Plastic Extruder


Single screw extruder

Single screw extrusion machine is applicable in processing pipes, plates, sheets, rods, profiles and plastic pellets made from PP, PE, PS, ABS, PMMA, PVC and other thermoplastic materials. The aspect ratio and compression ratio of screw, and the structure of machine barrel varies according to different materials and product specifications to meet diversified processing requirements. To meet the highest processing standards, operators can choose the barrels, screws, and driving system that best suit their applications.

Adopting frequency control and speed reducer, the extrusion machinery features low noise, stable running, large bearing capacity and long service life. Upon clients’ request, computer control or conventional control system is available.


 

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Conical twin screw extruder


Conical twin screw extruder is a kind of highly efficient equipment for extrusion of heat-sensitive materials like PVC powder. High-speed extrusion of PP/PE tubes can also be realized by changing the barrel screw. The plastic extruder is distinguished for low cutting rate, uniform plasticizing and mixing result, high output, stable quality, wide application, and long service life. For the main motor, SCR speed regulator or variable-frequency stepless speed controller is optional. The motor features a stable output torque. In the extrusion process, the materials are not easy to get decomposed, and PVC powder can get formed directly.

With the matching molds and auxiliary parts equipped, the plastic extruding machinery is competent in directly extruding thermoplastic materials especially UPVC into plastic tubes, plates, sheets, bars, films, and profiles. The modification and pelletizing process of various plastic can also be finished with Z-SJZS series conical twin screw extruder.



Parallel twin-screw extruder

Parallel twin-screw extruder is suitable for extruding all kinds of PVC powder. Equipped with different molds and auxiliary parts, it can be used to produce various PVC plastic tubes, profiles, plates, sheets, bars, and pellets. For cooling system, we adopt internal circulation cooling for screws, and air cooling for barrel.

Plastic extruder is controlled by computer, which determines the optimal screw for clients according to the material formula. Parallel twin screw extruder features small shear force, making it particularly suitable for extruding large-diameter pipes or processing profiles under high speed.

 


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Applications of Single-Screw Extruder


1. Our plastic extruders are widely used for extruding plastic pipes, plastic profiles, plastic sheets, plastic bars, and plastic pellets from thermoplastic materials like PP, PE, PS, ABS, PMMA, and PVC, etc.

2. Plastic pipe extruding: PP-R pipe, PE gas pipe, PEX cross-linked pipe, aluminum-plastic composite pipe, ABS pipe, PVC pipe, HDPE silicon core pipe and a variety of co-extruded composite pipes

3. Plastic sheet and plate extruding: PVC, PET, PS, PP, and PC materials, etc.

4. Plastic profile extruding: users can utilize the extruder to produce PVC and Polyolefins plastic profiles by adjusting the speed of the extruder or structure of the screw

5. Plastic modification and pelletizing: applicable in mixing, modifying, and pelletizing of various plastic