精密平面磨床微进给及微位移工作台设计论文[带图纸].doc

编号无锡太湖学院毕业设计（论文）题目精密平面磨床微进给及微位移工作台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日无锡太湖学院本科毕业设计（论文）诚信承诺书本人郑重声明所呈交的毕业设计（论文）精密平面磨床微进给及微位移工作台设计是本人在导师的指导下独立进行研究所取得的成果，其内容除了在毕业设计（论文）中特别加以标注引用，表示致谢的内容外，本毕业设计（论文）不包含任何其他个人、集体已发表或撰写的成果作品。班级机械93学号0923150作者姓名邱文浩2013年5月25日II摘要随着科学技术的发展和高新技术产业的需要，精密平面磨床已然在当代制造产业中占据了非常重要的地位。本文在收集了大量资料和吸取了前辈们的经验的情况下，设计了一台以广州机械制造厂的MGB6120为原型、以微进给机构和微位移系统来提升加工精度的精密平面磨床工作。在此基础上，完成了该磨床的总体设计计算，并进行了数据对比优化选择，取得以下研究成果1设计一台精密数控平面磨床，用砂轮周边磨削平面和台阶平面，用于机械制造业及工具模具制造业，且能加工各种难加工材料。2确定了该精密平面磨床工作台的各个部件及其功能分配，完成了该平面磨床的传动选择以及总体布局设计。3利用滚珠丝杆为主要器件，结合梯形螺纹丝杆压杆来检测其稳定性通过压电、电致伸缩器件在微位移系统中的压电耦合效应和砂轮修整器特性提高了该工作台的加工精度。4将840D数控技术作用于平面磨床工作台并选择西门子IFK6交流伺服电机作为进给机构和微位移系统的电力源，完成了精密平面磨床微进给及微位移工作台的设计。关键词精密微位移微进给砂轮器数控IIIAbstractWiththedevelopmentofscienceandtechnologyandtheneedofhightechniqueindustry,precisionsurfacegrinderhasplayedaveryimportantroleinmodernmanufacturingindustry.Underthecircumstanceofcollectingagreatnumberofmaterialsandabsorbingpredecessorsexperience,thisarticledesignsaprecisionsurfacegrinderingmachinewhichistheprototypeofMGB6120inGuangzhoumachinetool.Inaddition,itimprovesprecisionbyamicrofeedmechanismandamicrodisplacementsystem.Inthatcase,itfinishthecalculationoftheoveralldesignofthegrindingmachine.Whatsmore,itmakestheoptimizationofcomparativedataandobtainsthefollowingresults1ItdesignsaprecisionNCgrindingmachineandgrindssurfacewithgrindingwheel.Itisusedinmechanicalmanufacturingindustryandmodelmanufacturingindustry.Italsoprocessesvariousmaterialswhichareverydifficult.2Itconfirmseachcomponentandfunctionallocationofprecisionsurfacegrinderworktable.Italsofinishesthetransmissionselectionandoveralllayout.3Itregardsballscrewrodasmaindeviceandiscombinedwiththetrapezoidalthreadscrewrodtotestitsstability.Piezoelectriccouplingeffectandgrindingwheeldressingdevicefeatures,whichimprovethemachiningaccuracyoftheworkbenchthroughthepiezoelectricandelectrostrictivedevicesinthemicrodisplacementsystem.4Ituses802DinNCplanegrinderworktableandchoosesSiemensIFK6ACservomotorasthepowersourceforthefeedingmechanismandmicrodisplacementsystem.Italsocompletesthedesignofprecisionsurfacegrindermicrofeedandmicrodisplacementworktable.Keywordsprecision,micrometricdisplacement,microfeeding,Grindingwheel.CNCcomputerizednumericalcontrolV目录摘要............................................................................................................................................IIABSTRACT..................................................................................................................................III目录............................................................................................................................................V1绪论.............................................................................................................................................11.1本课题的研究背景和意义...................................................................................................11.2国内外精密平面磨床的发展概况.......................................................................................11.2.1国外精密加工数控车床技术发展概况........................................................................11.2.2国内精密加工数控车床技术发展概况........................................................................31.3本课题的设计任务说明.......................................................................................................51.3.1毕业设计任务与论文组成............................................................................................51.3.2本课题的研究方法........................................................................................................52精密平面磨床的总体设计.........................................................................................................62.1引言.......................................................................................................................................62.2磨床技术规格.......................................................................................................................62.3磨床总体布局设计...............................................................................................................72.4磨床的传动设计...................................................................................................................72.5磨床主要组成部件及其功能...............................................................................................82.6进给机构的分类及使用方法...............................................................................................82.7本章小结...............................................................................................................................93砂轮的特性和修整...................................................................................................................103.1砂轮的特性.........................................................................................................................103.2砂轮修整器.........................................................................................................................113.2.1砂轮修整器的设计......................................................................................................113.2.2修整器摆角的设计......................................................................................................143.3砂轮修整的展望.................................................................................................................153.4本章小结.............................................................................................................................154微位移系统...............................................................................................................................174.1引言.....................................................................................................................................174.2微位移技术的分类.............................................................................................................174.3微位移系统的广泛实用性.................................................................................................194.3.1微位移器件在磨床中所需要具备的条件..................................................................204.3.2微位移行程的提高......................................................................................................204.4压电、电致伸缩器件在微位移系统结构中的优点.........................................................204.4.1压电与电致伸缩效应机电偶合效应..................................................................204.5微位移系统的结构设计.....................................................................................................214.5.1微位移工作台的组成..................................................................................................214.5.2微位移工作台工作原理..............................................................................................21