Process Flow of PVC Profile Making Machine

Application areas of plastic profiles: Plastic profiles are widely used in the production of building materials such as doors, windows, wall panels, ceilings, etc. They have the advantages of light weight, acid and alkali corrosion resistance, and good insulation performance. The profiles are made by the PVC profile making machine.

The production process of plastic profiles mainly includes the following steps:

Raw material preparation: Select suitable plastic resins, fillers, pigments, and additives based on the physical and chemical requirements of the required plastic profiles, and conduct quality inspections. Add various raw materials into the mixer according to the formula ratio for pre mixing, control the temperature, time, and stirring speed to ensure that the raw materials are fully and evenly mixed

Extrusion molding: The uniformly mixed material is added to a twin screw extruder and melted and plasticized under high temperature and high pressure. The molten material is extruded into the desired cross-sectional shape of the profile through the shaping and traction of the mold. The core of the extruder is double screw, which ensures that plastic particles are heated (180-300 ℃) in the screw and become viscous "dough"

Cooling and shaping: The extruded profile is rapidly cooled through a cooling water tank to shape the profile and reduce its temperature. During the cooling process, it is necessary to control parameters such as water temperature, water pressure, and time to ensure the internal structure and appearance quality of the profile

Traction and cutting: The cooled profile is pulled to a certain length by a traction machine and cut to a fixed length. During the traction and cutting process, it is necessary to ensure speed and dimensional accuracy in order to obtain the required profile length and cross-section

Post processing and packaging: Surface treatment, finishing, and inspection of the cut profiles. Packaging according to product requirements, including inner and outer packaging, to protect the quality and safety of profiles during transportation and storage