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What is the principle of twin-screw extruder? Its research direction is like this!

by:TENGDA     2022-12-19
As the production and processing technology of the twin-screw extruder is getting better and better, it not only needs to perform tasks such as feeding and plasticizing, but also needs to perform dehydration, drying and other technologies. In order to better meet the different needs of users, the twin-screw extruder The screw extruder must continuously improve its working efficiency, and it is also necessary to find ways to improve the product quality of the manufactured products. So what is the principle of twin-screw extruder? Its research direction is like this! Take a look!

What is the principle of twin-screw extruder?

1. The twin-screw extruder has the basic extrusion principles of the single-screw extruder: solid conveying, melt pressurization and pumping, mixing stripping and evaporation, but not limited to this. The development of twin-screw extrusion theory is relatively late, coupled with its wide variety, messy screw shape, and messy extrusion process, it brings many difficulties to the research.

2. Generally speaking, the research on twin-screw extrusion theory is still in the development stage, known as“more technology than science”. From the point of view of its entire extrusion process, there are about three parts: the rules of polymer state change during the extrusion process, the basic principles of transportation, the transportation of solid melts, the exhaust phase and the law, and the establishment of a mathematical physical model , used to guide the design of the twin-screw extruder and the optimization of the extrusion system process.

The research direction of twin-screw extruder is as follows:

1. The physical model and mathematical model of the twin-screw extruder are established to guide the design of the twin-screw extruder and the optimization of the extrusion process.

2. It is necessary to understand the relationship between two or more polymers and materials in the whole process of extrusion, the real state change, the mixing form, the whole process of structural change, and the later mixing and characteristics.

3. As a twin-screw extruder, it has established the inner connection between the whole reaction process, speed and characteristics of extrusion reaction molding, and the screw structure and operating conditions. It can be extruded through reaction molding.

The above is about the principle of the twin-screw extruder? Its research direction is like this. If you want to know more details, you can follow our next article update!

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