SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.QUESTIONSREGARDINGTHISDOCUMENT:(724)772-8512FAX:(724)776-0243TOPLACEADOCUMENTORDER;(724)776-4970FAX:(724)776-0790SAEWEBADDRESShttp://www.sae.orgCopyright1998SocietyofAutomotiveEngineers,Inc.Allrightsreserved.PrintedinU.S.A.SURFACEVEHICLE400CommonwealthDrive,Warrendale,PA15096-0001STANDARDSubmittedforrecognitionasanAmericanNationalStandardJ2003REAF.APR1998Issued1990-09Reaffirmed1998-04SupersedingJ2003OCT92InternalCombustionEngines—PistonRingsCoilSpringLoadedOilControlRingsThisSAEStandardisequivalenttoISOStandard6626.Foreword—ThisDocumenthasalsochangedtocomplywiththenewSAETechnicalStandardsBoardformat.1.ScopeandFieldofApplication—ThisSAEStandardisequivalenttoISOStandard6626.Differences,wheretheyexist,areshownintheappendixwithassociatedrationale.ThisdocumentspecifiestheessentialdimensionsofpistonringtypesDSF-C,DSF-CNP,SSF,GSF,DSF,DSF-NG,andSSF-Lcoilspringloadedoilcontrolrings.Forthecastironparttherecommendedmaterialisclass10accordingtoSAEJ1590.Forspecialapplicationsmaterialclasses20to50maybeused.Variationinfacedesignandspringgroovefromthesemaybeused,asrecommendedbyindividualmanufacturers,inplainorchromedversions.Thetangentialforcesofcoilspringloadedoilcontrolringscanbevariedoverawiderange.ExplanationsandrecommendationsaregiveninSection6.Thenormalrangeforaxialwidthofcoilspringloadedoilcontrolrings(3to8mminclusive)isdividedinto0.5or1.0mmsteps.InTables9to14dimensionsaregivenforcoilspringloadedoilcontrolringswithinanaxialwidthof4.75mm(i.e.,3/16in)forexistingapplicationsininchunits.Thisdocumentappliestocoilspringloadedoilcontrolringsupto200mminclusiveforreciprocatinginternalcombustionengines.Itmayalsobeusedforpistonringsofcompressorsworkingundersimilarconditions.SAEJ2003ReaffirmedAPR1998-2-2.References2.1ApplicablePublications—Thefollowingpublicationsformapartofthespecificationtotheextentspecifiedherein.UnlessotherwiseindicatedthelatestrevisionofSAEpublicationsshallapply.2.1.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEISO1DESIGNATIONEQUIVALENTINTERNALCOMBUSTIONENGINES—PISTONRINGSJ15886621/1VocabularyJ15896621/2MeasuringprinciplesJ15906621/3MaterialspecificationsJ15916621/4GeneralspecificationsJ19966621/5QualityrequirementsINTERNALCOMBUSTIONENGINES—PISTONRINGSJ19976622/1RectangularringsJ19986622/2TRRectangularringswithnarrowringwidthJ19996623INTERNALCOMBUSTIONENGINES—PISTONRINGS—SCRAPERRINGSINTERNALCOMBUSTIONENGINES—PISTONRINGSJ20006624/1KeystoneringsJ20016624/2TRHalfkeystoneringsJ20026625INTERNALCOMBUSTIONENGINES—PISTONRINGS—OILCONTROLRINGSJ20036626INTERNALCOMBUSTIONENGINES—PISTONRINGS—COILSPRINGLOADEDOILCONTROLRINGSJ20046627TRINTERNALCOMBUSTIONENGINES—PISTONRINGS—EXPANDER/SEGMENTOILCONTROLRINGSJ2226INTERNALCOMBUSTIONENGINES—PISTONRINGS—STEELRECTANGULARRINGSISO1101TECHNICALDRAWINGS—Tolerancingofform,orienta-tion,locationandrun-out—Generalities,definitions,sym-bolsindicationsondrawings1.TRref...
