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1、济南大学毕业设计23济南大学毕业设计摘要随着现代科技的发展,现代机床向功能多样化发展的趋势日趋明显。追求一次装夹下完成零件的全部加工,已经成为制造业的发展趋势,这样不但可以缩短加工时间,提高加工精度,而且能够缩短生产周期,最终提高整体生产效率。所设计铣削系统的多功能机床是将车削和铣削功能复合于一身的,一次装夹可对工件进行车削和铣削加工。本设计的是多功能机床的的铣削装置,所选电动机功率为0.75Kw,能够实现铣削系统的6种转速:为350、500、710、1000、1400、2000RPM,在设计系统时在满足结构要求的情况下使结构简单、切
2、换方便,传动精度高,传递扭矩大。此次设计主要就机床的主轴设计及校核、蜗轮蜗杆传动设计、键和轴承的选用进行设计,以及皮带张紧装置、偏心套设计等进行设计。关键词:多功能机床;铣削;铣床主轴;铣床23济南大学毕业设计ABSTRACTAlongwiththemodernscienceandtechnologydevelopment,themodernenginebedaretendingtothefunctiondiversificationdevelopmentdaybyday.Pursuinganattiretoclampthewhole
3、processingofcompletingthecomponentshasalreadybecamethetrendofthedevelopmentofmanufacturingindustry,whichnotonlymayreducetheprocessperiod,increasetheworkingaccuracy,butalsocanreducetheproductioncycle,raisethewholeproductionefficiencyfinally.Acutterbarendfixesonthemainaxl
4、e,theotherendinisrevolvinginthebearingwhichlocatesatthecutterbarplace.Designsthemillingsystem'smulti-purposeenginebedsisbondstheturningandthemillingfunctioninabody,anattireclampsmaycarryontheturningandthemillingprocessingtotheworkpiece.WhatIdesignisthemillinginstallment
5、ofthemulti-purposeenginebeds,whatIchooseontheelectricmotorpoweris0.75KW,itcanrealizethemillingsystem's6kindofrotationalspeeds:for350,500,710,1000,1400,2000RPM,whendesignsthesysteminsatisfiesthestructurerequestinthesituation,atthesametime,whatweneedisthatmakingthestructu
6、retobesimple,theconvenientcut,thehightransmissionprecision,thebigtransmissiontorque.Thisdesignismainlyonenginebed'smainaxledesign,theexamination,thewormgearwormdrivedesign,thekeyandthebearingselectscarriesonthedesign,aswellasthebeltstretcher,themainaxleinnerconehole'sde
7、signandsoon.Keywords:multi-purposeenginebeds;milling;millingmachinemainaxle;millingmachine23济南大学毕业设计目录摘要………………………………………………..…….….……………...IABSTRACT…………….……………………..…………….II1前言.…………………………………………….….……………..12铣削装置系统的总体设计..........……..….………………………….…..….………….32.1铣削装置的传动方案………………
8、…………………………………………..32.2铣削装置的工作原理………………………….………………...………………..33皮带传动的设计..........……..….………………………….…..….……………………52