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-AccuracyClass-Ⅱ-114Table8MeasuringmethodsofaccuracyItemMeasuringmethodIllustrationofmeasuringmethod(1)Radialrunoutofperipheryofpartsmountingpartwithrespecttoaxiallineofsupportingpartofsplineshaft(seeTable5①)Whilesupportingthesplineshaftatitssupportpart,placethedialgageprobesontheouterperipheralfacesofthepartsmountingpartandmeasurethedeflectionfromonerotationofthesplineshaft.(1)Perpendicularityofsplinepartendfacewithrespecttoaxiallineofsupportingpartofsplineshaft(SeeTable5②)Whilesupportingthesplineshaftatitssupportpartandonesplineshaftend,placethedialgageprobesonthesplineendfacesandobtainperpendicularitybymeasuringthedeflectionfromonerotationofthesplineshaft.Perpendicularityofmountingsurfaceofflangewithrespecttoaxiallineofsplineshaft(seeTable5③)Whilesupportingthesplineshaftatbothcentersandtheouterperipheralfacesofthesplineshaftneartheexternalcylinderandfixingtheexternalcylinderonthesplineshaft,placethedialgageprobeontheflangemountingsurfaceandobtainperpendicularitybymeasuringthedeflectionfromonerotationofthesplineshaft.Twistofgrooveswithrespecttoeffectivelengthofthesplinepart(seeTable6)Whilesupportingthesplineshaftfixed,applyaunidirectionaltorsionmomentloadtotheexternalcylinder(ormeasuringunit),placethedialgageprobeverticallytothesplineshaftonthesidefaceofthesunkkeyattachedontheexternalcylinder,andmeasurethedeflectionwhentheexternalcylinderandthedialgageprobearemoved100mmintheaxialdirectionatanypositionontheeffectivelengthofthesplineshaft.However,thedialgageprobeshouldbeappliedasnearaspossibletotheouterperipheralfaceoftheexternalcylinder.Totalradialrunoutofaxiallineofsplineshaft(seeTable7)Whilesupportingthesplineshaftatitssupportpartoratbothcenters,placeadialgageprobeontheouterperipheralfaceoftheexternalcylinder(ormeasuringunit)andmeasurethedeflectionfromonerotationofthesplineshaftatseveralpositionsintheaxialdirectiontoobtainthemaximumvalue.Note(1)Theaccuracyarefortheprocessedshaftends.JigfixtureReferenceblockfordialgageprobemovementSunkkey100
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