汽车覆盖件模具斜楔机构关键技术的研究

华中科技大学硕士学位论文汽车覆盖件模具斜楔机构关键技术的研究姓名：孙亚东申请学位级别：硕士专业：材料加工工程指导教师：李志刚;王义林2011-01-13IMISUMISANKOPUNCHCADUGIIAbstractThecammechanismisanimportantissueinautomobilepaneldiedesign,andthedesignofcammechanismisamoredifficultpartinthediedesign.Thedesignqualityofcammechanismhasthedirecteffectonthestructuredesignofdie,thequalityofpunchingtrimmingandflangingprocess.Thedesigntimeofcammechanismcoversalargepartofthetotaldesigntimeofthepaneldie.TheremoreitsdesignefficiencydirectlydeterminesthedesignefficiencyoftheautomobilepaneldieThestrictrequirementsofpaneldecidethecomplexityandimportanceofthecammechamism.Thetraditionalcammechanismdesignhighlyreliesontheexperienceofthedesigners,andtocompleteadesignoftenneedstrialandrevisalmanytimes.Itmakescamdesignbecameabottleneckofautomobilepaneldie.Thesishasmadecomprehensiveanalysisofthefeaturesofthecam,summarizeditsfunctionstructureclassificationrelationshipbetweenstressanddisplacementanditsapplication.Anditalsoanalysesthereasonsoflowdesignefficiency,summarizesthegeneraldesignprocessandthemethodofdeterminingtheparametersofthecam.Inordertofacilitatethecammechanismdesignsystemimplementat,itsummarizesthecammechanismintoageneralone,andmakestheparametersoptimized.Thisarticleconcludedageneralmethodofcomputer-aideddesignforcamdesign,anddevelopedacamdesignsystermforautomotivepaneldiedesign.Accordingtheneedsofindustrialdesign,thesystemiscomposedofthestandardcamtoolandthespecialcamtool.Thestandardcamtoolprovidesthecurrentmainstreamstandardcamdesign(suchansMISUMI,SANKO,PUNCH),andestablishesastandardcamlibrary.Thestandardlibraryiscompatiblewithbothparametricmodelandnon-parametricmodel,andgreatlyimprovesitsapplicability.Thespecialcamtoolprovidesastronggeneratingandeditingfeatures,andgreatlyreducesthecamdesigncomplexity.Theautomotivepanelcamdesignsystemisanewststermforpaneldiedesign.Thissystemcombinedtheexperienceofdesigners,thespecificationsofthecamdesign,andindustrystandardtogetherthroughtheCADtechnology.Iteffectivelyimprovedthequalityandefficiencyofcammechanismdesign,andensuredtheapplicabilityofthesystem.Keywords:automobilepanel;cammechanism;designoptimization;parametricdesign;standardization;UG(“”)::111.11.1.1UG-NX1.1.2[1][2],,2,,CAD[3]CAD1.1.331.21.2.1CAD[4]CAD[5,6]AKTCADCAD[7]1982CAD1989CAD/CAMDieface-CAD[8]CADCAD100%CAD/CAMCorporateGraphicsSystemUnigraphics[9,10]CAD[11,12]CAD4[13]CAD/CAMCADCADCADCAD/CAMCAD/CAMUnigraphicsPROECATIACAD/CAMCAD/CAMCAD[14,15]CAD/CAMCAD/CAPP/CAMCADCAD/CAM1.2.2[16]CAD1978L.Hilbert51997[17]200171001[18]20037