




已阅读5页,还剩8页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1毕业设计(论文)外文参考文献翻译机械工程系(院)2008届题目(中文)电主轴的机械设计(英文)themechanicdesignsofelectricspindles学生姓名专业班完成日期:2008年3月23日目录21.电主轴技术水平分析(8)2.高速电主轴单元(14)Theelectricaltechnicallevelofmainshaftisanalysed3Abstract:Electricalmainshaftistheprocessingmachinetoolofnumericalcontrolheartparts,thispaperhasintroducedtypicalstructureandtheworkingprincipleofelectricalmainshaft,haselaboratedthecrucialtechnologyofelectricalmainshaft,hassummarizedittodeveloptendency.Keyword:Theelectricalporcelainballofmainshaftmixthebearinglubricationofoilgas1,itisgeneraltostatetheprocessingqualitythatcannotonlyraiseprocessingefficiencysubstantiallybecauseofhighspeedprocessingandcanstillraiseworkpieceapparently,so,itsapplicationfieldisveryextensive,isespeciallyinaerospace,themanufacturingindustriessuchasautomobileandmouldin.Itisspoiltrecentlythatso,themachinetoolofnumericalcontrolthathashighspeedprocesscapabilityhasbecomemarket.Now,thedomesticandinternationaleachfamousmanufacturerofmachinetooladoptstheelectricalstructureofmainshaftextensivelyinthemachinetoolofnumericalcontrol,isespeciallybeingcompoundtoprocessmachinetoolandmuchaxletounitetomove,polyhedronprocessingmachinetoolandthemachinetoolofparallelconnectionin.Electricalmainshaftistheprocessingmachinetoolofnumericalcontrolheartparts,itsperformanceindexdirectdecisionthelevelofmachinetool,itisthatmachinetoolrealizesbasicconditionandtheprerequisiteofhighspeedprocessing.2theworkingprincipleelectricalmainshaftoftheworkingprinciple,typicalstructureand2.1advantageelectricalmainshaftsofelectricalmainshaftisthedirectmotorrotorofbehollowpackinmainshafton,statorknowssuper-coolingbutcoverfixes,formacompleteunitofmainshaftinthecasingholeofmainshaft,afterstartingeclectricityrotordirectlydrivetheoperationofmainshaft.Thetypicalstructurallayoutwayofthetypicalstructuralelectricalunitofmainshaftof2.2electricalmainshaftsisthatgeneratorsetsupbeforemainshaft,rearaxleChengbetween(aspictureshow),itsadvantageisthattheaxialsizeoftheunitofmainshaftisthebig,medium-sizedmachinetoolofnumericalcontrolshortcomparatively,therigidityofmainshaftbig,powersuitscomparatively;Itisinsufficienttobethenaturallyscatteredhotconditioninthegeneratorinthecasingofmainshaftthatenclosestodifferfrom,hashighertemperaturerise.The1casingsofmainshaftthe2coolingsetsof345importstatorrotorsofcoolingwaterthe6setsof78910former11canexportfeedbackinstallationbearingrearaxlesofcoolingwaterofrunnershaftofmainshaftofmainshaftChengtheadvantageelectricalprovinceofmainshaftof2.3electricalmainshaftshavegonetotakeshiporpositivedrive,the0transmissionsthathaverealizedmachinetoolhaveraisedtransmissionefficiency.Therigidityof4electricalmainshaftgood,rotaryprecisionissexhighrespondfastgood,canrealizeveryhighrotationalspeedandaddandslowdowndegreeanddecideanglestopfastdefinitely(Caxlecontrol),thescopeofspeedadjustmentiswide.3,thecrucialtechnicalconceptofelectricalmainshaftofelectricalmainshaftshouldnotbesimpletounderstandforthemerelyasleeveofmainshaft,andshouldbeasetofassembly,include:Stator,rotor,bearing,thehighspeedinstallationoffrequencyconversionandlubricationinstallandcoolinstallation.Thereforeelectricalmainshaftisthewithhighspeedbearingtechnical,lubricationtechnical,coolingtechnicaltechnical,preciseproductionofdynamicbalancingwiththetechnologiessuchasassemblytechnologyaswellasgeneratorhighspeeddrivesynthesizetoutilize.Thewithhighspeedbearingtechnologyof3.1electricalmainshaftsrealizestheelectricalhighspeedofmainshafttomelt,ispreciseandcrucialtobetheapplicationofhighspeedprecisebearing.Nowthebearingthatappliedinhighspeedpreciseelectricalmainshafthavepreciserollbearingandliquidmovementpressbearingandgaspressbearingandmagneticsuspensionbearingquietly,butitispreciseanglecontactporcelainballbearingandprecisecylinderrollerbearingmainly.Itishighthatliquidmovementpressthestandardizationlevelofbearing;Gaspressesbearingquietlytobeimproperforintherateoccasionofgreatmerit;Magneticsuspensionbearingbecauseofcontrolsystemcomplex,priceisexpensive,itspracticalitygetsrestriction.Anglecontactballbearingcannotonlyatthesametimebearradialandaxialload,andrigidityhigh,highspeedperformancegood,structuralsimplecompact,kindspecificationsnumerousrepaireasilytochange,thusinelectricalmainshaft,getextensiveapplication.Nowalongwiththedevelopmentofporcelainbearingtechnology,theelectricalbearingofmainshaftofthemostapplicationistomixporcelainballbearing,rollbodyuseSi3N4porcelainball,withthestructureoflittlepearldensepearl,bearingferruleenclosesforGCr15steel.Isthiskindoftomixbearingtopasstoreducelittlecentrifugalforceandtopmoment,reducethefrictionbetweenlittleballandracewaygroove,sogetlowertemperatureriseandbetterhighspeedperformance.Porcelainballmixbearingandsteelballbearingcompare,advantageisasfollows:(1)theporcelainballbearingfrictionperformanceofporcelainandsteelcompositionverygood,canreducethestressofmaterialandlubricant.(2)becauseofporcelaindensitylow,canreducethecentrifugalforceinoperation.(3)theheatwithlowerporcelaincoeffi
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 煤矿安全检查作业教案(法律法规职业病防治)16年1月
- 2012政法干警考试专业综合Ⅱ模拟试题含答案
- 2025年衢州常山县公安局招聘考试笔试试题(含答案)
- 2025年辽宁沈阳上锦城市建设集团有限公司招聘考试笔试试题(含答案)
- 老年人护理技术课件
- 老年人健康与营养课件
- 2025年白术市场分析报告
- 餐饮业快餐店租赁合同及外卖配送服务协议
- 餐饮业员工福利待遇与合作合同
- 美术课件儿童
- 云南经济管理学院就业协议书
- 九年级全一册英语单词默写表(人教版)
- DB50T 990-2020 地质灾害治理工程施工质量验收规范
- 2024年交通基础设施行业信用回顾与2025年展望
- 2025年山东省济南市槐荫区所属事业单位考试笔试高频重点提升(共500题)附带答案详解
- 专题1 重要词汇复习及专练-2022-2023学年七年级英语上学期期末考点大串讲(人教版)(试题版)
- AI赋能科技营销
- SYB课件(大学生版)
- 云计算服务器租赁合同范本
- 老年性白内障的护理查房
- 护理静疗持续改进案例
评论
0/150
提交评论