搜索
目录摘要（中文）....................................................................................................................................I（英文）...................................................................................................................................II第一章概述.....................................................................................................................................11.1立式磨床的简介..............................................................................................................31.2立式磨床的特点..............................................................................................................31.3立式磨床横向进给系统的深入研究..............................................................................41.3.2研究方向和内容...........................................................................................................81.4设计方法实现及预期目标............................................................................................81.5交流伺服电机的选择....................................................................................................111.6进给精度的保证............................................................................................................121.7直线滚动导轨副的选择................................................................................................12第二章立式磨床横向进给系统的整体设计...............................................................................132.1计算进给牵引力cF（N）...........................................................................................132.2导轨摩擦力的计算........................................................................................................132.3计算滚珠丝杠螺母副的轴向负载力............................................................................152.4确定进给传动链的传动比............................................................................................152.5、滚珠丝杠的动载荷计算与直径估算............................................................................152.6最大动载荷QF的计算....................................................................................................162.7规格型号的选择..............................................................................................................162.8、伺服电机的选择............................................................................................................172.9滚珠丝杠螺母副承载能力校核....................................................................................18第三章床身材料的选择及壁厚的设计.......................................................................................203.1对立式磨床总体研究；进行立磨总体布局机构设计................................................203.2立式磨床的材料及床身分析........................................................................................21图3.4.............................................................................................................................................25第四章三维造型...........................................................................................................................26结束语............................................................................................................................................291摘要立式磨床由工作台、动力及传动装置、导轨基座、横向导轨和导板台、纵向导轨及导板、磨具及抛光轮组成。工作台是立式的，与动力及传动装置相连；导板基座与工作台相对而立，横向导轨装配在导轨基座上，横向导板台套装在横向导轨上，两个纵向导轨则固定在横向导板台上，磨具与抛光轮装置均安装在纵向导板上。通过操作台控制可使磨具及抛光轮沿横向与纵向任意移动,消除了卧式磨床工作台水平放置所造成周边下垂，并降低了运动阻力，节约能耗。由于适用范围更广、加工精度更高、功能更全面、可靠性更好等。突出的进步就是均能一次装夹在一个工位上完成零件的外圆、内圆、端面等多个磨削表面的多工序加工，克服了重复装夹带来的累积误差及辅助时间的浪费，从而达到高效率、高精度、高可靠性。随着现代科技的发展,机械制造业面临着高速度、高精度等新的挑战,高速进给系统成为高速高精度数控车床的关键环节之一。由于进给系统刚度低、惯量大,难以获得高进给速度和高加速度,为了提高高速高精度数控车床的定位精度和传动精度,除了正确设计、选择进给系统部件,精确计算其强度、稳定性和驱动力矩外,还要对进给系统的刚度进行合理设计,减少因刚度引起的失动量,以确保加工定位精度。横向进给系统是数控装置和机床机械传动部件间的联系环节，是数控机床的重要组成部分。它包含机械、电子、电机(早期产品还包含液压)等各种部件，并涉及到强电与弱电控制，是一个比较复杂的控制系统。横向进给的确是一个相当复杂的任务。提高伺服系统的技术性能和可靠性，对于数控机床具有重大意义，研究与开发高性能的伺服系统一直是现代数控机床的关键技术之一。床身，作为主要支承件的床身至关重要，其结构性能的好坏直接影响着机床的各项性能指标。其结构的合理性和性能的好坏直接影响着数控车床的制造成本；影响着车床各部件之间的相对位置精度和在工作中各运动部件的相对运动轨迹的准确性。关键词：立式磨床横向进给数控传动系统床身2AbstractVerticalgrinderfromthebench,powerandtransmissionequipment,railbase,horizontalrailsandtheguideplateunits,theverticalrailsandguide,composedofabrasiveandpolishingwheel.Tableisvertical,andconnectedwiththepowerandtransmissiondevice;guidebaseandthetablerelativestanding,horizontalguiderailsmountedonthebase,horizontalguiderailstationsetinthehorizontal,twoverticalrailsareAfixedplatforminthehorizontalguides,grindingandpolishingwheeldevicesareinstalledintheverticalguideplate.Bygrindingandpolishingwheelscanconsolecontrolalonganarbitraryhorizontalandverticalmovement,eliminatinghorizontalhorizontalgrindingtablecausedbyperipheralsag,andreducethemovementresistance,savingenergyconsumption.Asforthebroader,higherprecision,morecomprehensive,betterreliabilityandsoon.Highlighttheprogressthatisafixturecanbecompletedatastationpartofthecylindrical,innercircle,faceandothermulti-processgrindingsurfaceprocessing,toovercometheaccumulatederrorscausedbyrepeatedclampingandsupportingawasteoftime,Soastoachievehighefficiency,highprecisionandhighreliability.Withthedevelopmentofmoderntech