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Share standards for extruder screw performance
Extrusion process is a complex process, which involves many factors. Facts show that it is one-sided to evaluate the performance of extruder screw only according to the productivity. As we all know, if the colleague with high output has high capacity consumption, the screw is not desirable. For another example, if the extrudate has a high temperature rise at the same time of high output, the cooling burden of the main and auxiliary engines will increase. In fact, such screws cannot be used at high speed, and their performance is not much better than that of ordinary screws at low speed.
Extrusion process is a complex process, which involves many factors. Facts show that it is one-sided to evaluate the performance of extruder screw only according to the productivity. As we all know, if the colleague with high output has high capacity consumption, the screw is not desirable. For another example, if the extrudate has a high temperature rise at the same time of high output, the cooling burden of the main and auxiliary engines will increase. In fact, such screws cannot be used at high speed, and their performance is not much better than that of ordinary screws at low speed.
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Sharing the Economic Factors of Extruder Screw Design
For any technical problem, it is totally wrong to ignore the economy of design. In some cases, the rationality of screw design must be analyzed more comprehensively, that is, from the perspective of economy.
Functional characteristics of exhaust screw
In the extrusion process, the gas to be discharged from the raw material includes three parts: the air brought in between the raw material particles; Moisture adsorbed on granular materials; Gases or liquids contained in raw materials, such as residual monomers, low molecular volatiles and water, etc.
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