[毕业设计说明书]桌面立式3轴微细加工数控铣床设计

桌面立式3轴微细加工数控铣床设计SHANDONGUNIVEERSITYOFTECHNOLOGY毕业设计说明书桌面立式3轴微细加工数控铣床设计学院：机械工程学院专业：机械设计制造及其自动化学生姓名：学号：指导教师：2014年6月桌面立式3轴微细加工数控铣床设计I摘要当今制造业中，特别以医疗器械、微电子技术、航天、国防工业为代表的领域中，对精密、超精密三维微小零件的需求日益迫切。其形状结构的特意化、零件材料的多样化、尺寸及表面质量的高精度化成为三维微小零件以及其微型装备的显著特征。因此，微型化制造技术啊的研究已经成为现在科学研究的前沿和热点。微型机床系统与微细制造技术受到国内外学术界和工业界的广泛关。传统的加工系统中，即使最终产品的尺寸很小，所使用的机床依然很大。故而浪费的空间、资源和能源，并且效率低、灵活性差，加工难度大。所谓微细加工，就是用微小机床来加工微小零件。微小机床有助于提高空间利用率和降低成本。同时由于惯性较小，容易达到高速加工和高精度运动控制。微型铣削工艺具有加工任意材料、三维复杂形状零件的能力，而数控技术是是制造业实现自动化、柔性化、集成化的基础，因此对微细加工数控铣削机床的研究具有重要的理论意义和实际应用前景。所以我设计了这种桌面立式3轴微细加工数控铣床。关键词：桌面铣床微细加工数控桌面立式3轴微细加工数控铣床设计IIAbstractInthemodernmanufacturing,especiallyinmedicalapparatusandinstruments,microelectronics,aerospace,defenseindustry,representedbydomain,forprecisionandultraprecision3dmicropartsdemandisincreasinglyurgent.Theshapeofthestructureofthespecially,thediversificationofpartsmaterial,sizeandsurfacequalityofhighprecisionbecome3dmicropartsandmicroequipmentcharacteristic.Therefore,miniaturizationmanufacturingtechnologyresearchhasbecometheforefrontofscientificresearchandhotnow.Miniaturemachinetoolsystemwithmicromanufacturingtechnologywidelyheldbyacademiaandindustrybothathomeandabroad.Traditionalmachiningsystem,evenifthefinalproductsizeissmall,theuseofmachinetoolremainslarge.Sothespaceofthewaste,resourcesandenergy,andlowefficiency,poorflexibility,processingisdifficult.Theso-calledmicromachining,istheuseoftinymachinetoolforprocessingsmallparts.Smallmachinetoolscanhelpimprovethespaceutilizationandreducecost.Atthesametimeduetoinertiaissmall,easytoachievehigh-speedprocessingandhighprecisionmotioncontrol.Micromillingtechnologywithanymaterial,capableof3dcomplexshapeparts,andnumericalcontroltechnologyistheisthefoundationofmanufacturingautomation,flexibility,integration,sothestudyofmicromachiningCNCmillingmachinehasimportanttheoreticalsignificanceandpracticalapplication.SoIdesignthisdesktop3axismicromachiningverticalCNCmillingmachine.Keywords:DesktopmillingmachineMicromachiningCNC桌面立式3轴微细加工数控铣床设计III目录：摘要...............................................................................................................................................IAbstract............................................................................................................................................II目录：............................................................................................................................................III第一章引言.....................................................................................................................................11.1微型铣床.............................................................................................................................11.1.1微型铣床的意义....................................................................................................11.1.2近年来微型铣床的国内外研究现状....................................................................11.1.3微型铣床设计方案的可行性分析........................................................................21.2数控机床.............................................................................................................................2第二章铣床总体设计.....................................................................................................................42.1铣床的总体布局.................................................................................................................42.2控制系统.............................................................................................................................52.3传动系统.............................................................................................................................62.3.1主轴及其驱动传动系统..........................................................................................62.3.2进给系统..................................................................................................................8第三章传动系统的设计计算.........................................................................................................93.1电主轴的设计计算.............................................................................................................93.2Y轴方向进给系统的设计计算.......................................................................................103.2.1Y轴方向直线电机的设计.....................................................................................103.2.2Y轴方向导轨的设计计算.....................................................................................123.3Z轴方向进给系统的设计计算.......................................................................................143.3.1Z轴方向直线电机的设计计算............................................................................143.3.2Z轴方向导轨的设计计算....................................................................................153.4X轴方向进给系统的设计计算.......................................................................................163.4.1X轴方向直线电机设计计算................................................................................163.4.2X轴方向导轨的设计计算...........................................................