IMPROVING THE PROCESS OF HEATING THE BANDAGES OF LARGE COMPOSITE ROLLING ROLLS TO BE DISMANTLED
Abstract
DOI: https://doi.org/10.32820/2079-1747-2019-24-92-107
One of the directions which ensures a significant economic effect in resource- and energy-intensive technologies is the process of restoring the large-sized composite rolls for rolling mills. The defining operation of this process is the separation of the mating bandage and the roll’s axis by thermal action on the embracing part. The general principles and results of the development, research and creation of an improved technological process for heating the products under study in a high-speed heating furnace have been described.
An integrated approach to solving the problem, based on theoretical and experimental studies, made it possible to develop a mathematical model of the process of dismantling large-sized composite rolls by thermal action on the basis of the put forward hypothesis and preliminary results of laboratory studies.
The development of the mathematical model is based on the process of rotation of the roll when it is being heated in the furnace and the subsequent dismantling of the bandage from the axis of the composite roll.
The methods of modeling the multi-mass electromechanical systems in relation to the drive of a high-speed heating furnace have been analyzed.
The dynamic model of the process of opening the bandage has been investigated and analyzed. Preliminary results have been obtained that characterize the operation of a dynamic system.
The expediency of subsequent research and development of the control system for the optimal performing of the heating process of the roll has been established.
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References
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