1、AN AMERICAN NATIO NAL STANDARD ASME B5.50-2009Revision of ASME B5.50-1994(R2003)7/24 Taper Tool to Spindle Connection for Automatic Tool ChangeCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted mate
2、rial 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.ASME B5.50-2009Revision of ASME B5.50-1994(R2003)7/24 Taper Tool toSpindle Connectionfor Automatic ToolCha
3、ngeAN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University U
4、ser.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:December 11,2009This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda or written interpretations of the requirements of this Standard issued to
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11、,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2009 by
12、 the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is pe
13、rmitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B5 Committee.vi1General.12Essential Dimensions for 7/24 Taper Toolholder Shank.23Essential Dimensions for Retention Knobs.24Essential Dimensions for 7/24 Taper Spindle Sockets.2Figure1Optional Face-Mount H
14、oles,7/24 Taper Spindle Socket.2Tables1Essential Dimensions of Basic Toolholder Shanks for Machining Centers WithAutomatic Tool Changers.32Essential Dimensions of Retention Knobs.53Essential Dimensions of 7/24 Taper Spindle Socket.7Nonmandatory AppendicesAUseful Technical Information.9BExcerpt From
15、ISO 1947:1973,System of Cone Tolerances for Conical WorkpiecesFrom C p 1:3 to 1:500 and Lengths From 6 to 630 mm.11iiiCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford
16、 University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDThe Aerospace Industries Association(AIA)developed,in cooperation with machine toolbuilders and users,standards of toolholder shanks and retention knobs for machining centerswith automatic tool changers.AIA/NAS 970 was first published in 1964.The objective of thisstandardizationeffortwastoreducethelargenumberofalreadyexis