17-1_R2003_E1967.pdf

USA STANDARD KEYS AND KEYSEATS USAS 517.1-1967 REAFFIRMED 4998 FOR CURRENT COMMllTEE PERSONNEL PLEASE SEE ASME MANUAL AS-11-$mor The American Society of Mechanical Engineers T H E A M E R I C A N S O C I E T Y OF M E C H A N I C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.10017 Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.REAFFIRMED 2003FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgU SA STAN DA RD This USA Standard is one of nearly 3000 standards approved as American Standards by the American Standards Association.On August 24,1966,the ASA was re-constituted as the United States of America Standards Institute.Standards approved as American Standards are now designated USA Standards.There is no change in their index identification or technical content.UDC 621.886.6 Copyrlght,1968,by THE.AMERlCAN SOCIETY OF MECHANICAL ENGINEERS Prlnted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Foreword T HE individual USA Standards on Keys were firsr issued in the late 1920s.These were consolidated with the shafting standards in the 1934 publication,Standard Shafting and Stock Keys.A revised issue was published in 1943 and withdrawn in 1955 as it was not being sufficiently supported.However,a separate standard on Woodruff Keys,Keyslots,and Cutters (B17f-1930)was reaffirmed in 1955.In 1962 the USA Standards Committee B17 was reactivated and a sub-committee developed and established this standard based on current in-dustry standards.Following approval by the USA Standards Committee B17 and the sponsor,the proposed revision was approved on September IS,1967 by the USA Standards Institute,and designated B17.1-1967.111.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.USA Standards Committee B17 Keys and Keyseats OFFICERS U.P.Jennings,Chairman Roger Daniels,Secrefary COMMITTEE MEMBERS AMERICAN GEAR MANUFACTURERS ASSOCIATION G.L.Scott,American Gear Manufacturers Association,Washington,D.C.D.F.Wild,General Electric Company,Paterson,New Jersey AMERICAN SOCIETY OF MECHANICAL ENGINEERS,THE U.P.Jennings,E.I.DuPont de Nemours&Company,Inc.,Wilmington,Delaware AMERICAN SOCIETY OF TOOL AND MANUFACTURING ENGINEERS W.M.Houck,New Holland Machine Company,New Holland,Pennsylvania AMERICAN SPROCKET CHAIN MANUFACTURERS ASSOCIATION R.A.Anderson,Roller Chain Division,Rex Chainbelt Company,Worcester,Massachusetts CONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATION C.R.Davis,Rex Chainbelt Inc.,Milwaukee,Wisconsin A.W.Lemmon,Alternate,The Jeffrey Manufacturing Company,Columbus,Ohio R.C.Sollenberger,Alternate,Conveyor Equipment Manufacturers Association,Washington,D.C.MECHANICAL POWER .TRANSMISSION ASSOCIATION D.c.Currier,Dodge Manufacturing Company,Mishawaka,Indiana METAL CUTTING TOOL INSTITUTE Perry L.Houser,Metal Cutting Tool Institute,New York,N.Y.NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION C.F.Schwan,Reliance Electric&Engineering,Cleveland,Ohio SOCIETY OF AUTOMOTIVE ENGINEERS E.J.Flewelling,Massey-Fergusson,Inc.,Detroit,Michigan INDIVIDUAL COMPANIES J.W.Gillen,John Gillen Company,Cicero,Illinois G.W.Andrews,Alternate,John Gillen Company,Cicero,Illinois Roger Daniels,Formsprag Company,Warren,Michigan U .C.Sheers,Standard Horse Nail Corporation,New Brighton,Pennsylvania Personnel o f Subcommittee 1,Rectangular Keys C.R.Davis,Chairman,Manager of Engineering,Conveyor Equipment,Rex Chainbelt Inc.,4701 West Greenfield Avenue,Milwaukee,Wisconsin 532 14 J.W.Gillen,President,John Gillen Co.,Subsidia:y of Stanray Corp.,2540 South 50th Avenue,Cicero,Illinois 60650 C.F.Schwan,Chief Mechanical Engineer,Reliance Electric&Engineering Co.,24701 Eurlid Avenue,Cleveland,Ohio 44117 D.F.Wild,Manager-Engineering,Gearmotor Business Section,General Electric Co.,845 East 25rh Street,Paterson,New Jersey 07513 Donald C.Currier,Chief of Standards and Statistics,Dodge Manufacturing Corporation,Mishawaka,Indiana 46544 iv Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.TABLEOFCONTENTS 1.Introduction.2.Definitions 3.Key Size Versus Shaft Diameter.4.Key Dimensions and Tolerances.5.Depth Control Formulas.6.Key-Keyseat Assemblies.8.Chamfered Keys and Filleted Keyseats.9.Set Screws For Use Over Keys.7.Alignment Tolerances.Page.1.1 1.3.5.8.10.11.12.Tab!e 1 Key Sizeversus Shaft Diameter.Tab!e 2 Key Dimensions and Tolerances.Table2A Gib Head Nominal Dimensions.Table 3 Depth Control Values-Valu