AMERICANSTANDARDSPINDLENOSESANDADJUSTABLEADAPTERSFORMULTIPLESPINDLEDRILLINGHEADSASA.65.11-1964UDC621.9-229ONEOFASERIESOFSTANDARDSFORSMALLTOOLSANDMACHINETOOLELEMENTS.--.---REAFFIRMED1994FORCURRENTCOMMITTEEPERSONNELPLEASESEEASMEMANUALAS-11AmericanSocietyofToolandManufacturingEngineersSocietyofAutomotiveEngineersNationalMachineToolBuilders'AssociationTheAmericanSocietyofMechanicalEngineersTHEAMERICANSOCIETYOFMECHANICALENGINEERSUnitedEngineeringCenter345East47thStreetNewYork,N.Y.10017REAFFIRMED2018ForewordTHISstandardforAdjustableAdaptersforMultipleSpindleDrillingHeadswasde-velopedbySectionalCommitteeB5ontheStandardizationofSmallToolsandMachineToolElements,organizedSeptember,1922,underprocedureoftheAmericanStandardsAssociationandissponsoredbytheNationalMachineToolBuilders’Association,theSocietyofAutomotiveEngineers,AmericanSoci.etyofToolandManufacturingEngineers,andTheAmericanSocietyofMechanicalEngineers.OnDecember2,1937,thisstandardwasapprovedbytheAmericanStandardsAssocia-tionanddesignatedasAmericanStandard(ASAB5.11-1937).Subsequenttoarequestfromthesponsororganizationsforarevisionofthestandard,anewtechnicalcommitteewasappointedonSeptember24,.1947,toreviewandmakerecorn-mendationsforrevision.InAugust,1953,attherequestofthesponsors,thetechnicalcommitteewasauthorizedtoincludethestandardizationofspindlenosesforusewithadjustableadapters.Withtheinclusionofspindlenoses,thetitleoftheprojectwaschangedtoSpindleNosesandAdjustableAdaptersforMultipleSpindleDrillingHeads.AdraftdatedDecember1,1953,wasapprovedbyTechnicalCommitteeNo.18andinFebruary,1954,theproposalwaspresentedtothemembersofSectionalCommitteeB5forletterballotvote.Followingapprovalofthesectionalcommitteeandsponsororganizations,theproposalwassubmittedtotheAmericanStandardsAssociationforapprovalanddesignationasAmericanStandard.ThiswasgrantedonAugust18,1954,anditwasdesignatedasAmer-icanStandard(ASAB5.11-1954).In1959thecommitteewasreactivatedforthepurposeoftheregularfive-yearreview.Concurrentlywiththereviewbycommittee,are...
