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一种基于电加热的导热油系统及其关键零部件的加工工艺设计论文[带图纸].doc

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一种基于电加热的导热油系统及其关键零部件的加工工艺设计论文[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目一种基于电加热的导热油系统设计及其关键零部件的加工工艺设计信机系机械工程及自动化专业学号学生姓名指导教师(职称副教授)(职称)2013年5月25日Ⅱ摘要了解流体传动的基本原理和接头的设计,同时运用机械专业知识,设计该系统中关键零部件的机械加工工艺。通过对电热油炉工作原理和电热油炉的使用及管理的了解,设计电加热导热油系统的整体装配图。根据所知的生产数据以及系统的运行要求,选用合理的零件进行装配。充分利用导热油系统,通过不断地技术改进和提高,来提高工厂的生产效益。同时对其关键零部件法兰盘进行机械加工工艺的分析,不同尺寸的法兰其加工余量是不同的,要根据法兰的大小正确的选取,保证零件加工的合理性。制定不同的工艺路线,通过对比选择合理的工艺路线。在确定加工余量后,根据加工工序的背吃刀量确定切削的进给量。粗取切削速度,计算出机床的主轴转速并选取机床的实际转速参数,算出实际切削速度。在法兰盘与管道的连接中,焊接也起了决定性作用,为了达到更好的焊接效果,需要对焊接填充材料进行选择。关键词导热油系统工艺路线切削用量焊接ⅢAbstractUnderstandthebasicprinciplesoffluidtransmissionandjointdesign,mechanicalprofessionalknowledgeatthesametime,thedesignofkeypartsmachiningprocessinthesystem.Intheworkingprincipleofelectricheatingoilfurnaceandelectricheatingoilfurnaceuseandmanagementoftheunderstanding,designelectricheatingheatconductionoilsystemofthewholeassemblydrawing.Accordingtotheknownproductiondata,andsystemoperationrequirements,choosereasonablepartsareassembled.Makefulluseoftheheatconductionoilsystem,throughconstanttechnicalimprovementandimprove,toimprovetheproductionefficiencyofthefactory.Andkeycomponentstoitsflangemachiningprocessanalysis,differentsizesofflangemachiningallowanceisdifferent,accordingtothesizeoftheflangecorrectselection,ensuretherationalityofpartsprocessing.Makeadifferentprocessroute,throughcontrasttochoosereasonabletechnologyroute.Afterdeterminethemachiningallowance,accordingtothemachiningprocessofturningtodeterminethecuttingfeedback.Roughcuttingspeed,tocalculatethespindlespeedofthemachinetoolandtheselectionofmachinetoolspeedparameter,calculatetheactualcuttingspeed.Inconnection,flangeandpipeweldingalsoplayadecisiverole,inordertoachievebetterweldingeffect,needtochoosetheweldingfillermaterial.KeywordsheatconductionoilsystemProcessrouteCuttingparameterTheweldingⅤ目录摘要..................................................................................................................................................IABSTRACT......................................................................................................................................II目录................................................................................................................................................V1绪论.............................................................................................................................................11.1课题研究的意义...................................................................................................................11.2课题研究的目的...................................................................................................................11.3课题研究的范围...................................................................................................................11.4达到的技术要求...................................................................................................................11.5课题研究的内容...................................................................................................................11.5.1加热器本体....................................................................................................................21.5.2电加热导热油系统的特点............................................................................................22整体设计.....................................................................................................................................32.1整个系统里主要用到以下零部件.......................................................................................43部件的选用与设计.....................................................................................................................53.1高温法兰闸阀的选用...........................................................................................................53.2导热油泵的选用...................................................................................................................53.3压力表...................................................................................................................................73.3.1压力表的分类................................................................................................................73.3.2压力表的选用................................................................................................................73.3.3压力表的安装与日常维护............................................................................................83.4加热熔器DN300..................................................................................................................83.5电加热管芯的选用...............................................................................................................83.5.1法兰电加热管................................................................................................................83.5.2法兰电加热管的特点....................................................................................................93.6止回阀的选用.......................................................................................................................93.7针型阀的选用.....................................................................................................................103.8防爆热电阻的选用.............................................................................................................103.9过滤器的选用.....................................................................................................................113.10膨胀节的选用...................................................................................................................114法兰盘的设计及制造工艺.......................................................................................................134.1机加工工艺规程的步骤及原则.........................................................................................134.2法兰盘零件的分析.............................................................................................................144.2.1法兰的作用..................................................................................................................144.2.2零件的工艺分析..........................................................................................................144.3工艺规程设计.....................................................................................................................154.3.1确定毛坯的制造形式..................................................................................................154.3.2基面的选择..................................................................................................................15VI4.3.3制定工艺路线..............................................................................................................154.3.4机械加工余量、工序尺寸及毛坯尺寸的确定..........................................................164.3.5确定切削用量..............................................................................................................195系统的管道焊接与装配...........................................................................................................295.1焊接工艺的重要性.............................................................................................................295.2焊接过程的物理本质.........................................................................................................295.3焊接方法.............................................................................................................................305.4装配工艺规程.....................................................................................................................305.4.1装配的精度..................................................................................................................305.4.2装配工艺规程的设计步骤..........................................................................................316结论与展望...............................................................................................................................336.1结论.....................................................................................................................................336.2展望.....................................................................................................................................33致谢...........................................................................................................................................34参考文献.......................................................................................................................................35

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