ISO 6103 - 2005

BIS2013FEBRUARY2013PRICEGROUP4BUREAUOFINDIANSTANDARDSMANAKBHAVAN,9BAHADURSHAHZAFARMARGNEWDELHI110002HKKJRHEKUDCKAFMMVIK“KHZMRIKNLQIQNZFKLKBZIFVVKSAESAVLARQYULFKSFRDIJHKKIGYKIQUJHKKINDIANSTANDARDBONDEDABRASIVEPRODUCTSPERMISSIBLEUNBALANCEOFGRINDINGWHEELSASDELIVEREDSTATICTESTINGFIRSTREVISIONICS2510070IS152972013ISO61032005SUPERSEDINGIS130681991ABRASIVESSECTIONALCOMMITTEE,PGD09NATIONALFOREWORDTHISINDIANSTANDARDFIRSTREVISIONWHICHISIDENTICALWITHISO61032005BONDEDABRASIVEPRODUCTSPERMISSIBLEUNBALANCEOFGRINDINGWHEELSASDELIVEREDSTATICTESTINGISSUEDBYTHEINTERNATIONALORGANIZATIONFORSTANDARDIZATIONISOWASADOPTEDBYTHEBUREAUOFINDIANSTANDARDSONTHERECOMMENDATIONOFTHEABRASIVESSECTIONALCOMMITTEEANDAPPROVALOFTHEPRODUCTIONANDGENERALENGINEERINGDIVISIONCOUNCILTHISSTANDARDWASORIGINALLYPUBLISHEDASIS130681991BONDEDABRASIVEPRODUCTSSTATICBALANCINGOFGRINDINGWHEELSTESTINGTHECOMMITTEETHENDECIDEDTOADOPTIS152972003BONDEDABRASIVEPRODUCTSPERMISSIBLEUNBALANCESOFGRINDINGWHEELSASDELIVEREDTESTINGIDENTICALWITHISO61031999UNDERDUALNUMBERINGSYSTEMTOMAKEPACEWITHTHELATESTDEVELOPMENTTHATHAVETAKENPLACEATINTERNATIONALLEVELTHISSTANDARDISNOWBEINGREVISEDTOHARMONIZEITWITHTHELATESTVERSIONOFISO61032005THISSTANDARDSUPERSEDESIS130681991AFTERPUBLICATIONOFTHISSTANDARDIS130681991SHALLBETREATEDASWITHDRAWNTHETEXTOFISOSTANDARDHASBEENAPPROVEDASSUITABLEFORPUBLICATIONASANINDIANSTANDARDWITHOUTDEVIATIONSCERTAINTERMINOLOGYANDCONVENTIONSARE,HOWEVER,NOTIDENTICALTOTHOSEUSEDININDIANSTANDARDSATTENTIONISPARTICULARLYDRAWNTOTHEFOLLOWINGAWHEREVERTHEWORDSINTERNATIONALSTANDARDAPPEAR,REFERRINGTOTHISSTANDARD,THEYSHOULDBEREADASINDIANSTANDARDBCOMMA,HASBEENUSEDASADECIMALMARKER,WHILEININDIANSTANDARDS,THECURRENTPRACTICEISTOUSEAPOINTASTHEDECIMALMARKERINTHISADOPTEDSTANDARD,REFERENCEAPPEARSTOCERTAININTERNATIONALSTANDARDSFORWHICHINDIANSTANDARDSALSOEXISTTHECORRESPONDINGINDIANSTANDARDS,WHICHARETOBESUBSTITUTEDINTHEIRRESPECTIVEPLACES,ARELISTEDBELOWALONGWITHTHEIRDEGREEOFEQUIVALENCEFORTHEEDITIONSINDICATEDINTERNATIONALSTANDARDCORRESPONDINGINDIANSTANDARDDEGREEOFEQUIVALENCEISO60311999