customize Extruder screw oem
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Extruder single screw & barrel Specification range:Ø20 –Ø500 mm( L/D = 15~55) MOQ:1 set Customization:Available(OEM/ODM Accepted) Packaging:Wooden Case with Anti-Rust Oil Trademark:Guangyou Screw
Single Screw Extruder Screw and Barrel
Extruder barrel, screw specifications: Ø20mm ~ Ø500mm Aspect ratio: L/D = 15~55
Pin screw, barrel specifications: Ø20mm ~ Ø650mm Cold and hot feeding screw specifications: Ø20mm ~ Ø650mm Screw structure and compression ratio can be designed according to different products and different accessories
Extruder barrel, screw specifications: Ø20mm ~ Ø500mm Aspect ratio: L/D = 15~55
Guangming Plastics is a leading company and manufacturer specializing in best extruder screw customization, offering OEM, wholesale, and customized solutions with complete pricelists and quotations.
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Comparison and difference between injection molding machine barrel screw and extruder screw
There are many differences between the barrel screw of injection molding machine and the extruder screw. The following is a brief introduction to the comparison and difference between the barrel screw of injection molding machine and the extruder screw. Injection molding machine barrel screw and extruder screw on the processing data are also different, the viscosity of the material is not the same. The barrel screw of the injection molding machine requires that the plastic raw material can flow in the mold, and the extruder screw is generally bent and narrow, so the fluidity of the plastic raw material must be better.
Fracture Causes and Maintenance Methods of Extruder Screw
Modern plastic extruders widely use combined screws, distributed mixed screws, and barriers or pins on the screws to improve plasticization, production capacity and product quality. The combined quality of the two parts of the screw and the barrel has an important impact on the plasticization of the material, the quality of the product and the production efficiency. Their quality is related to the manufacturing accuracy and assembly clearance of the two parts. When the two parts are seriously worn and the output of the extruder is reduced, the maintenance of the screw and barrel should be arranged. The screw is operated under high load stress, but the operating speed is low, so it is operated under high stress and low alternating frequency.
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Extruder screw planning considerations
The extruder barrel is filled with plastic and closely matched with the screw. For normal operation, the following important characteristics should be noted. 1. Screw barrel shall be straight. 2. The planning of the screw barrel should be able to enjoy the working pressure of the extruder. These pressures may be as high as 70-140MPa(10000-20000psi), and even higher in injection molding. 3. The inner wall surface of the screw barrel should be more wear-resistant than the extruder screw, because the screw is easier to replace than the screw barrel, and the reprocessing is cheaper than the screw barrel. 4. The support at the rear end of the screw barrel shall be a sliding support, which shall expand when the screw barrel is heated. Rigid support will cause bending of the screw barrel, which may
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