-15M_R2003_E1997.pdf

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.orgThe American Society of Mechanical Engineers 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 STEEL ROLLER TYPE NINVEYOR CHAINS SPROIKET TEETH ATTACHMENTS,AND ASME B21.15M-1 NU7(Revision of ASME B2N.15M-lNN5)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.Date of Issuance:October 31,1997 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 edition.ASME is the registered trademark of The American Society of Mechanical Engineers.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 opportunity to participate.The proposed code or standard was made available for public review and comment which provides an opportunity for additional public input from industry,academia,regulatory agencies,and the 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 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 liability.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)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibilityfor only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical Engineers 345 East 47th Street,New York,NY 10017 Copyright 0 1997 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed 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.(This Foreword is not part of ASME B29.15M-1997.)Chains of the type covered by this Standard were introduced late in the nineteenth century.These chains met with considerable success on material conveyors and elevators.Manufacturers developed and marketed many sizes and types in the following years.In the 1920s,a working group from the producers of these chains was formed to standardize them.In 1972,a subcommittee of American National Standards Committee B29 was appointed with American Chain Association members from the engineering steel chain industry to expand and update the existing standards.The 1997 revision of this Standard incorporates the new definition of Minimum Ultimate Tensile Strength(M.U.T.S.),as well as updated sprocket symbols.This revision was approved by the American National Standards Institute on April 17,1997.111 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.ASME STANDARDS COMMITTEE B29 Chains,Attachments,and Sprockets for Power Transmission and Conveying(The following is the roster of the Committee at the time of approval of this Standard.)OFFICERS C.B.Norberg,Chair R.t i.Uttke,Vice Chair J.L.Wright,Vice Chair K.M.Padilla,Secretary COMMITTEE PERSONNEL E.B.Beardslee.Beardslee Transmission Equipment Co.,Long Island City,New York L.E.Hampel,Allied-Locke Industries,Inc.,Dixon,Illinois J.Kane,U.S.Tsubaki Inc.,Holyoke,Massachusetts C.McDonald,Jervis B.Webb Co.,New Hudson,Michigan D.Moore,Jeffrey Chain Co.,Morristown,Tennessee C.B.Norberg,Consultant,Ithaca,New York V.D.Petershack,Hitachi Maxco Ltd.,Oconomowoc,Wisconsin R.A.Reinfried,Conveyor Equipment Manufacturers Association,Manassas,Virginia S.Rhoad,Webster Industries,Inc.,Tiffin,Ohio K.J.Smith,Drives,Inc.,Fulton,Illinois R.H.Uttke,Rexnord Corp.,Milwaukee,Wisconsin J.L.Wright,Consultant,Indianapolis,Indiana D.N.Zw