1、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 2007FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgCopyright 2007 by th
2、e 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 permi
3、tted.Uncontrolled when printed.Copyright 2007 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cAN AMERICAN NATIONAL STANDARD Gages and Gaging for Unified Inch Screw Threads ANWASME B1.Z1983(REVISION OF ANSI B1.2-1974)SPONSO
4、RED AND PUBLISHED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS 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 distributi
5、on is permitted.Uncontrolled when printed.Copyright 2007 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cThis Standard will be revised when the Society approves the issuance of a new edition.There will be no addenda or wri
6、tten interpretations of the requirements of this Standard issued to this Edition.Date of Issuance:June 15,1984 This code or standard was developed under procedures accredited as meeting the criteria for Ameri-can National Standards.The Consensus Committee that approved the code or standard was balan
7、ced to assure that individuals from competent and concerned interests have had an opportunity to partici-pate.The proposed code or standard was made available for public review and comment which pro-vides an opportunity for additional public input from industn/,academia,regulatory agencies,and in th
8、e public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in con-nection with any items mentioned in this document,and does not undertake to insure anyone
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11、t of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.Copyright 0 1984 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyrighted material licensed to Stanford Univer
12、sity by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Copyright 2007 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASM
13、E.cFOREWORD(This Foreword is not part of American National Standard ANSVASME 61.2-l 983,Gages and Gaging for Unified Inch Screw Threads.)American National Standards Committee Bl for the Standardization of screw threads was organized in 1920 as Sectional Committee Bl under the aegis of the American E
14、ngi-neering Standards Committee(later the American National Standards Association,then the United States of America Standards Institute and,as of October 6,1969,the American National Standards Institute,Inc.),with the Society of Automotive Engineers and the American Society of Mechanical Engineers a
15、s joint sponsors.In 1982,American National Standards Committee Bl was reorganized as the ASME Standards Committee Bl,and since then it has operated under the American Society of Mechanical Engineers Procedures to produce and update standards which may become ANSI Standards after final approval by th
16、e American National Standards Institute.A declaration of accord with respect to the unification of screw threads was signed on November 18,1948,by representatives of the services and industry of the United States,the United Kingdom,and Canada.The ANSI Unified Screw Thread Standard B 1.1,through the quadripartite standardization agreement(QST AC)247,Unified Threads,is subject to an international standardization agreement through the instrumentality of the American-British-Canadian-Australian Army
