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The characteristics of the two stage type extruder and the planetary gear type extruder

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The characteristics of the two stage type extruder and the planetary gear type extruder

release date:2015-09-10 00:00 Source:http://www.sdob.cn Click:

The two stage type extruder (also called the two section type extruder), can be made of two single screw extruder in series, and can be made up of a twin screw extruder and a single screw extruder. Each has its own independent drive system and a heating cooling system. The first stage of the two - level extruder is larger, the screw groove is deep, and has a large heating power, the main conveying and plastic materials. The second screw diameter smaller, screw shallow groove, heating power is first class, but revolution is the first level high, mainly will first sent material is further plasticizing, and complete extrusion molding.

The two stage type extruder has the following advantages:

1) the mixing is uniform and the quality is high. Can also be used for processing grain processing, powder.

2) easy to exhaust. Can be adjusted by changing the speed of the two screw to adjust the exhaust.

3) because of the function of the screw, the screw can be used to support the reasonable.

Two) the length of the 4 section is smaller than the diameter of the screw.

5) production efficiency.

This kind of extruder is a section of the ordinary extruder. Plastics segment by the central screw and the meshing with around the center screw revolution and rotation of their own a few small screw and surrounded them with inner teeth of the barrel.

Planetary gear type extruder has high mixing efficiency, excellent quality and low melt temperature. Material in the material in the material in the residence time is short, has a good clean effect and energy saving advantages, especially suitable for hard PVC powder processing.

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