ad-25经济型数控机床z向进给系统设计

AD-25经济型数控机床Z向进给系统设计目录中文摘要、关键词.........................................................1英文摘要、关键词.........................................................2引言.......................................................................2第1章绪论...............................................................41.1数控机车研究的意义..................................................41.2国内外的发展方向....................................................41.2.1我国数控机床技术的发展历程、现状与趋势..................................51.2.2当前世界数控技术现状和发展趋势...........................................6第2章AD-25数控车床介绍...............................................82.1机床概述............................................................82.1.1机床结构......................................................................82.1.2刀架..........................................................................82.1.3主轴..........................................................................82.1.4X、Z轴传动..................................................................92.1.5尾座..........................................................................92.1.6液压系统.....................................................................102.1.7润滑系统.....................................................................102.1.8安全保护.....................................................................102.1.9其它.........................................................................102.2机床结构图.........................................................112.3主要用途和使用范围.................................................122.4机床规格和技术参数.................................................122.4．1规格参数...................................................................122.4.2有效动作范围................................................................142.5传动系统...........................................................142.6润滑系统...........................................................162.7冷却系统...........................................................17第3章AD-25的Z轴进给的设计和校核.............................183.1丝杠的设计与校核...................................................183.1.1选择丝杠的规格.............................................................183.1.2丝杠的校核..................................................................193.2确定滚珠丝杠支承用的轴承代号、规格.................................243.3电机的选择.........................................................253.4联轴器的选择.......................................................26第4章机床的维护和保养................................................27结论......................................................................29致谢......................................................................30参考文献.................................................................31经济型数控机床Z向进给系统的设计摘要：数控机床及其制造系统的柔性化、集成化和网络化水平进一步得到提高，可按照市场需求，实现生产能力快速重组，以适应用户多品种变批量生产的需求，更要在精度上满足客户的需求。一台机床的精度主要分散在进给系统上，所以若能在进给系统有更高精度的突破，高精度、反向误差小、高负载能力、高可靠性、运行平稳。若满足这些机床的性能指标，从而提高数控机床加工质量和刀具的使用寿命。AD-25数控车床适宜加工各种形状复杂的轴、套、盘类零件,如车削内、外圆柱面、圆锥面、圆弧面、端面、切槽、倒角、车螺纹等，工艺适应性强，加工效率高，精度高，加工质量稳定，可降低对工人技术熟练程度的要求。编程容易，操作简单，可广泛适用于汽摩配件、家电、液压气动、轴承、仪器仪表、五金阀门等制造业中、小型零件的批量加工，是理想的中小型机械加工设备。通过技术调研，我们认为AD-25数控机床的开发具有可行性。该项目的实施过程，是根据国内市场的需求分析及调研的结果，确定产品的性能，进行总体设计，部件研制，安装，以及整机的调试等一系列过程，需要设计，制造，供应，机加工，装配等一系列的密切配合。关键词：AD-25数控机床制造系统数控加工DesignofAD-25ZFeedSystemonCNCMachineToolsAbstract：BeacauseofCNCmachinetoolsanditsmanufacturingsystemshasfurtherimproved,thelevelofflexibilityintegrationandnetwork.wecanachievetherapidreorganizationofproductioncapacityinaccordwithmarketdemandtomeetthevarietyofuserneedschangeproduction,butalsoinaccuracy.Theaccuracyofamachinemainlyscatteredinthesystemoftoolsfeed,soifthefeedsystemcanmakeangreatbreakthroughinprecision,highaccuracy,thereverseerror,highloadcapacity,highreliability,smoothrunningwillbeachieved.Iftheperformanceofmachinetoolscanmeetthesetargets,therebyimprovingthequalityofCNCmachiningscanbeimprovedandtoolslifewillbelonger.AD-25CNClatheisdesignedformachiningavarietyofcomplexshapeaxis,sets,disc-typeparts,suchasturning,theoutercylinder,conesurface,circular,end,grooving,chamfering,thread.suchlathe’stechnologyadaptationisstrong,theprocessingisefficientandtheprecisionishigh,thequalityisstable.ItcanreducetherangeofskilledworkersDegreerequirements.Itsprogrammingiseasyandtheoperationissimple,whichcanbewidelyusedinAutoparts,appliances,hydraulicpneumatic,bearings,instrumentsandmeters,valvesandotherhardwaremanufacturingindustry,thebulkprocessingofsmallparts,isidealforsmallandmedium-sizedmechanicalprocessingequipment.Throughtechnicalresearch,webelievethattheAD-25CNCmachinetoolswiththeviabilityofthedevelopment.Implementationoftheprojectisbasedontheneedsofthedomesticmarketanalysisandtheresultsofresearchtodeterminetheperformanceofproductsfordesign,componentsdevelopment,installation,andcommissioningofaseriesofmachineprocess,theneedforthedesign,manufacture,supply,machineprocessing,assemblingaseriesofclosecooperation.keywords：AD-25numerically-controlled;machinetool;Manufacturingsystem;CNCMachining引言数控机床的伺服进给系统由伺服驱动电路、伺服驱动装置、机械传动机构及执行部件组成。它的作用是接收数控系统发出的进给速度和位移指令信号，由伺服驱动电路做转换和放大后，经伺服