| Steel tube is widely used as a sort of metallic material in oil, metallurgy, automobile, watercraft, electric plant, war industry and so on. It is important to the national economic development. In this paper, on the basis of the current situation of research on steel tube's stencil system both here and abroad, with the aim of researching and developing the steel tube's stencil system in Tianjin Pipe Corporation, the successful design of the relevant control system and procedure are presented. The main contents are shown as follows:In chapter 1, first, the current situation of research and problems on steel tube's stencil system in China are described. Then, the source and the main contents as well as the significance of this paper are mentioned. Finally, the correlative technic are introduced.In chapter 2, the whole blue print is brought forward according to the manufacture technics of the steel tube's stencil system. The mechanism structure, the control system and the software are designed.In chapter 3, the mechanism structure is designed according to the requirement of the equipment function. And the pivotal piece is analyzed.In chapter 4, the control system of the steel tube's stencil is designed. The correlation techniques about servo system are also introduced. Then, the design and the modeling & simulation of stencil system based on servo control system are expatiated. Moreover, flow error and stability of the system are analyzed. Finally, the characters of the control system are presented.In chapter 5, first the PLC program and the up-level computer program are presented. Then, the PLC program flow and time sequence are analyzed. Finally the supervisory control system interfaces are designed.In chapter 6, the work and accomplishment in the reconstruction of the steel tube's stencil control system and software are summarized, and moreover, ways to improve this system are pointed out.
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