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Changshu da plastic products factory talk about pipe smoothly process temperature control parameters
by：CSSSLD
2021-02-03
In plastic extrusion process parameter control is crucial, for the following works of plastic products factory in changshu extrusion process temperature parameter control of the pipe and you talk about.
1. Extruder temperature control: the model of products of the specific formula, extruder, the nose structure, the screw rotation speed and the error of the temperature control system equipment.
2. Screw temperature: a. Decrease the temperature of screw can increase production;
b. For heat-sensitive materials can reduce the temperature of the screw to prevent screw pipe wall caused by friction heat overheating coarse;
c. Decrease the temperature of screw can make the plastic good plasticizing, pipe inner surface finish;
d. Screw temperature too low back pressure increases, the output will reduce, will happen even material to squeeze out, such as screw, bearing damage caused the accident;
e. Screw should be controlled on cooling water temperature is not lower than 70 ℃.
3. Cooling water temperature: a. Cooling water temperature control in the process of plastics pipe extrusion has a direct influence the quality of tubing. If the water temperature is higher when the cooling water available through enhancing the effect of cooling water;
b. For easy to produce internal stress of pipe fittings should control the temperature of the cooling water.
1. Extruder temperature control: the model of products of the specific formula, extruder, the nose structure, the screw rotation speed and the error of the temperature control system equipment.
2. Screw temperature: a. Decrease the temperature of screw can increase production;
b. For heat-sensitive materials can reduce the temperature of the screw to prevent screw pipe wall caused by friction heat overheating coarse;
c. Decrease the temperature of screw can make the plastic good plasticizing, pipe inner surface finish;
d. Screw temperature too low back pressure increases, the output will reduce, will happen even material to squeeze out, such as screw, bearing damage caused the accident;
e. Screw should be controlled on cooling water temperature is not lower than 70 ℃.
3. Cooling water temperature: a. Cooling water temperature control in the process of plastics pipe extrusion has a direct influence the quality of tubing. If the water temperature is higher when the cooling water available through enhancing the effect of cooling water;
b. For easy to produce internal stress of pipe fittings should control the temperature of the cooling water.
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