[19]20066,[20][21-27]CADCADCADCAD1.2.3CAD70%CAD[28]CAD[29]CADCAD[30]:612[31]3CADCADCADCADCAD4CADCADUGPROECATIACADCADCAD571.2.4[32,33]1[34]23[35]4[36,37]81.312345CAD92[38]2-12-12.1101232.2[39]2.2.1(?1)2-211(?1)(?1)(?1)2.2.22-3122-42.2.313MISUMISANKOPUNCH2-52-62.2.4142.32-711523Z4XZ5A2.3.1[20],2-8[18]:P=Ftan?2-1L=S/tan?2-2Q=F/cos?2-3V=Ftan?2-4?FQ16VLS2.3.2(?1),2-9(?1)(?1):P=Fsin?2/cos(?2?1)2-5V=Ftan(?2?1)2-6Q=F/cos(?2?1)2-7L=Scos(?2?1)/sin?22-8PF?1?217QVLS2.3.30702-10[18]:P=Fcos?2/sin(?1+?2)2-8L=Ssin(?1+?2)/cos?22-9Q=F/sin(?1+?2)2-10S'=Scos?1/cos?22-11V=F/tan(?1+?2)2-12PF18?1?2QVLSS'2.3.42-11,,,902.3.5?2=060,,2-12192033.1[40]F=LTsb3-1LTsbF=KLTsb3-2K0.7-0.9LTsbF=AP3-3P2.5-3MPAA5103.1.121Z3.1.250600510152025303540455055602?240,303-1223-13-2?1?2?2=?1/2+403-4?2=?1/2+303-53-23.1.323A++B3-33-3ABA50mm30mmA50mmwmaxw1w23-43-45mm30mm243.1.4[41]F=++F=LTsbLTsbF=KLTsbK0.7-0.9LTsbF=APP2.5-3MPAA1.523.1.5VV10.5kg/mm220.8kg/mm23453kg/mm225410kg/mm23-13-1Slide_WW1W12007511001200~40010011001400~6001002100~1252600~800100~15021502800~10001502150~20021000~1400150~200320031400200~2503200~2503-43.1.61.511.513-53-53-61/350mm80mm26100mm3-62/3WTWP1_LWTWP1_L-WT–B_HMAX(WP1_L/3,50)3-6B_HWP2_LSTWP2_L-ST–B_HMAX(WP2_L/3,100)3-73.23-7273-7F=Pcos(?2-?1)/sin?23-8Q=F/cos(?2-?1)3-9V=Ftan(?2-?1)3-10L=Scos(?2-?1)/sin?23-11S=Ssin?2/cos?13-12?1?2FPQVSLS28?10?1?13.33-83-8(?2)SF?2[42]?2SF[43]29SLABCACB?2ABAD?1CAB=CAD+BAD=(90°-ACB)+?1=90°-?2+?13-13LsinACBsinBACS=3-14sinsinsinACBLsinBACsin90-+cos(-)S===3-153-93-9xy1122sin-Qcos=0FxNF=+∑3-162122cosQsin=0FyFFP=++-∑3-17QF1N1F2N1F1=Q,F2=N13-163-1730222sin+(1-)cosPQQ=3-183-10xy211213cos(-)-sin(-)=0FxQFFF=--∑3-19221121sin(-)-cos(-)=0FyNQF=-∑3-2021212sin-(1-)cos-FQQ=-3-21F*S*PLh==212sincos()FPqqq=-3-152121222122sin-(1-)cos-sin*2sin+(1-)coscos()QQQQqqq-=-221221tan()21cot2mqqmmqm---=-+3-223121A=2mm-:212Atan()Acotqqhq--=+3-23?1212lnln[Atan()]ln(Acot)hqqq=---+3-24?2222122212sec()csc1*Atan()Acotddqqqmhqqqq---=---[phone]sin*(Acot)cos()*[Atan()]qqqqqq=-+---002222212111-0sin?*(A+cot?)cos(?-?)*[A-tan(?-?)]=121sin(cotAtancos(cotAarcarcqqq-±=-3-25?2090121sin(cotAtancos(cotAarcarcqqq-=-3-26121sin(cotAarctancos(cotAarcarcqqq-=-3-270.10.08,0.100.12?1?23-2323-2?1?2=39.289+?1/23-28?2=40+?1/23-11S=Lsin?2/cos(?2-?1)=L/(cos(?2-?1)/sin?1)=L/(cos?1*cot?2+sin?1)3-29?1?2090?2?2F=Pcos(?2-?1)/sin?2V=Ftan(?2-?1)33V=P*tan(?2-?1)*cos(?2-?1)/sin?2=P*sin(?2-?1)/sin?2=P*(sin?2cos?1–cos?2sin?1)/sin?2=P*(cos?1–cot?2sin?1)3-30?2?2?2?21?10403045502?10?2=?1/2+403-31?2=?1/2+303-32?2=?1/2+453-33?2=?1/2+50