BONDEDABRASIVEPRODUCTSDIMENSIONSPART1GRINDINGWHEELSFOREXTERNALCYLINDRICALGRINDINGBETWEENCENTRESISO60321999BONDEDABRASIVEPRODUCTSDIMENSIONSPART2GRINDINGWHEELSFORCENTRELESSEXTERNALCYLINDRICALGRINDINGISO60331999BONDEDABRASIVEPRODUCTSDIMENSIONSPART3GRINDINGWHEELSFORINTERNALCYLINDRICALGRINDINGIS/ISO60311999BONDEDABRASIVEPRODUCTSDIMENSIONSPART1GRINDINGWHEELSFOREXTERNALCYLINDRICALGRINDINGBETWEENCENTRESIS/ISO60321999BONDEDABRASIVEPRODUCTSDIMENSIONSPART2GRINDINGWHEELSFORCENTRELESSEXTERNALCYLINDRICALGRINDINGIS/ISO60331999BONDEDABRASIVEPRODUCTSDIMENSIONSPART3GRINDINGWHEELSFORINTERNALCYLINDRICALGRINDINGIDENTICALDODOCONTINUEDONTHIRDCOVER1SCOPETHISINTERNATIONALSTANDARDSPECIFIESTHEMAXIMUMPERMISSIBLEVALUESOFUNBALANCESFORVARIOUSGRINDINGWHEELSOFISO6031TOISO6039ANDISO60312TOISO60316INTHEASDELIVEREDCONDITION,WITHANOUTSIDEDIAMETERD115MMANDMAXIMUMOPERATINGSPEEDVSW16M/SITALSOSPECIFIESTHEMETHODFORMEASURINGTHEUNBALANCEANDTHEPRACTICALMETHODFORTESTINGWHETHERAGRINDINGWHEELISACCEPTABLEORNOTTHISINTERNATIONALSTANDARDISAPPLICABLETOBONDEDABRASIVEGRINDINGWHEELSINTHEASDELIVEREDCONDITIONTHISINTERNATIONALSTANDARDISNOTAPPLICABLETODIAMOND,CUBICBORONNITRIDEORNATURALSTONEGRINDINGWHEELS,ORTOCENTRELESSCONTROLWHEELS,LAPPINGANDDISCWHEELS,BALLWHEELSORGLASSGRINDINGWHEELSNOTE1THEVALUESGIVENREFERTOTHEGRINDINGWHEELITSELF,INDEPENDENTOFANYUNBALANCEWHICHMAYEXISTINTHEBALANCINGARBORORINTHEMEANSOFFASTENINGITTOTHISARBORTHESEVARIOUSELEMENTS,TOGETHERWITHTHEFLANGESORHUBFLANGES,AREASSUMEDTOBEBALANCED,HOMOGENEOUSANDFREEFROMGEOMETRICALDEFECTSNOTE2THEEFFECTSOFUNBALANCEAREBASICALLYADDITIONALSTRESSESONTHEARBOR,THEMACHINEANDITSMOUNTING,EXCESSIVEWEAROFTHEBEARINGS,VIBRATIONPREJUDICIALTOTHEQUALITYOFMACHININGANDINCREASEDINTERNALSTRESSESINTHEGRINDINGWHEEL,ANDINCREASEDOPERATORFATIGUE2NORMATIVEREFERENCESTHEFOLLOWINGREFERENCEDDOCUMENTSAREINDISPENSABLEFORTHEAPPLICATIONOFTHISDOCUMENTFORDATEDREFERENCES,ONLYTHEEDITIONCITEDAPPLIESFORUNDATEDREFERENCES,THELATESTEDITIONOFTHEREFERENCEDDOCUMENTINCLUDINGANYAMENDMENTSAPPLIESISO6031,BONDEDABRASIVEPRODUCTSDIMENSIONSPART1GRINDINGWHEELSFOREXTERNALCYLINDRICALGRINDINGBETWEENCENTRESISO6032,BONDEDABRASIVEPRODUCTSDIMENSIONSPART2GRINDINGWHEELSFORCENTRELESSEXTERNALCYLINDRICALGRINDINGISO6033,BONDEDABRASIVEPRODUCTSDIMENSIONSPART3GRINDINGWHEELSFORINTERNALCYLINDRICALGRINDINGIS152972013ISO610320051INDIANSTANDARDBONDEDABRASIVEPRODUCTSPERMISSIBLEUNBALANCEOFGRINDINGWHEELSASDELIVEREDSTATICTESTINGFIRSTREVISIONISO6034,BONDEDABRASIVEPRODUCTSDIMENSIONSPART4GRINDINGWHEELSFORSURFACEGRINDING/PERIPHERALGRINDINGISO6035,BONDEDABRASIVEPRODUCTSDIMENSIONSPART5GRINDINGWHEELSFORSURFACEGRINDING/FACEGRINDINGISO6036,BONDEDABRASIVEPRODUCTSDIMENSIONSPART6GRINDINGWHEELSFORTOOLANDTOOLROOMGRINDINGISO6037,BONDEDABRASIVEPRODUCTSDIMENSIONSPART7GRINDINGWHEELSFORMANUALLYGUIDEDGRINDINGISO6038,BONDEDABRASIVEPRODUCTSDIMENSIONSPART8GRINDINGWHEELSFORDEBURRINGANDFETTLING/SNAGGINGISO6039,BONDEDABRASIVEPRODUCTSDIMENSIONSPART9GRINDINGWHEELSFORHIGHPRESSUREGRINDINGISO60312,BONDEDABRASIVEPRODUCTSDIMENSIONSPART12GRINDINGWHEELSFORDEBURRINGANDFETTLINGONASTRAIGHTGRINDERISO60313,BONDEDABRASIVEPRODUCTSDIMENSIONSPART13GRINDINGWHEELSFORDEBURRINGANDFETTLINGONAVERTICALGRINDERISO60314,BONDEDABRASIVEPRODUCTSDIMENSIONSPART14GRINDINGWHEELSFORDEBURRINGANDFETTLING/SNAGGINGONANANGLEGRINDERISO60315,BONDEDABRASIVEPRODUCTSDIMENSIONSPART15GRINDINGWHEELSFORCUTTINGOFFONSTATIONARYANDMOBILECUTTINGOFFMACHINESISO60316,BONDEDABRASIVEPRODUCTSDIMENSIONSPART16GRINDINGWHEELSFORCUTTINGOFFONHANDHELDPOWERTOOLS3TERMSANDDEFINITIONSFORTHEPURPOSESOFTHISDOCUMENT,THEFOLLOWINGTERMSANDDEFINITIONSAPPLY31UNBALANCEPRODUCTOFTHERADIUS,INMILLIMETRES,ANDMASS,INGRAMS,EXPRESSEDINGRAMSMULTIPLIEDBYMILLIMETRES32INTRINSICUNBALANCEOFAGRINDINGWHEELUIPRODUCTOFTHEMASSM1OFTHEGRINDINGWHEELANDTHEDISTANCEEBETWEENITSCENTREOFMASSGCENTREOFGRAVITYANDTHEAXISOOFITSBORESEEFIGURE12IS152972013ISO61032005UIM1EFIGURE133MEASUREDUNBALANCEUCPRODUCTOFAMASS,M2,AFFIXEDTOTHEGRINDINGWHEELTOBALANCEITANDTHEDISTANCEBETWEENTHECENTREOFMASSGM2CENTREOFGRAVITYOFTHEMASSM2ANDTHEAXISOOFTHEGRINDINGWHEELBORESEEFIGURE2NOTEINPRACTICE,THISDISTANCEISEQUALTOTHERADIUSROFTHEGRINDINGWHEELUCM