ASME_B106.1m-1985.pdf

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 Design of Transmission Shafting ANSVASME B106.1M-1985(SECOND PRINTING)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 C A L E N G I N E E R S United Engineering Center New York,N.Y.1 O01 7 345 East 47th Street Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 12:46:34 MSTNo reproduction or networking permitted without license from IHS-,-,-ASME B L O b*L M 85 I 0757670 OOL1LO65 7 I Page 1 7 8-9 16-1 9 21 Second printing-March 1986.Incorporates the following editorial changes.Location 2 Table 3 Fig.4 Fig.6 Table BI Table CI Change Definition of Su revised Note(2)and reference added Acknowledgment corrected(1 1 Caption revised(2)General Note deleted Revised in its entirety Third column heading and first entry revised Date of Issuance:August 30,1985 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.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 haGe had an oppor-tunity 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,reg-.ulatory 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 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 reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.Copyright O 1986 by THE AMERICAN SOCIETY OF-MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 12:46:34 MSTNo reproduction or networking permitted without license from IHS-,-,-A S I E BLOb*LI 85 W 0759670 004LObb O=FOREWORD(This Foreword is not part of ANSI/ASME B106.1M-1985.)Since 1954,when the Code for Design of Transmission Shafting(ASA-B17C-1927)was with-drawn,there has been a need for a design method which recognizes advances in shaft design technology.ASA-B17C provided a design method covering a wide range of machine shafting applications.It was based on the static yield strength of the shaft material under combined bending and tor-sional shaft load,and made allowance for service conditions.It was found to be overly conser-vative in some cases;in others,it was believed to be incomplete.It is now well accepted that most shaft failures are caused by progressive crack propagation resulting from fluctuating load,commonly called“fatigue failure.”A shaft design method based on the fatigue strength of the shaft is needed.The purpose of this Standard is to present such a method for the most common shaft loading condition of combined reversed-bending and steady torsion.American National Standards Committee B106 held its organizational meeting on May 23,1968.On October 6,1981,the Committee was reorganized as ASME Standards Committee B106 on Design of Transmission Shafting.Suggestions for the improvement of this Standard will be welcomed.They should be sent to The American Society of Mechanical Engineers,United Engineering Center,345 East 47th Street,New York,New York 10017.This Standard was approved by the American National Standards Institute on May 17,1985.Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 12:46:34 MSTNo reproduction or networking permitted without license from IHS-,-,-ASME B Z O b*L M 85 I 0757670 0041067 2 I ASME STANDARDS COMMITTEE B106 Design of Transmission Shafting(The following is the roster of the Committee