2001_2013.pdf

ASME B29.400-2001COMBINATION,“H”TYPE MILL CHAINS,AND SPROCKETSIncorporating ASME B29.11M and ASME B29.14MA N A M E R I C A N N A T I O N A LS T A N D A R DASME B29.400-2001COMBINATION,“H”TYPE MILL CHAINS,AND SPROCKETSIncorporating ASME B29.11M and ASME B29.14MA N A M E R I C A N N A T I O N A LS T A N D A R DREAFFIRMED 2013FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgIntentionally left blank ANAMERICANNATIONALSTANDARDCOMBINATION,“H”TYPEMILLCHAINS,ANDSPROCKETSIncorporatingASMEB29.11MandASMEB29.14MASMEB29.400-2001Date of Issuance:February 28,2003This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages at http:/www.asme.org/codes/as they are issued.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 NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput 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 anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2003 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.viCorrespondence With the B29 Committee.viiASME B29.11MCombination Chains,Attachments,and Sprocket Teeth.1ASME B29.14MH Type Mill Chains,Attachments,and Sprocket Teeth.12iiiFOREWORDThis Standard is a consolidation of two ASME standards,ASME B29.11M-1994(CombinationChains,Attachments,and Sprocket Teeth)and ASME B29.14M-1996(H Type Mill Chains,Attachments,and Sprocket Teeth).These two standards were combined into one because of thesimilarity of construction and the unusual applications for the two types of chains.B29.11M Combination Chains,Attachments,and Sprocket TeethIn 1886 a patent was granted for a chain comprised of cast metal block links,fitted with bronzebushings,and connected with wrought steel sidebars and removable pins.This chain was theforerunner of the present combination chain(B29.11M),later placed on the market around 1900.Many sizes and types of combination chains were developed and marketed in the next severalyears.During World War I,the War Industries Board insisted that chain manufacture be confined tothe necessary sizes.This caused elimination of several types and sizes,and planted the seed forfuture standardization.Following World War I,the Malleable Chain Manufacturers Institute wasformed,and this group did considerable work on standardization of chain and sprocket dimen-sions for combination chains of the more popular sizes.There were still dimensional variationsthat would not permit universal intercoupling of chains of different manufacture,necessitatingrepairs made with chains of the original manufacturer.The ASCMA(now the American Chain Association),recognizing the need for a completestandard providing intercoupling and direct replacement of chains of different manufacture,established this Standard utilizing the minimum number of chains to meet requirements ofindustry for the chains widely used in conveyor and elevator applications.To facilitate the use of this Standard in the international market,the metric equivalents of alldimensions are given.This Standard was presented to the USASI(now the American National Standards Institute)B29 Committee in December 1963 and,upon approval by the USASI on May 24,1968,was