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The role of the plastic extruder:
Extruder is a common equipment for industrial production, widely used in plastic processing, fiber manufacturing, food processing and other fields. The main function of the extruder is to make plastic products with strong plasticity and stable performance through multiple steps such as high-temperature melting, extrusion and cooling molding.
Suitable for the production of PP, PE, PS, ABS, PA, PVC, PC, POM, EVA, LCP, PET, PMMA and other plastic regeneration and color mixing materials. The reducer adopts the design of high torque, which realizes the performance of no noise and smooth operation. Screw, barrel after special hardening treatment, with wear resistance, mixing performance is good, high yield characteristics. The design of vacuum exhaust or ordinary exhaust port can discharge water and exhaust gas in the production process, and the particles are more stable and the colloidal particles are stronger to ensure the excellent quality of the products
The working principle of the plastic extruder mainly includes the following steps:
1. Feeding: Add plastic raw materials to the hopper.
2. Conveying and compression: the screw rotates in the barrel, transporting the raw materials forward and gradually compacting.
3. Heating and plasticizing: the heater outside the barrel heats the raw material, and the shearing and mixing of the screw plasticizes the raw material into a molten state.
4 Extrusion molding: Under the push of the screw, the molten plastic is extruded through the head to form the required product shape.
5. Cooling and shaping: The extruded products are cooled and shaped by the cooling device and finally processed.
Plastic pipe extrusion line
Equipment composition and characteristics:
1. Extruder host: According to the raw materials can choose single screw extruder and cone type twin screw extruder, control cube can choose full computer controller and intelligent temperature control meter control, all models are energy-saving frequency control; Screw barrel adopts the best screw brand in the industry, with high precision and strong plasticizing ability;
2. The mold adopts imported S136 thermal stability extrusion mold special steel, smooth mirror runner,
3, cooling type sink: cooling type sink all use imported SUS304 stainless steel bending molding, precision automatic vacuum sizing, product accuracy and stability in the forefront of the industry. Three-dimensional adjustable frame, easy to operate, simple structure.
4, precision traction machine: surface foam PU multi-type belt traction machine, the effective length of the belt according to the different products, can be 0.6 to 3 meters, high-precision frequency control, 0-60 meters/minute stepless adjustable, stable traction speed, good linearity.
5, automatic cutting machine: according to different product requirements, choose different types of cutting machine, such as: saw blade cutting machine, pneumatic alloy blade cutting machine, ring cutting machine, full computer servo motor cutting machine, all cutting machine, even online precision cutting, cutting accuracy can reach 0.5MM.
6, automatic winder: according to different products with different specifications of winder, all winder equipped with constant tension control, high-speed wiring device, fast change disk winder, etc., can choose single station, double station, multi-station work together.
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