iso 29802-2017 all-terrain (at) tyres and rims

1、?ISO2017Allterrain(AT)tyresrims—Symbolmarkedpneumatictyreson5taperedrims—DesignationdimensionmarkingloadratingsPneumatiquesetjantestoutterrains—Pneumatiquesmarqusparunsymbolepourjantes5—Dsignationctesmarquageetcapacitsde

2、geINTERNATIONALSTARDISO29802Secondedition201706ReferencenumberISO29802:2017(E)ISO29802:2017(E)Fewd..........................................................................................................................

3、................................................................................................................v1Scope.....................................................................................................

4、............................................................................................................................12Nmativereferences.............................................................................

5、.........................................................................................................13Termsdefinitions.................................................................................................

6、....................................................................................14Tyresizedesignations..................................................................................................................

7、..................................................................24.1Dimensionalconstructionalacteristics.......................................................................................................24.1.1Gener

8、al......................................................................................................................................................................................24.1.2Prefix........................

9、..................................................................................................................................................................24.1.3Nominaloveralldiametercode..........................

10、.................................................................................................24.1.4Nominalsectionwidthcode..............................................................................................

11、....................................24.1.5Tyreconstructioncode...............................................................................................................................................34.1.6Nominalri

12、mdiametercode...................................................................................................................................34.2Servicecondition........................................................

13、...........................................................................................................................34.2.1General....................................................................................

14、..................................................................................................34.2.2Symbolofreferenceinflationpressure..................................................................................

15、......................44.2.3Servicedeion........................................................................................................................................................44.3Otherserviceacteristics.

16、.....................................................................................................................................................45Marking..............................................................

17、............................................................................................................................................................46Tyredimensions................................................

18、...................................................................................................................................................56.1General..............................................................

19、.............................................................................................................................................56.2Calculationofdesigntyredimensions..........................................

20、......................................................................................56.2.1TheeticalrimwidthRth............................................................................................................

21、............................56.2.2MeasuringrimwidthRm..........................................................................................................................................56.2.3DesigntyresectionwidthS

22、...................................................................................................................................56.2.4DesigntyreoveralldiameterDo........................................................

23、..................................................................66.2.5DesigntyresectionheightH............................................................................................................................

24、.....66.3Calculationof“maximumoveralltyredimensions”...............................................................................................66.3.1General............................................................

25、..........................................................................................................................66.3.2MaximumtyreoverallwidthWmax.................................................................

26、.................................................66.3.3MaximumtyreoveralldiameterDomax.....................................................................................................66.4Calculationof“maximumoverallg

27、rowntyredimensions”..............................................................................66.4.1General..............................................................................................................

28、........................................................................66.4.2MaximumgrowntyreoverallwidthinserviceWG............................................................................76.4.3Maximumdynamictyreove

29、ralldiameterinserviceDodyn........................................................76.5Calculationof“minimumtyredimensions”..................................................................................................

30、.................76.5.1General......................................................................................................................................................................................76.5.2Mi

31、nimumtyresectionwidthSmin.....................................................................................................................76.5.3MinimumtyreoveralldiameterDomin.........................................

32、................................................................76.6Rangeofapprovedrimswidths...............................................................................................................................

33、.................77Methodofmeasurementoftyredimensions..........................................................................................................................88Referenceloadcarryingcapacity.............

34、...........................................................................................................................................89Loadratings....................................................................

35、...........................................................................................................................................910Inflationpressures............................................................

36、.................................................................................................................................911Rims....................................................................................

37、...............................................................................................................................................911.1Designationmarking......................................................

38、.........................................................................................................911.2Rimcontours...................................................................................................

39、.......................................................................................1011.3Rimdiameterhumpcircumference...................................................................................................

40、.....................1112Valvehole..........................................................................................................................................................................................

41、........................1112.1General.......................................................................................................................................................................................

42、.................1112.2Snapinvalves.......................................................................................................................................................................................11