GBT 4504-1998标准（英文版）

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1、GB/T4504-1998ForewordThisstandardmodifiesGB/T4504-1984BeadunseatingresistancetestfortubelesspassengercartyresbasedonISO10191:1993Passengercartyres-Verifyingtyrecapabilities-Laboratorytestmethods(edition1).Themaintechnicalcontentofthisstandardequalstot

2、hatoftheinternationalstandard.Inordertoadapttotheinternationalbusiness,technologyandeconomiccommunication,andmeettherequirementsofintegratingwiththeinternationalstandard,thenationalpassengercartyreperformancetestshallbemodifiedtoaccordwiththeinternati

3、onalstandard.1Maindifferencesbetweenthisstandardandtheoriginalstandard(1)Technically,thetestmethodoftakingconsiderationofbothdiagonaltyreandradicaltyreoftheoriginalstandardischangedtofocusingontheradicaltyre,andthediagonaltyretestpressureispresentedin

4、theformofnote.(2)Thetestinflationpressureisadjusted;thespecificationoftestingthelevelcorrespondingpressureoftheoriginalstandardischanged.(3)ThetyretestofrimnominaldiameterNo.17,18and19isadded,andthedimensionispresentedby“P”.2Maindifferencesbetweenthis

5、standardandtheinternationalstandard(1)Thepassengercardiagonaltyretestisreservedbasedonthenationalconditions.Thetechnicalspecificationforpassengercarradicaltyreisexecuted.(2)Basedonthecurrentdeviceconditionsofournation,thebeadpressingblockanddimensions

6、hallbetheTypeBpressingblockspecifiedinISO10191:1993.(3)T-typetyretestitemandindexspecifiedinthenationalstandardfortemporarysubstitutionisdeleted.(4)Theregulationof“inflatedtyreshallbeparkedfor3h”isadded.ThisstandardhassupersededGB/T4504-1984sincetheda

7、teofimplementation.ThisstandardisproposedbytheMinistryofChemicalIndustryofthePeople'sRepublicofChina.ThisstandardisunderthejurisdictionoftheChinaNationalTechnicalCommitteeforStandardizationofTyresandRims.Thedraftingunitofthisstandard:ChemicalIndustryD

8、epartmentofBeijingRubberIndustrialResearchInstitute.Themaindraftsmenofthisstandard:LiuShifangandWangKexian.ThisstandardwasissuedinJune,1984forthefirsttime.ThisstandardisexplainedbytheChinaNationalTechnicalCommitteeforStandardizationofTyresandR