济南大学毕业设计济南大学毕业设计PAGE-2-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ABSTRACTAlongwiththemodernscienceandtechnologydevelopment,themodernenginebedaretendingtothefunctiondiversificationdevelopmentdaybyday.Pursuinganattiretoclampthewholeprocessingofcompletingthecomponentshasalreadybecamethetrendofthedevelopmentofmanufacturingindustry,whichnotonlymayreducetheprocessperiod,increasetheworkingaccuracy,butalsocanreducetheproductioncycle,raisethewholeproductionefficiencyfinally.Acutterbarendfixesonthemainaxle,theotherendinisrevolvinginthebearingwhichlocatesatthecutterbarplace.Designsthemillingsystem'smulti-purposeenginebedsisbondstheturningandthemillingfunctioninabody,anattireclampsmaycarryontheturningandthemillingprocessingtotheworkpiece.WhatIdesignisthemillinginstallmentofthemulti-purposeenginebeds,whatIchooseontheelectricmotorpoweris0.75KW,itcanrealizethemillingsystem's6kindofrotationalspeeds:for350,500,710,1000,1400,2000RPM,whendesignsthesysteminsatisfiesthestructurerequestinthesituation,atthesametime,whatweneedisthatmakingthestructuretobesimple,theconvenientcut,thehightransmissionprecision,thebigtransmissiontorque.Thisdesignismainlyonenginebed'smainaxledesign,theexamination,thewormgearwormdrivedesign,thekeyandthebearingselectscarriesonthedesign,aswellasthebeltstretcher,themainaxleinnerconehole'sdesignandsoon.Keywords：multi-purposeenginebeds;milling;millingmachinemainaxle;millingmachine目录摘要………………………………………………..…….….……………...=1\*ROMANIABSTRACT…………….……………………..…………….=2\*ROMANII1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…………………………………………………………..32.2铣削装置的工作原理………………………….………