X-Y数控工作台设计

吉林化工学院课程设计说明书X－Y数控工作台结构设计X-YNCtabledesign教学院：机电工程学院系别：机械设计制造及其自动化学生学号：12410127学生姓名：侯磊专业班级：机自1201指导教师：田爱华职称：教授起止日期：2015.6.29～2015.7.10吉林化工学院JilinInstituteofChemicalTechnology吉林化工学院课程设计说明书-I-摘要X-Y数控工作台是许多机电一体化设备的基本部件，如数控车床的纵—横向进刀机构、数控铣床和数控钻床的X-Y工作台、激光加工设备的工作台、电子元件表面贴装设备等。模块化的X-Y数控工作台，通常由导轨座、移动滑块、工作平台、滚珠丝杠螺母副，以及伺服电动机等部件构成。其中伺服电动机做执行元件用来驱动滚珠丝杠，滚珠丝杠螺母带动滑块和工作平台在导轨上运动，完成工作台在X、Y方向的直线移动。导轨副、滚珠丝杠螺母副和伺服电动机等均以标准化，由专门厂家生产，设计时只需根据工作载荷选取即可。控制系统根据需要，可以选取用标准的工作控制计算机，也可以设计专用的微机控制系统。关键词：X-Y数控工作台；机电一体化；导轨；滚珠丝杠螺母副；伺服电动机侯磊：X－Y数控工作台结构设计-II-AbstractXYCNCtableareanumberofbasiccomponentsmechatronicsequipmentsuchasverticalCNClathes-transversefeedmechanism,CNCmillingmachinesandCNCdrillingmachineXYtable,atableoflaserprocessingequipment,electroniccomponentsandothersurfacemountdevices.ModularCNCXYtable,usuallyconsistsofguideseat,movetheslider,workplatform,theballscrewnut,andaservomotorandothercomponents.Whereintheservomotorsasactuatorsfordrivingtheballscrew,ballscrewnutdrivesliderandworkplatformontherailmovement,completetablestraightinX,Ydirectionofmovement.Guideways,ballscrewnutandservomotorsarestandardized,producedbyspecializedmanufacturers,youcanjustselectthedesignaccordingtotheworkload.Controlsystemasneeded,youcanchoosetoworkwithastandardcontrolcomputer,youcanalsodesignspecialcomputercontrolsystem.KeyWords：XYCNCtable;mechatronics;rails;ballscrewnut;servomotor吉林化工学院课程设计说明书-III-目录摘要............................................................................................................................................IAbstract..............................................................................................................................................II金属切削机床课程设计任务书......................................................................................................1第1章总体方案的确定.................................................................................................................31.1机械传动部件的选择........................................................................................................31.1.1导轨副的选用.........................................................................................................31.1.2丝杆螺母副的选用................................................................................................31.1.3减速装置的选用.....................................................................................................31.1.4伺服电动机的选用.................................................................................................31.1.5检测装置的选用.....................................................................................................3第2章机械传动部件的计算与选型............................................................................................42.1导轨上移动部件的重量估算...........................................................................................42.2铣削力的计算....................................................................................................................42.3直线滚动导轨副的计算与选型.......................................................................................42.3.1滑块承受工作载荷maxF的计算及导轨型号的选取..........................................42.3.2距离额定寿命L的计算........................................................................................52.4滚珠丝杠螺母副的计算与选型.......................................................................................52.4.1最大工作载荷mF的计算......................................................................................52.4.2最大动载荷QF的计算...........................................................................................52.4.3初选型号.................................................................................................................62.4.4传动效率η的计算................................................................................................62.4.5刚度的验算.............................................................................................................62.4.6压杆稳定性校核.....................................................................................................72.5步进电动机减速箱的选用...............................................................................................72.6步进电动机的计算与选型...............................................................................................72.6.1计算加在步进电机转轴上的总转动惯量eqJ.....................................................72.6.2计算加子在步进电机转轴上的等效负载转矩eqT.............................................82.6.3步进电动机最大静转矩的选定.............................................................................92.6.4步进电动机的性能校核.........................................................................................92.7增量式旋转编码器的选用.....................................................................................................10侯磊：X－Y数控工作台结构设计-IV-第3章工作台机械装配图的绘制.............................................................................................11第4章步进电动机驱动电源的选用.........................................................................................12参考文献...............................................................................