Progress in Processing and Forming Technology of Pipe Production Line

In recent years, conventional extruders and production lines in China have gradually become popular in the market due to their cost-effectiveness. Currently, domestically produced main machines are mainly conical twin-screw extruders and single screw plastic extruders, with mature technology and large market sales. However, the general specifications of these products have exceeded demand, and the future development of main machines will focus on parallel twin-screw extruders.

It can be foreseen that PVC pipe production lines will develop towards high production capacity, low power consumption, and automation; With the support of informatization, the extrusion line in the future will definitely be more intelligent; In addition, customization will also run through various extrusion applications.

1. The extrusion production line is developing towards high production capacity, low power consumption, and automation

High production capacity and low energy consumption have always been the concerns of pipe manufacturers. In recent years, this trend has become increasingly prominent, and extrusion equipment suppliers have also taken action, constantly launching updated models.

2. With the support of intelligence and informatization, the pipeline extrusion line is more powerful

At present, computer control technology is widely used in PE pipe production lines to detect the process parameters of the entire extrusion process, such as melt pressure and temperature, temperature of each section of the machine body, speed of the main screw and feeding screw, feeding amount, ratio of various raw materials, current and voltage of the motor, etc., online, and adopt microcomputer closed-loop control. Some companies have adopted online remote monitoring, diagnosis, and control methods to control the extrusion molding production line. This is extremely beneficial for ensuring the stability of process conditions and improving the accuracy of pipe products

3. Customization runs through multiple pipeline applications

In order to meet the requirements of new materials and processes, new or specialized extruders are constantly emerging.

High-density polyethylene water supply pipe is a new type of plastic pipe product made from polyethylene resin as the main raw material, with necessary antioxidants, UV absorbers and other additives added, and extruded by an extruder.

PE resin is made by polymerizing monomer polyethylene. Due to different polymerization reaction conditions such as pressure and temperature during polymerization, different densities of resins can be obtained. Therefore, there are also high-density polyethylene, medium density polyethylene, and low-density polyethylene. When processing different types of PE pipes, different resin grades are selected according to their application conditions, and there are also different requirements for extruders and molds.

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