毕业设计（论）-六辊管材矫直机设计.doc

内蒙古科技大学毕业设计说明书（毕业论文）PAGE PAGE I六辊管材矫直机设计摘要管棒材矫直机是用于消除圆截面轧材的弯曲变形、椭圆变形以及其他类型的复杂变形的机器，目前使用的矫直机主要有二辊、五辊、六辊、和七辊矫直机等。本设计的主要内容包括介绍了无缝钢管的发展状况、无缝钢管的生产流程、管棒材矫直机的概述、管棒材矫直机矫直理论技术的发展、矫直原理以及矫直工艺等理论，确定了矫直机的总体方案。在力能计算部分完成了管材弯矩、管材变形能、管材接触线长度、矫直力、矫直机驱动功率等计算，此外万向接轴及矫直辊传动轴等主要部件进行了强度校核，并对角度调整机构的传动装置进行了分析，对其进行了结构设计。关键词：矫直机、矫直辊、强度校核The design of six roller pipe straightening machineAbstractThe function of tube-bars straightening machine is readucing bending deform ,ovaling deform and other complex deform of tube bars.At present ,there are 2、5、6 and 7-rolls straightening machineThe main contents of this manual introduced the development of seamless steel pipe,the production process of seamless steel pipe, straightening machine tube development, Straightening principle and Straightening process theories, to determine the overall program of straightening machine. In calculation of force and energy parameters,it has calculated the moment of pipe,the deformation energy of pipe,the length of contact line of pipe,straightening force and the drive power of straightening machine.In addition,check the instensity of universal coupling of straightening roll and so on,and The main components of Straightening roller and Shaft are checked.At the same time,it analysises and designs the driving device of angnlar adiustable mechanism.Key words: straightening machine; straightening roll；Strength Check目 录 TOC \o 1-4 \h \z \u HYPERLINK \l _Toc233030216 摘要 PAGEREF _Toc233030216 \h I HYPERLINK \l _Toc233030217 第一章 绪论 PAGEREF _Toc233030217 \h 1 HYPERLINK \l _Toc233030218 1.1我国无缝钢管行业的发展状况 PAGEREF _Toc233030218 \h 1 HYPERLINK \l _Toc233030219 1.2无缝管的生产工艺流程 PAGEREF _Toc233030219 \h 3 HYPERLINK \l _Toc233030220 1.3矫直机概述 PAGEREF _Toc233030220 \h 6 HYPERLINK \l _Toc233030221 1.4矫直理论技术的研究方向 PAGEREF _Toc233030221 \h 8 HYPERLINK \l _Toc233030222 1.5弯曲矫直理论 PAGEREF _Toc233030222 \h 11 HYPERLINK \l _Toc233030223 1.5.1矫直弯曲时的变形过程 PAGEREF _Toc233030223 \h 13 HYPERLINK \l _Toc233030224 1.5.2矫直过程中的曲率变化 PAGEREF _Toc23