钢管旋切机设计—控制部分设计毕业论文.doc -- 8 元

本科毕业论文（设计）论文题目钢管旋切机设计控制部分设计学生学号学生姓名所在院系机电学院所学专业机电技术教育导师姓名完成时间摘要本设计通过对薄壁钢管的工艺性分析和无削切削工艺方案的分析，确定采用理论与实际相结合的方式并利用现有的条件来设计旋切机，在此基础上对钢管旋切机电气控制系统进行设计，从而得出整体结构方案。通过主要技术指标对钢管和选择，最终确定其装配总图。通过此次设计，掌握了机床电控的相关知识以及plc自动控制的知识，对于ProE3.0/AutoCAD等软件的应用方面有了进一步的提高。旋切机的电控部分进行选择和安装，然后对钢管旋切机的其它主要零件进行设计关键词电气控制，薄壁钢管，无屑切削，自动切割，旋切机，plc.AbstractThedesignofthinwalledtubethroughanalysisoftechnologyandnocuttingprocessanalysisanddeterminationbycombiningtheorywithpracticeandusetheexistingconditionsofthewaytodesignthecuttingmachine,onthebasisofsteellathecuttingelectricalcontrolsystemdesign,andthewholestructurescheme.Throughthemaintechnicalindexesofsteeltubeandselection,determinethegeneralassembly.Throughthedesign,masterknowledgeofelectricmachineandPLCautomaticcontrolofknowledge,forProE3.0/AutoCADsoftwareapplicationshavefurtherimproved.Partoftheelectronicspinmachine,andthenchoosetoinstallandsteellathecuttingmachineoftheothermajorpartsdesignKeywordselectricalcontrol,tubes,withoutcrumbscutting,automaticlathecuttingmachine,cutting,PLC目录1绪论..................................................................................................12设计要求............................................................................................13主要技术指标.....................................................................................14现有钢管旋切机的原理、特点及优缺点..................................................14.1国内外研究现状............................................................................24.2现有钢管旋切机的工作原理............................................................24.3特点及优缺点................................................................................25钢管旋切机改进方案............................................................................26切割工艺分析......................................................................................26.1工艺特点.......................................................................................26.2钢管轧切过程................................................................................36.3钢管轧切时的变形分析.................................................................56.4各参数对轧切工艺的影响................................................................66.4.1压下量的影响...........................................................................................66.4.2轧切速度的影响.......................................................................................66.5刀具参数的影响............................................................................66.6结论............................................................................................77旋切机的自动控制...............................................................................77.1贮料与上料部分............................................................................77.2装料与进料部分............................................................................77.3轧切部分......................................................................................88电控系统............................................................................................88.1系统构成......................................................................................88.2程序设计思想................................................................................98.3割刀运动控制................................................................................98.4卸料运动控制...............................................................................108.5钢管旋切机传感器及行程开关的选择...............................................108.6电气控制系统电器的选择...............................................................118.7旋切机自动控制PLC系统原理.......................................................128.8故障保护.....................................................................................15致谢....................................................................................................15参考文献..............................................................................................16