1SAICGMWuLingAutomobileCo.,LtdTDCLanXianSAICGMWulingAutomobileCo.,LtdTechnicalDevelopmentCenterBodyEngineerSectionDimensionEngineerTel07723750910Fax07723719994mailto:Xian.Lan@sgmw.com.cn2SAICGMWuLingAutomobileCo.,LtdTDCDTS3SAICGMWuLingAutomobileCo.,LtdTDC()()“”4SAICGMWuLingAutomobileCo.,LtdTDC“”“”5SAICGMWuLingAutomobileCo.,LtdTDC“”()6SAICGMWuLingAutomobileCo.,LtdTDC“”():7SAICGMWuLingAutomobileCo.,LtdTDC“”()()8SAICGMWuLingAutomobileCo.,LtdTDC9SAICGMWuLingAutomobileCo.,LtdTDC“”—10SAICGMWuLingAutomobileCo.,LtdTDC11SAICGMWuLingAutomobileCo.,LtdTDC612SAICGMWuLingAutomobileCo.,LtdTDC•3••3••13SAICGMWuLingAutomobileCo.,LtdTDC14SAICGMWuLingAutomobileCo.,LtdTDC14615SAICGMWuLingAutomobileCo.,LtdTDC14616SAICGMWuLingAutomobileCo.,LtdTDC14617SAICGMWuLingAutomobileCo.,LtdTDC14818SAICGMWuLingAutomobileCo.,LtdTDC14819SAICGMWuLingAutomobileCo.,LtdTDC14820SAICGMWuLingAutomobileCo.,LtdTDCGBll82—8021SAICGMWuLingAutomobileCo.,LtdTDC22SAICGMWuLingAutomobileCo.,LtdTDC¾39/23SAICGMWuLingAutomobileCo.,LtdTDC40GMA¾24SAICGMWuLingAutomobileCo.,LtdTDCASME43440.50.5GB25SAICGMWuLingAutomobileCo.,LtdTDCGMABC2.50.5ABC2.50.5AABCABCAABC2.50.512ABC2.50.5ABCA26SAICGMWuLingAutomobileCo.,LtdTDCABC2.50.5ABCABCABCABCABCABC2.50.5ABBB34ABC2.50.5ABCABABC2.50.5ABCABC27SAICGMWuLingAutomobileCo.,LtdTDC0.1A()0.84528SAICGMWuLingAutomobileCo.,LtdTDC0.2A()B()0.84629SAICGMWuLingAutomobileCo.,LtdTDC55¾SØ0.630SAICGMWuLingAutomobileCo.,LtdTDC()56GBØ0.431SAICGMWuLingAutomobileCo.,LtdTDC57GB32SAICGMWuLingAutomobileCo.,LtdTDC()a)()()585333SAICGMWuLingAutomobileCo.,LtdTDCb)59(34SAICGMWuLingAutomobileCo.,LtdTDC6035SAICGMWuLingAutomobileCo.,LtdTDC6136SAICGMWuLingAutomobileCo.,LtdTDC¾GB6237SAICGMWuLingAutomobileCo.,LtdTDC¾63GB38SAICGMWuLingAutomobileCo.,LtdTDCSizeØSØØtSØtt39SAICGMWuLingAutomobileCo.,LtdTDCOrientation&Location642xØ80.05Ø0.5MA500.22xØ80.05Ø0.5MA6450AAA40SAICGMWuLingAutomobileCo.,LtdTDCGB70Ø0.5PA4xØ8H740PAØ10070P41SAICGMWuLingAutomobileCo.,LtdTDC∅20h60-0.013+0.0210∅20H700.0347271∅2007172:()42SAICGMWuLingAutomobileCo.,LtdTDC1—A1A2A37343SAICGMWuLingAutomobileCo.,LtdTDC2A—()()()()7444SAICGMWuLingAutomobileCo.,LtdTDC75B—()()()()45SAICGMWuLingAutomobileCo.,LtdTDC3(MMC)(MMS)A(MMC)—()B(MMS)—()DMM=Dmin()dMM=dmax()4(LMC)(LMS)A(LMC)—()B(LMS)—()DLM=Dmax()dLM=dmin4()46SAICGMWuLingAutomobileCo.,LtdTDC5(MMVC)(MMVS)A(MMVC)—(MMC)76ttB(MMVS)—(MMVC)()DMV=Dmin-tMMSMMSMMVSMMVS()dMV=dmax+t47SAICGMWuLingAutomobileCo.,LtdTDC6(LMVC)(LMVS)A(LMVC)—(LMC)77ttLMSLMSLMVSB(LMVS)—(LMVC)()DLV=Dmax+tLMVS()dLV=dmin-t448SAICGMWuLingAutomobileCo.,LtdTDC7—A(MMB)—(MMS)B(LMB)—(LMS)C(MMVB)—(MMVS)D(LMVB)—(LMVS)GMA-9149SAICGMWuLingAutomobileCo.,LtdTDC8Regardlessoffeaturesize(RFS)GM()ISOGB(78)78∅20Ø0.50-0.5∅0.5∅20∅19.75……∅19.550SAICGMWuLingAutomobileCo.,LtdTDCGMA-911–PERFECTFORMATMMCSSS2GM()SGM51SAICGMWuLingAutomobileCo.,LtdTDC79∅0∅0.25……∅0.5∅20(MMS)∅19.75……∅19.5(LMS)(GBAEnvelopeRequirementGM1)(MMB)(LMS)3)MMCMMS()2)GM0M(79)∅20∅0M0-0.552SAICGMWuLingAutomobileCo.,LtdTDC∅0.25800.2580∅0∅0.1∅0.25∅0.25∅0.25∅20(MMS)∅19.9∅19.75……∅19.5(LMS)4)64650Dmin-dmax=20-20=0∅0.25∅20∅0M0-0.553SAICGMWuLingAutomobileCo.,LtdTDCGBE81815)6)GB∅20∅0M0-0.50-0.5∅20E=GMGBGM=0-0.5∅20GM54SAICGMWuLingAutomobileCo.,LtdTDCØtAØtAØtABCB1(MMVB)(MMS)(MMC)28282MMMMMMM4355SAICGMWuLingAutomobileCo.,LtdTDC∅0.5∅0.75……∅1∅20(MMS)∅19.75……∅19.5(LMS)∅20∅0.5M0-0.5835.1)(8384)(MMVB)(MMS)(LMS)(MMC)(MMC)MMS56SAICGMWuLingAutomobileCo.,LtdTDC84MMSLMSMMVS=MMS+t=10+0.06=10.068384A57SAICGMWuLingAutomobileCo.,LtdTDCMMVS=MMS–t=10.7–2.8=7.9MMVS=MMS–t=10.7–0.3=10.458SAICGMWuLingAutomobileCo.,LtdTDC5.2)a)(MMVB)850.0M==∅500.03M=4-0.03=3.97MMVS=MMS-t=8.6-0.3=8.359SAICGMWuLingAutomobileCo.,LtdTDCb)M(MMB)86MMBMMS=15.05MMVS=MMS+t=24.4+0.4=24.860SAICGMWuLingAutomobileCo.,LtdTDC()MMS5.3)787961SAICGMWuLingAutomobileCo.,LtdTDC()(d)()(c)5.4)62SAICGMWuLingAutomobileCo.,LtdTDCGMCLeastMaterialRequirement1(LMVB)(LMS)(LMC)2L35463SAICGMWuLingAutomobileCo.,LtdTDCØtMRA88,7957DReciprocityRequirement(GMISO(RR)—RML80D64SAICGMWuLingAutomobileCo.,LtdTDC3()1∅19.7-20-0.30∅0.10.119.7202∅0.1∅20-20.30+0.30.120.32065SAICGMWuLingAutomobileCo.,LtdTDC∅19.7-20LMS=19.7MMS=20-0.300.3∅0.1M∅19.7-2043-0.30+0.1LMS=19.7MMS=200.4MMVS=MMS+t=20+0.1=20.10.1∅0M66SAICGMWuLingAutomobileCo.,LtdTDC∅19.7-20LMS=19.7MMS=20-0.3-0.200.219.80.350+0.3LMS=20.3MMS=200.36∅0.2∅0M∅20-20.3∅0M67SAICGMWuLingAutomobileCo.,LtdTDC70+0.30.3LMS=20.3MMS=208∅20-20.3MMVS=MMS-t=20-0.1=19.9-0.10+0.3LMS=20.3MMS=200.4∅0.1M0.10.220.15+0.2∅20-20.3∅0M∅0.268SAICGMWuLingAutomobileCo.,LtdTDC9∅0.4LAA6∅8-8.250+0.25+0.65LMS=8.25MMS=80.65LMVS=LMS+t=8.25+0.4=8.650.48769SAICGMWuLingAutomobileCo.,LtdTDC//2.0+0.5/-0.3consistency:2Gap:5.0+0.5/-0.3Flush:0+0.5/-0DTS