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图书分类号:密级:毕业设计(论文)数控铣床X-Y工作台的设计THEDESIGNOFX-YTABLEINMILLING学生姓名学院名称专业名称指导教师20**年05月19日徐州工程学院毕业设计(论文)II摘要X-Y数控工作台是是指能分别沿着X向和Y向移动的工作台,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、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;伺服电动机;数控车床徐州工程学院毕业设计(论文)IIIAbstractAbstractAbstractAbstractCNCXYtablearemeantoeachalongXandYtomovetothetable,electromechanicalintegrationequipment,manybasiccomponents,suchasverticalCNClathe-lateralfeedbody,CNCmillingandCNCdrillingmachineXYworkTaiwan,laserprocessingequipment,workstations,electroniccomponentssurfacemountequipment.ModularCNCXYtable,usuallybyrailseat,movetheslider,work,ballscrewpair,andtheservomotorandothercomponentparts.Oneservomotortodrivetheballscrewactuatortodo,theballscrewdriveandworkplatformsliderailmovement,completetableintheX,Ydirectionofthestraightlinemovement.Guideways,ballscrewpairandservomotorsetc.,shallbestandardizedbythespecializedmanufacturers,designcanbeselectedonlyaccordingtoworkload.Controlsystemasneeded,youcanselectacomputerusingastandardjobcontrol,youcandesignadedicatedcomputercontrolsystem.KeywordsKeywordsKeywordsKeywordsXYtableservosystemCNCmachinetools徐州工程学院毕业设计(论文)1目目目目录录录录1绪论.....................................................................................................................11.1课题的选择背景..........................................................................................11.2设计目的及意义..........................................................................................11.3总体方案的设计..........................................................................................22交流伺服电动机的选型.....................................................................................32.1交流伺服电动机的选型..............................................................................32.1.1电机的选择依据...................................................................................42.1.2电机的负载力矩和惯量的计算...........................................................52.2交流伺服电动机概述...................................................................................62.2.1选择伺服电动机...................................................................................73丝杠的选型.........................................................................................................73.1丝杠的介绍..................................................................................................73.1.1丝杠螺母机构基本传动形式...............................................................73.1.2滚珠丝杠副的组成及特点...................................................................73.1.3滚珠丝杠副的典型结构形式...............................................................83.1.4滚珠丝杠副轴向间隙的调整和预紧...................................................93.1.5滚珠丝杠副的密封与润滑...................................................................93.2丝杠螺母副的选择....................................................................................103.3丝杠的校核................................................................................................113.4滚珠丝杠支承的选择................................................................................123.4.1支承方式的选择.................................................................................123.4.2轴承的选择.........................................................................................133.5设计滚珠丝杠应注意的问题....................................................................154联轴器的选型...................................................................................................174.1联轴器的介绍............................................................................................174.2选择联轴器的类型....................................................................................174.2.1初选联轴器的类型.............................................................................174.2.2初选联轴器.........................................................................................184.3联轴器的校核............................................................................................194.3.1转矩的校核.........................................................................................204.3.2销的抗剪强度的校核.........................................................................205导轨的选型及计算...........................................................................................215.1导轨的组成种类及其应满足的要求.......................................................21徐州工程学院毕业设计(论文)25.2导轨材料的选择及热处理........................................................................215.2.1导轨材料的选择.................................................................................215.2.3导轨的热处理.....................................................................................225.3导轨的选型及长度估算............................................................................225.4导轨副的额定寿命计算............................................................................235.5滚动导轨副的技术要求..........................
本文标题:数控铣床X-Y工作台的设计
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