AMERICANNATIONALSTANDARDDriIIDrivers,Split-Sleeve,CoIIetTypeANSIB94.35-1972[REVISIONOFANSI894.35-1959(R1971)IREAFFIRMED1995FORCURRENTCOMMllTEEPERSONNELPLEASESEEASMEMANUALAS11THEAMERICANSOCIETYOFMECHANICALENGINEERSPUBLISHEDBYTHEAMERICANSOCIETYOFMECHANICALENGINEER$UnitedEngineeringCenter345East47thStreetNewYork,N.Y.10017CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwREAFFIRMED2005FORCURRENTCOMMITTEEPERSONNELPLEASEE-MAILCS@asme.orgAnypartofthisstandardmaybequoted.Creditlinesshouldread:”ExtractedfromAmericanNationalStandardDrillDrivers-SplitSleeve,ColletType,ANSIB94.35-1972,withthepermissionofthepublisher,TheAmericanSocietyofMechanicalEngineers,345East47thStreet,NewYork,N.Y.10017.”Copyright,01972.byTHEAMERICANSOCIETYOFMECHANICALENGINEERSPrintedinU.S.A.CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwFOREWORDThroughoutAmericanindustryavarietyofmethodsandmechanismsareusedtodrivetwistdrills,reamers,etc.Intheautomotiveandothermassproductionindustries,thesplit-sleevecolletdrivehasprovenuseful.Twoengineeringreasonsforitssuitabilityare:(1)Multiplespindledrillheadscanbedesignedwithspindlesonaveryclosecenter-to-centerdistance;(2)Bushingplatesdonothavetobemovedwhentoolsmustbereplaced.Thesplitsleevecolletdriverisdesignedtodrivestraightshanksinsizes$61(0.0390)inchdiameterandlarger.Astheassemblyofsplitsleevecollet-typedrivernecessitatesmanufacturetoclosetolerances,itwasdeemedadvisabletodevelopanAmericanstandardtoinsurethatcolletswouldfitdrillshanksasshowninANSI894.11-1967.TherequiredASAapprovalanddesignationasAmericanStandardDrillDriverswasgrantedonSeptember23,1959,anddesignatedASA85.27-1959.ASAB5.27-1959wasredesignatedandreaffirmedasANSIB94.35-1959(R1971).ANSI894.35-1959(R1971)wasreviewed...