AMERICANNATIONALSTANDARDHOBSANSIB94.7-1980[REVISIONOFANSIB94.7-1966(R197211.~--~-.~~REAFFIRMED1995FORCURRENTCOMMITTEEPERSONNELPLEASESEEASMEMANUALAS-11SECRETARlATTHEAMERICANSOCIETYOFMECHANICALENGINEERSPUBLISHEDBYTHEAMERICANSOCIETYOFMECHANICALENGINEERSUnitedEngineeringCenter345East47thStreetNewYork,N.Y.10017CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwDateofIssuance:March15,1981Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.Copyright01981byTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllRightsReservedPrintedinUSA.CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwFOREWORDInresponsetorequestsfrombothusersandproducersaprojectwasinitiatedinDecemberof1961toestablishstandardsforgearcutting-tools.SectionalCommitteeB5approvedthisprojectattheirannualmeetingin1961andcreatedtechnicalcommitteeTC-14topreparesuchstandards.In1962SectionalCommitteeB5wasdividedandTechnicalCommitteesidentifiedwiththegeneralareaof“MetalCutting”weretransferredtoanewSectionalCommitteeB94.ThefirstmeetingofTC-14;reportingtoSectionalCommitteeB94,washeldinDecember1962.Itwasatthistimedecidedtodividethegeneralsubjectintothreeareas,i.e.,Hobs,GearShaperCuttersandShavingCutters.TheinitialactivitywastoprepareaproposalforanAmericanStandardonHobs,usingtheindustrystandards(MCTI)asthebasisforconsideration.AproposalcoveringHobswassubmittedtoindustryinSeptember1964forreviewandcomment.AlloftheresultingresponseswereconsideredatameetingofTC-14inMarch1965andtheythenapprovedafinalproposal.TheB94TC-15EditorialCommitteereviewedtheproposalanditwassubmittedonOctober27,1965totheB94SectionalCommitteeforLetterBallot.FollowingapprovalbyB94theproposalwasapproved...
