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Development of an automated control system for the process of extruding the polymer coating of pipes

Abstract

Development of an automated control system for the process of extruding the polymer coating of pipes

Sheremet D.A., Savchic А.V.

Incoming article date: 04.02.2023

This work is devoted to the development of a control system for the technological process of extruding a polymer coating of pipes. In the process of work, the existing system for regulating the temperature of the polyethylene extruder zones was analyzed, and the scientific and technical literature was analyzed. The description of the technological process of extruding the outer polymer coating of a steel pipe is given, the selection of automation equipment is carried out. The main difference between a proportional controller over a proportional-integral-derivative controller was described, the optimal tuning coefficients of the PID controller were also determined using experimental methods, graphical transients were given, and the most appropriate method for controlling the temperature of the zones of worm machines was selected, due to which increasing the homogeneity and uniformity of the protective polymer layer.

Keywords: pipe polymer coating extrusion, PID controller, polyethylene, adhesive