The injection molding machine screw has many advantages […]
The injection molding machine screw has many advantages, but during the production process, we need to pay attention to the maintenance and maintenance of the injection molding machine screw. If the contact part of the nozzle and the mold positioning sleeve has single-sided contact or poor contact, the front end spherical R part will be deformed The melt escapes from the groove, causing the nozzle to overflow, and the caliber is partially deformed. Therefore, overflow should be checked and repaired in time. The threaded part of the nozzle and the sealing surface on the side of the cylinder should be checked regularly. If severe wear or corrosion is found, it should be replaced in time. Therefore, we need to check the internal passage of the screw nozzle of the injection molding machine. Through the air jet, the surface quality of the molten strip can be observed, and the residual melt discharged from the nozzle can more accurately reproduce the flow channel condition in the nozzle.
Advantages of injection molding machine screw:
1. The screw structure of the injection molding machine is simple and the price is low.
2. The screw of the injection molding machine is suitable for the plasticization and extrusion of polymers and the extrusion and processing of pellets. The shear degradation of the polymer is small, but the material stays in the extruder for a long time.
3. The screw control of the injection molding machine is simple, and the technical control is simple.
4. The screw of the injection molding machine has excellent mixing and plasticizing ability, and the material stays in the extruder for a short time, which is suitable for powder processing.