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SHANDONGＵＮＩＶＥＲＳＩＴＹＯＦＴＥＣＨＮＯＬＯＧＹ毕业设计说明书微型数控车床设计学院：机械工程学院专业：机械设计制造及其自动化学生姓名：摘要的页眉自己再添上学号：指导教师：2011年06月I摘要微型数控车床又称数字控制（Numericalcontrol，简称NC）机床。它是基于数字控制的，采用了数控技术，是一个装有程序控制系统的机床。它是由主机，CNC，驱动装置，数控机床的辅助装置，编程机及其他一些附属设备所组成。该数控车床主要由教学型车床机械装置、计算机数控系统、电源驱动装置三部分组成，此次设计包括机床的机械传动主运动系统设计，其中还包括齿轮模数计算及校核，主轴的设计及其刚度的校核，主轴组件的设计与选型，传动轴的设计及其刚度校核和传动轴组件的设计与选型等，纵向进给传动系统运动设计，横向进给传动系统运动设计，床身与导轨设计和控制系统的设计，变频调速电动机和步进电动机型号的选择以及刀架型号的选择等。该车床结构简单、成本低、体积小，适于教学，该系统人机界面友好、操作方便。本文是对整个设计工作较全面的介绍和总结。关键词：微型，数控车床，主传动系统，进给系统，设计IIAbstractTheminiaturenumericallycontrolledlathecallsdigitalcontrol(Numericalcontrol,shorterformNC)amachinetool.Thatithasbeendigitalcontrol-based,hasadoptthenumericalcontroltechnology,isthatadresshascontrollingthesystematicmachinetoolbyprogram.Itisfromtheleadplane,CNC,drivingdevice,numericalcontrolmachinetoolauxiliarydevice,whatprogrammingmachineandtheirhissomesubsidiaryequipmentiscomposedof.Designdesigningthatthemechanicaldriveincludingamachinetoolbetokensmotionsystemthistime,includingthemoduleofthegear,theprincipalaxiscalculateandrigidityrevise,theprincipalaxissubassemblydesignandchoose,thetransmissionshaftcalculateandrigidityrevise,thetransmissionshaftsubassemblydesignandchoose.longitudinalmechanicaldrivefeedssystematicmotiondesign.latitudinalmechanicaldrivefeedssystematicmotiondesign.Thetypeoffrequencyconversiontimingelectromotorchooseandthetypeofwalkingelectromotorchoose,andthetypeofkniferestchoose.Thispaperismorecompehensiveintroductionandsumming-upforthewholedesignwork.Keywords:miniature,numericallycontrolledlathemechanical,drivesystembetokenssystematic,feeddrivesystem,design.目录III目录第一章引言..........................................................................................................................-1-1.1课题的背景..............................................................................................................-1-1.2课题的目的和意义................................................................................................-1-第二章微型数控车床主传动系统设计........................................................................-3-2.1主要设计技术指标与参数..................................................................................-3-2.2主传动系统的大分类.............................................................................................-3-2.3确定合适的切削参数...........................................................................................-4-2.4主传动系统的设计计算.......................................................................................-5-2.5齿轮的设计计算......................................................................................................-6-2.6主轴组件设计........................................................................................................-12-第三章纵向进给传动系统设计......................................................................................-23-3.1概述..........................................................................................................................-23-3.2电机与丝杠之间的联接......................................................................................-23-3.3滚珠丝杠螺母副....................................................................................................-24-3.4滚珠丝杠螺母副的设计与选型........................................................................-28-3.5步进电动机的计算和选型................................................................................-31-第四章横向进给传动系统设计......................................................................................-33-4.1滚珠丝杠螺母副的设计与选型........................................................................-33-4.2步进电动机的计算和选型..................................................................................-35-4.3滚珠丝杠的保护....................................................................................................-36-4.4刀架的选型.............................................................................................................-37-第五章床身与导轨...........................................................................................................-38-5.1床身设计................................................................................................................-38-5.2导轨设计.................................................................................................................-39-第六章控制系统设计......................................................................................................-41-6.1确定硬件电路的总体方案................................................................................-41-6.2主控制器CPU的选择.........................................................................................-41-6.3存储器扩展电路设计.........................................................................................-41-6.4主轴电机驱动电路..............................................................................................-42-6.5越界报警................................................................................................................-42-目录IV结论........................................................................................................