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活套机构是热轧带钢生产线的重要设备之一,活套系统的性能直接影响着热轧带钢产品的质量指标。活套系统的主要作用是使带钢保持相对恒定的张力、套量,检测并调节各种扰动引起的速度偏差,确保热轧带钢在精轧机内的轧制稳定性,提高产品的厚度、宽度、精度。本文针对活套液压控制的现状,分析近年来活套控制系统的解决方案,在理论分析的基础上,再现了活套套量和带钢张力产生机理,推导了液压活套控制系统的套量及力矩数学模型。对活套控制原理和生产工艺过程进行了详细分析,并对活套系统的套量和力矩控制做了较为全面深入的分析和阐述。
Looper mechanism is one of the important equipment of hot strip production line. The performance of the looper system directly affects the quality index of hot strip products. The main function of the looper system is to keep the strip at a relatively constant tension and taper, to detect and adjust the speed deviation caused by various disturbances, to ensure the rolling stability of the hot strip in the finishing mill and to increase the thickness of the product, Width, precision. In this paper, based on the current situation of the hydraulic control of the looper, the solution of the looper control system in recent years is analyzed. Based on the theoretical analysis, the mechanism of the looper and the tension of the strip are reproduced. Torque mathematical model. The control principle of looper and the process of production are analyzed in detail, and a comprehensive and in-depth analysis and elaboration of looper and torque control are given.