2RKEY1MASSM2FIGURE24PERMISSIBLEUNBALANCE,UAONTHEBASISOFEXPERIENCE,THEMAXIMUMPERMISSIBLEUNBALANCEUAISDETERMINEDUSINGAMASSMAUA/R,SUCHTHATA1MKM1IS152972013ISO610320053WHERERISTHERADIUSOFTHEGRINDINGWHEL,INMILIMETRESMAISTHEMASSWHOSECENTREISLOCATEDONTHECIRCUMFERENCEOFTHEGRINDINGWHEEL,INGRAMSM1ISTHEMASSOFTHEGRINDINGWHEEL,INGRAMSKISACOEFICIENTWHICHDEPENDSONTHENATUREANDUSAGEOFTHEGRINDINGWHEELTHEVALUESOFKAREGIVENINTABLE1ANDTHEVALUESOFMA,ASAFUNCTIONOFM1ANDK,ARESHOWNINFIGURE5THEVALUESOFKHAVEBEENSELECTEDONTHEBASISOFEXPERIENCESOTHATTHERESULTINGUNBALANCEALLOWSFORNORMALUSAGEOFTHEGRINDINGWHEEL5MEASURINGINTRINSICUNBALANCEPLACEABALANCINGARBORTHROUGHTHEBOREOFTHEGRINDINGWHEELTOHOLDITSMIDPLANEINAVERTICALPOSITIONFORSTRAIGHTWHEELSORWHEELSOFSIMILARSHAPE,THEWHEELISFREESTANDINGWHEELSOFOTHERSHAPESMAYBESUPPORTEDUSINGSUITABLEFLANGESRESTTHEBALANCINGARBORONTWOPARALLELHORIZONTALBEVELLEDGUIDEBARSORCYLINDRICALBARSSEEFIGURE3,ORONABALANCINGSTANDCONSISTINGOFTWOPAIRSOFOVERLAPPING,FREELYROTATING,STEELDISCSSEEFIGURE4,SOTHATTHEGRINDINGWHEELATTAINSANEQUILIBRIUMPOSITIONWITHMINIMUMFRICTIONALTERNATIVETHETWOBEVELLEDGUIDEBARSMAYBEREPLACEDBYTWOCYLINDRICALBARSFIGURE3FIGURE44IS152972013ISO61032005THECLEARANCEBETWEENTHEBALANCINGARBORANDTHEBOREOFTHEGRINDINGWHEELSHALLNOTEXCEED0,4MMTHEARBORANDTHESUPPORTSGUIDEBARS,BARSORDISCSSHALLHAVEANADEQUATESURFACEHARDNESSANDANAPPROPRIATESURFACECONDITIONTOMINIMIZEFRICTIONWHENTHEGRINDINGWHEELATTAINSTHEEQUILIBRIUMPOSITION,ITSCENTREOFMASSISTHENASLOWASPOSSIBLEINTHISPOSITION,MARKTHEUPPERPERIPHERALPOINTOFTHEGRINDINGWHEELROTATETHEGRINDINGWHEELTHROUGH90QTOBRINGTHISMARKINTOTHEHORIZONTALPLANEFORTHEARBORAXISDETERMINETHEMASSM2WHICH,WHENAFFIXEDTOTHEPERIPHERYOFTHEGRINDINGWHEELATTHEMARK,MAINTAINSTHEGRINDINGWHEELINEQUILIBRIUMTHEAMOUNTOFUNBALANCETHUSINTRODUCED,UCM2R,ISEQUALANDOPPOSITETOTHEINTRINSICUNBALANCEOFTHEWHEELTHEVALUEOFTHEMASSM2ISUSEDTODETERMINETHEINTRINSICUNBALANCEOFTHEWHEELUSINGTHEFOLLOWINGFORMULAIC2UUMR26CHECKINGINTRINSICUNBALANCE61VERIFICATIONANDACCEPTANCEVERIFYTHEINTRINSICUNBALANCEUSINGTHEMETHODACCORDINGTOCLAUSE5AGRINDINGWHEELISONLYACCEPTABLEIFITSINTRINSICUNBALANCEUIISLESSTHANOREQUALTOTHEPERMISSIBLEUNBALANCEUA,IEUIUUA3THETESTINGISDONEWITHAMASSAAUMR462DETERMINATIONOFMAFROMTABLE1,DETERMINETHECOEFFICIENTKBYREADINGOFFTHEVALUEACCORDINGTOTHEVARIOUSPARAMETERSRELATEDTOTHEGRINDINGWHEELANDITSAPPLICATIONFIGURE5THENGIVESTHEVALUESOFTHEMASSMA,INGRAMS,ASAFUNCTIONOFTHEMASSM1OFTHEWHEEL,INGRAMS,ANDTHECOEFFICIENTK63ACCEPTANCETESTINGOFTHEGRINDINGWHEELWITHTHEGRINDINGWHEELMOUNTEDINACCORDANCEWITHCLAUSE5,PLACEAMASSMAASDETERMINEDIN62ONTHEPERIPHERYOFTHEGRINDINGWHEELATTHEMARKIFTHEWHEELREMAINSSTATIONARYORROTATESSOTHATTHEMARKISATTHEBOTTOM,THEGRINDINGWHEELISACCEPTEDOTHERWISE,ITISREJECTEDIS152972013ISO610320055TABLE1VALUESOFTHECOEFFICIENTKFORBONDEDABRASIVEPRODUCTSDIMENSIONSDTCOEFFICIENTKFORMAXIMUMOPERATINGSPEEDVSM/SGRINDINGMETHODTYPEOFMACHINETYPEOFBONDEDABRASIVEPRODUCTMMMM16UVSU4040VSU6363VSU100115DU1500,400,320,25150DU1800,400,320,20TU60,400,320,20TYPES1/4/27/28/35AND36D180T60,320,250,20GRINDINGDEBURRING,FETTLINGANDSNAGGINGHANDHELDGRINDINGMACHINESTYPES6AND11ALLDIMENSIONS0,400,32GRINDINGDEBURRING,FETTLINGANDSNAGGINGSTATIONARYGRINDINGMACHINES,SWINGFRAMEGRINDINGMACHINESANDOTHERGRINDINGMACHINESTYPES1/2/35AND36ALLDIMENSIONS0,630,500,40HIGHPRESSUREGRINDINGSTATIONARYGRINDINGMACHINESTYPE1ALLDIMENSIONS0,8125DU3000,250,200,16300DU6100,320,250,20GRINDINGPRECISIONGRINDINGEXTERNALCYLINDRICALGRINDINGSURFACEGRINDINGSHARPENINGSTATIONARYGRINDINGMACHINESALLTYPESD600ALLDIMENSIONS0,400,320,25HANDHELDCUTTINGOFFMACHINESTYPES41AND42115DU4000,400,320,20DU3000,500,400,32CUTTINGOFFSTATIONARYCUTTINGOFFMACHINESTYPES41AND42D3000,630,500,406IS152972013ISO61032005KEYYVALUEOFMA,INGRAMSXMASSOFWHEELM1,INGRAMSASEEXAMPLEEXAMPLEFORASTRAIGHTGRINDINGWHEELFORPRECISIONGRINDING,OFOUTSIDEDIAMETERD762MMANDMASSM168000GUSEDONASTATIONARYMACHINEATAMAXIMUMOPERATINGSPEEDVS60M/S,THECOEFFICIENTK0,32SEETABLE1ANDTHEMAXIMUMPERMISSIBLEMASSMA83GFIGURE5IS152972013ISO610320057CONTINUEDFROMSECONDCOVERTHETECHNICALCOMMITTEEHASREVIEWEDTHEPROVISIONSOFTHEFOLLOWINGINTERNATIONALSTANDARDSREFERREDINTHISADOPTEDSTANDARDANDHASDECIDEDTHATTHEYAREACCEPTABLEFORUSEINCONJUNCTIONWITHTHISSTANDARDINTERNATIONALSTANDARDTITLEISO60341999BONDEDABRASIVEPRODUCTSDIMENSIONSPART4GRINDINGWHEELSFORSURFACEGRINDING/PERIPHERALGRINDINGISO60351999BONDEDABRASIVEPRODUCTSDIMENSIONSPART5GRINDINGWHEELSFORSURFACEGRINDING/FACEGRINDINGISO60361999BONDEDABRASIVEPRODUCTSDIMENSIONSPART6GRINDINGWHEELSFORTOOLANDTOOLROOMGRINDINGISO60371999BONDEDABRASIVEPRODUCTSDIMENSIONSPART7GRINDINGWHEELSFORMANUALLYGUIDEDGRINDINGISO60381999BONDEDABRASIVEPRODUCTSDIMENSIONSPART8GRINDINGWHEELSFORDEBURRINGANDFETTLING/SNAGGINGISO60391999BONDEDABRASIVEPRODUCTSDIMENSIONSPART9GRINDINGWHEELSFORHIGHPRESSUREGRINDINGISO603121999BONDEDABRASIVEPRODUCTSDIMENSIONSPART12GRINDINGWHEELSFORDEBURRINGANDFETTLINGONASTRAIGHTGRINDERISO603131999BONDEDABRASIVEPRODUCTSDIMENSIONSPART13GRINDINGWHEELSFORDEBURRINGANDFETTLINGONAVERTICALGRINDERISO603141999BONDEDABRASIVEPRODUCTSDIMENSIONSPART14GRINDINGWHEELSFORDEBURRINGANDFETTLING/SNAGGINGONANANGLEGRINDERISO603151999BONDEDABRASIVEPRODUCTSDIMENSIONSPART15GRINDINGWHEELSFORCUTTINGOFFONSTATIONARYORMOBILECUTTINGOFFMACHINESISO603161999BONDEDABRASIVEPRODUCTSDIMENSIONSPART16GRINDINGWHEELSFORCUTTINGOFFONHANDHELDPOWERTOOLSFORTHEPURPOSEOFDECIDINGWHETHERAPARTICULARREQUIREMENTOFTHISSTANDARDISCOMPLIEDWITH,THEFINALVALUE,OBSERVEDORCALCULATED,EXPRESSINGTHERESULTOFATESTORANALYSIS,SHALLBEROUNDEDOFFINACCORDANCEWITHIS21960RULESFORROUNDINGOFFNUMERICALVALUESREVISEDTHENUMBEROFSIGNIFICANTPLACESRETAINEDINTHEROUNDEDOFFVALUESHOULDBETHESAMEASTHATOFTHESPECIFIEDVALUEINTHISSTANDARDBUREAUOFINDIANSTANDARDSBISISASTATUTORYINSTITUTIONESTABLISHEDUNDERTHEBUREAUOFINDIANSTANDARDSACT,1986TOPROMOTEHARMONIOUSDEVELOPMENTOFTHEACTIVITIESOFSTANDARDIZATION,MARKINGANDQUALITYCERTIFICATIONOFGOODSANDATTENDINGTOCONNECTEDMATTERSINTHECOUNTRYCOPYRIGHTBISHASTHECOPYRIGHTOFALLITSPUBLICATIONSNOPARTOFTHESEPUBLICATIONSMAYBEREPRODUCEDINANYFORMWITHOUTTHEPRIORPERMISSIONINWRITINGOFBISTHISDOESNOTPRECLUDETHEFREEUSE,INCOURSEOFIMPLEMENTINGTHESTANDARD,OFNECESSARYDETAILS,SUCHASSYMBOLSANDSIZES,TYPEORGRADEDESIGNATIONSENQUIRIESR