Control Systems for the Temperature Field During Drawing, Taking into Account the Dynamic Modes of the Technological Installation
Oksana Khrebtova, Oleksandr Shapoval, Олег Марков, Volodymyr Kukhar, Natalia Hrudkina, Mykhailo Rudych
Abstract
Taking into account the modern realities of industrial production, today the task of improving the quality of welding wire in the drawing process using the electroplastic effect is relevant. The advantage of direct electric contact heating is substantiated by the possibility of obtaining the implementation and construction of a controlled process for the formation of the heating temperature during drawing. The control system is based on a proportional-integral-differential controller (PID controller), a power controller, a current source and an Apir-S measuring pyrometric complex, consisting of a primary pyrometric and secondary converter. By setting the appropriate coefficients of the PID controller, it is possible to form a stable operation mode with the formation of a controlled temperature regime during electric contact heating of the wire. It was experimentally established that, using the formation of a controlled temperature regime of annealing, due to the control of the heating temperature by a pyrometer, the control error did not exceed 1.3%. Compliance with the temperature of the annealing mode in the specified range provides the mechanical parameters of the products, namely wire, specified by the technological process. The methods adopted by the formation of a controlled temperature regime and the system of elements during its implementation are characterized by ease of use, reliability and ensuring the quality indicators of the technological process being performed. A further line of research is to substantiate the need to use the controlled cooling process to obtain the specified physical and mechanical parameters of the annealed wire.