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5-1M_R2004_E1985.pdf

1、A N A M E R I C A N N A T I O N A L S T A N D A R D T-Slots,Their Bolts,Nuts,and 4 Tongues ANSI/ASME B5.1M-1985(REVISION OF ANSI 65.1-1975)-.REAFFIRMED 1998 FOR CURRENT COMMITFEE PERSONNEL PLEASE SEE ASME MANUAL AS-1 1 SPONSORED AND PUBLISHED BY T H E A M E R I C A N S O C I E T Y O F M E C H A N I

2、C A L E N G I N E E R S United Engineering Center 345 East 47th Street New York,N.Y.1001 7 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

3、.REAFFIRMED 2004FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgDate of Issuance:September 15,1986 This Standard will be revised when the Society approves the issuance of a new edition.There will be no addenda or written interpretations of the requirements of this Standard issued to this Edit

4、ion.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Consensus Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an oppor-tunity to participat

5、e.The proposed code or standard was made available for public review and comment which provides an opportunity for additional public input from industry,academia,reg-ulatory agencies,and the public-at-large.ASME does not approve,rate,or endorse any item,construction,proprietary device,or activity.AS

6、ME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent,nor assume any such liabil

7、ity.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s.1 or person(s)affiliated with industry is not to be int

8、erpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual vol-unteers.No part of this document may be

9、 reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.Copyright 0 1986 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.I Copyrighted material licensed to Stanford University by Thomson Scienti

10、fic(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORD(This Foreword is not part of ANSVASME B5.1M-1985.)Work on the standardization of T-slots started in 1924 and a tentative standard was published in 1927.

11、The first official American Standard for T-slots came in 1941.This was last revised in 1949.The 1975 revision continued the basic sizes originally established.However,all.dimensions except the nominal T-bolt size were converted to decimal inches in recognition of the increas-ing preference of indust

12、ry for decimals.Much material that was originally included to cover the transitional period has been deleted.A lettering system for the figures has been adopted that should facilitate cross reference be-tween tables.In this system,comparable dimensions bear the same letter with a subscript indicatin

13、g table number.Thus,A,is width of T-slot throat,A2 is diameter of T-bolt to fit that throat,and A3 is width of T-nut tongue to fit that throat.Metric T-slots,as they have been standardized by ISO/TC39,Machine Tools,have been placed side by side with the inch-sized T-slots.Interchangeability is possi

14、ble between corre-sponding sizes of the two measuring systems with the exception of the locating tongue and T-slot throat dimensions,and the difference in the fastening threads on T-bolts.The listing of T-slots and T-bolts in IS0 299-1973,although essentially identical to sizes listed in this Stan-d

15、ard,are rejected because they are shown with fractional dimensions.The spacing of T-slots in machine tool components as given in IS0 299-1973 is likewise rejected following consensus of U.S.builders and users of machine tools.This Standard accepts the tolerance codes of IS0 286 for metric sizes of T

16、-slots only.Information relative to cutters for T-slots has been deleted to avoid duplication and possible conflict with information contained in ANWASME B94.19,.Milling Cutters and End Mills.Following approval by the Standards Committee,the 1975 revision was presented to the sponsor organizations and to ANSI for approval and designation as an American National Standard.This was granted on August 8,1975.The 1985 revision was approved as an American National Standard on December 12,1985.111.Copyr

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