摘 要:本文详细描述轧钢设备中的压下机构设计，其动力系统为液压系统。首先分析液压压下机构的工作原理及其工作情况。然后设计液压系统、选择原件、系统验算和校核，最后绘制液压系统图及压下机构装配图。做到设计合理、满足工艺要求、降低成本的要求。

　　　本设计主要针对热轧带钢的厚度精度控制及轧辊厚度位置偏差进行设计和诊断。主要通过设计液压系统和计算液压缸尺寸、合理选择液压元件来实现厚度精度控制的准确性。本设计将详细叙述液压压下机构的设计和计算过程，展示了液压伺服系统在轧钢设备中的应用，以及液压伺服系统的优势。同时也反映出现代液压AGC在钢铁行业，特别是轧钢部分对于厚度精度控制的不可或缺。

关键词：连轧  带钢轧机  压下机构  液压系统 设备维护

ABSTRACT:This paper describes in detail the design of rolling equipment of pressing mechanism, the dynamic system for the hydraulic system. The first analysis of the hydraulic pressure working principle and working mechanism of. Then the design of hydraulic system, the original system selection, checking and verification, finally drawing the hydraulic system diagram and pressing mechanism assembly drawing. Do the design is reasonable, to meet the process requirements, cost requirements.

　　　This design aimed at hot strip thickness accuracy control and roll thickness position deviation of design and diagnosis. Mainly through the design of hydraulic system and calculation of the hydraulic cylinder size, a reasonable choice of hydraulic components to achieve the accuracy of thickness precision control. The design will be described in detail the design and calculation process of hydraulic pressure mechanism, to show the application of the hydraulic servo system in rolling equipment, as well as the advantages of hydraulic servo system. At the same time also reflects the modern hydraulic AGC in iron and steel industry, especially steel part of the indispensable thickness precision control.

Keywords: rolling； strip mill； hydraulic system ；mechanism；plant maintenanc