Volvo Geometrical Tolerances

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1、CorporateStandardSTD5062,2EDept/Issuedby6857HansLiljaIssue5Established2004-03JOGPage1(113)NOTFORNEWDESIGNASOF2004-03-01Thisstandardisvalidwhenthereisareferencetoit.”Notfornewdesign”isonlyanindicationtoourdesigndepartments.GeometricaltolerancesIndication,definitions

2、andmeasuringprinciplesOrientationThisissuediffersfromissue4inthatthestandardnolongerappliestonewdesign.Fornewdesigns,standardsSTD112-0003,STD112-0004(VolvoGroup),VCS5062,29andVCS5062,39(VolvoCarCorporation)shallbeused.ThisstandardconformstoSS-ISO1101-1984withthefol

3、lowingexceptions:−Thestandardcontainsmeasuringprinciplesandrulesformeasuringwhicharetobefollowedwheninterpretingtherequirements.ThisisnotincludedinISO1101.−Acylindricaltolerancezoneisdefinedatangularityofaline.ThisisnotdoneinISO1101.−AtVolvo,theoreticallyexactdimen

4、sionsneedonlybeframedifthereisriskofmisinterpretation.AccordingtoISO1101,thevaluesshallalwaysbeframed.−Thestandardcontainsrulesfortheevaluationofabstract(unreal)features.ThisisnotincludedinISO1101.−Therulestatingthatanegativedeviationof0,01xthelengthmaybedeductedfr

5、omtheextensionofthetolerancedfeatureisnotincludedinISO1101.−Thefactthattoleranceonprofileofanylineandtoleranceonprofileofanysurfacecanbespecifiedinrelationtodatumsisinthisstandardshownunderpositionaltolerancesandisthencalledpositionofanyprofileandpositionofanysurfa

6、cerespectively.ISO1101statesonlythattoleranceonprofileofanylineandtoleranceonprofileofanysurfacecanbespecifiedinrelationtodatums.Contents1Scopeandfieldofapplication2General2.1Definitionoftolerancezone2.2Tolerancedfeature2.3Tolerancezoneform2.4Formoftolerancedfeatur

7、ewithintolerancezone2.5Applicabilityoftolerancealongfeature2.6Datumfeature2.7Formdeviationsofdatumfeatures2.8Establishingsizeofformdeviationandextensionoftolerancedfeature2.9Establishingformdeviationofcircularandcylindricalfeatures2.10Measuringprinciplesandrulesfor

8、measuring3Symbols4Evaluationofabstract(unreal)features5Toleranceframe5.1Datainthetoleranceframe5.2Symbolfornumberoffeatures5.3Supplementaryrequir