数控系统设计

原创承诺书我承诺所呈交的毕业论文是本人在老师指导下进行的研究工作及取得的研究成果。据我查证，除了文中特别加以标注和致谢的地方外，论文中不包含其他人已经发表或撰写过的研究成果。若本论文及资料与以上承诺内容不符，本人愿意承担一切责任。毕业论文作者签名：___________________年月日摘要本文阐述了一种对旧数控铣床进行改造的设计与工程实践的方法，该方法已经过实际应用的验证，可以用于类似情况下对数控铣床的改造实践。课题研究选择铣床改装领域中，旧数控铣床改装这一少有问津的题目；对象是针对一台数控系统基本报废的、机械系统尚处于可用状态的旧数控铣床；目的为将其改造成为一台功能比较完善，操作简单，使其精度、效率和自动化程度得到较大提升，更好的适应新工艺、新技术使用；并进而探索出一条旧数控铣床改造的新路，使具有较高剩余价值的老旧设备重新发挥作用，为开辟铣床改造市场作一点技术储备，争取获得良好的经济效益和社会效益。本文对改造的做法做了详细的说明。总体上不对机械系统作大的更改，只进行适当的调整、修复和维护，更换易损件；废弃原有的老旧数控系统，依据改造要求选择与购买新的主流数控系统取而代之；按照实际需要设置、调整、设计系统的应用软件，使之符合生产实际；按照国家标准和生产任务需求进行性能测试；通过试生产进行验收。研究过程中充分利用系统提供的技术手段，参考国内外的先进经验，考虑用户的实际情况，完成系统的选择与连接，进行参数设置，对用户程序进行设计、修改与开发，整机的调试与验收。文章中分层次对这些阶段的工作内容一一加以分析，在旧数控铣床改造这个新领域找到了一条新路。经过试运行的验证，这条路是切实可行的，能够给有相似问题的企业一些新的启发，也为市场提供一种新思路。关键词：数控铣床控制系统设计XK714CNCMillingMachineupgradingprogramdesignAbstractThisarticleelaboratedonekindcarriesonthetransformationtotheoldnumericalcontrolmillingmachinethedesignandtheprojectpracticemethod,thismethodpassedthroughthepracticalapplicationconfirmation,mayuseinthesimilarsituationtothenumericalcontrolmillingmachinetransformationpractice.Thetopicresearchchoicemillingmachinere-equipsinthedomain,theoldnumericalcontrolmillingmachinere-equipsthetopicwhichthisasksaboutunusually;Theobjectwasaimsatanumericalcontrolsystembasicabandonment,themechanicalsystemstillisattheavailableconditiontheoldnumericalcontrolmillingmachine;Thegoalfortransformsintoitafunctionquitetobeperfect,theoperationissimple,causesitsprecision,theefficiencyandtheautomaticityobtainspromotesgreatly,betteradaptationnewcraft,newtechnicaluse;Advancestogetherexploresthenewroadwhichanoldnumericalcontrolmillingmachinetransforms,enabletohavethehighsurplusvalueobsoleteequipmenttoplaytherole,foropensthemillingmachinetotransformthemarkettomakeatechnologicalstrength,strivesforobtainsthegoodeconomicefficiencyandthesocialefficiency.Thisarticlehasgivendetailedshowingtothetransformationprocedure.Asawholedoesnotmakethebigchangetothemechanicalsystem,onlycarriesonthesuitableadjustment,therepairandthemaintenance,replacementvulnerable;Abandonstheoriginalobsoletenumericalcontrolsystem,choosesbasedonthemodificationrequirementandpurchasesthenewmainstreamnumericalcontrolsystemtodisplace;Accordingtotheactualneedestablishment,theadjustment,thedesignsystemapplicationsoftware,causesittoconformtotheproductionreality;Carriesontheperformancetestaccordingtothenationalstandardsandtheproductiontaskdemand;Carriesontheapprovalthroughthetrialproduction.Intheresearchprocessfullythetechnicalmethodwhichprovidesusingthesystem,referstothedomesticandforeignadvancedexperiences,consideredtheusertheactualsituation,completesthesystemthechoiceandtheconnection,carriesontheparameterestablishment,carriesonthedesign,therevisionandthedevelopmenttotheuserprogram,thecompletemachinedebuggingandtheapproval.Inthearticle11analyzesinadministrativelevelstothesestageworkcontent,transformedthisnewdomainintheoldnumericalcontrolmillingmachinetofindanewroad.Aftertriestheconfirmationwhichmoves,thisroadispracticalandfeasible,cangivehassimilarquestionenterprisesomenewinspirations,alsoprovidesonekindofnewmentalityforthemarket.KeyWords：Numericalcontrolmillingmachine;ControlSystemDesign；目录摘要IAbstractII1绪论11.1课题研究的背景....................................................11.1.1课题研究的意义...............................................11.1.2数控技术的发展与现状.........................................11.2国内外研究的现状..................................................21.2.1国内市场现状.................................................21.2.2数控化改造在国外的应用现状...................................21.2.3当前数控技术的基本情况.......................................21.3本文的主要内容...................................................31.3.1课题研究的目的与基本思想.....................................31.3.2课题研究的内容与基本特点....................................41.3.3课题研究的步骤..............................................42系统方案设计62.1改造对象的概况....................................................62.1.1机械结构问题分析............................................62.1.2电气控制系统................................................62.2改造方案设计.......................................................72.2.1机械部分的处理方案..........................................72.2.2电气控制系统的处理方案.......................................72.2.3电柜.........................................................82.3CNC装置的选型.....................................................82.3.1基本性能要求................................................82.3.2主流CNC装置性能比较与选型结论.............................102.4驱动系统设计.....................................................132.4.1主轴驱动单元...............................................132.4.2进给驱动单元...............................................142.5配电柜...........................................................152.5.1电源单元...................................................152.5.2电柜结构设计...............................................162.6外设使用.........................................................162.6.1手持单元...................................................163系统连接与调试173.1各子系统调试.....................................................173.1