed to rotate at a constant speed, in order to achieve constant pressure after plastic plasticizing, quantitative, the purpose of continuous extrusion evenly.
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