How to improve the accuracy of ultra-high polymer pipe equipment?

The precision of the outlet pressure of the ultra-high polymer pipe equipment is affected by many factors. Here, we briefly introduce how to improve the accuracy of the product.

Increase output, reduce energy consumption, realize low-temperature extrusion, and extend equipment life. Install polymer melt pumps on the PVC pipe production line, and transfer the decompression function of the PVC pipe production line to the gear pump. Ultra-high polymer pipe equipment has the characteristics of low voltage and low temperature. The amount of leakage is significantly reduced and the output is increased. Compared with the PVC pipe production line, the gear pump is easier to set the head pressure, which can reduce the back pressure of the ultra-polymer pipe equipment, reduce the axial force of the screw, and extend the service life.

The ultra-high polymer pipe equipment realizes stable extrusion, improves the dimensional accuracy of extruded products, and reduces the rejection rate. During the extrusion process, the unevenness of the material, the fluctuation of the temperature of the cylinder block and cylinder head, and the fluctuation of the screw speed are inevitable. The use of melting gear pumps can eliminate material supply errors in the material supply system, greatly reduce upper transmission fluctuations, and work quickly and stably, and can improve the dimensional accuracy of extruded products and reduce the rejection rate.

The ultra-high polymer pipe equipment has the characteristics of linear extrusion, which is convenient for the cooperation of upstream and downstream equipment. Because the leakage flow rate of the gear pump is very small, there is basically a linear relationship between the drive capacity of the pump and the speed. When changing the speed of the gear pump, its flow can be accurately known. By determining the synchronous working speed of the upstream and downstream equipment and the gear pump, and using the pressure and temperature information collected at the inlet and outlet of the gear pump, the entire process is automated. Online monitoring and feedback control of the extrusion process.