The working principle of the twin screw extruder barrel body is a question we interviewed professional operators of the twin screw extruder barrel body. Below is a summary of what we found out.
For the twin screw extruder barrel body, many plastic machinery manufacturers, twin screw extruder manufacturers, and research departments have conducted in-depth research on its working principle and technology, and there are already clear standards and evaluations for it. However, there are still many areas worth studying for the twin screw extruder barrel body.
Extrusion principle: solid conveying, melting, pressurization and pumping, mixing, venting, and devolatilization, but it is not just that. The study of the theory of the twin screw extrusion started late, and with its many types and complex screw geometry, the extrusion process is complex, which brings many difficulties to the research.
Overall, the theoretical research of the twin screw extruder barrel body is still in its infancy, which is why it is said to be "more skilled than scientific".
To establish a mathematical and physical model of the change law of the state of the polymer in the extrusion process, the conveying principles of solid and melt, exhaust truth, and rules, which will guide the design and extrusion process optimization of the twin screw extruder.
To clarify the real situation of the state changes of two or more polymers and materials in the extrusion process, the mixing form, the process of structural changes, and the relationship between the post-mixed material and the performance.
As a twin screw extruder, to establish a model for guiding the reaction molding extrusion process, the reaction process, speed, performance and the internal connection between the screw configuration and operation conditions.
According to research, the twin screw extruder was first developed in Italy in the 1930s and developed rapidly in the late 1960s and early 1970s. And the lab scale twin screw extruder has developed rapidly recently.
The meshing and reverse twin screw extruder developed with RPVC products, while the meshing co-rotating twin screw extruder developed with polymer modification. The research of the theory of twin screw extrusion cannot meet the development of applications, and has reached a consensus worldwide, becoming a major challenge and a new profit growth point for the industry, laid in front of all the plastic machinery industry.
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