-36M_R2002_E1996.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 2002FOR 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 SURFACE TEITURE SYMBOLS ASME Y 14.361-1/!M I Revision of A N S I Y 14.36-1 978(fll!l!l3)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:August 13,1996 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 the determination of the validity of any such patent rights,and the risk of the infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or persons(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 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 E.47th Street New York,NY 10017 Copyright 0 1996 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.FOREWORD(This Foreword is not part of ASME Y14.36M-1996.)Subcommittee 36,Surface Texture Symbols,was formed in November 1974,and is a Subcommittee of the ASME Standards Committee Y14,Engineering Drawing and Related Documentation Practices.The Subcommittee is charged with the responsibility of establishing surface texture symbols,and methods for specifying them on engineering drawings.The basis for this Standard is ASME B46.1-1995,Surface Texture,which covers other subjects related to surface texture,such as definitions of terms,instrumentation,precision reference specimens,roughness comparison specimens,and reference material such as notes on use and interpretation of profiling instruments,control and production of surface texture,and other methods of specification and measurement of surface qualities.This revision is also based on a review of and conforms in most respects with the international standard IS0 1302:1992,Technical Drawings-Method of Indicating Surface Texture.The following is a summary of the significant changes made to the 1978 Edition of this Standard.(a)The waviness designation is invoked by W,and a value placed in the symbol;(b)roughness values other than R,now have a place in the symbol;(c)other parameters can be invoked by a note;(d)the location in the symbol for designating processes now conforms with IS0 1302:1992;(e)the roughness cutoff or sampling length no longer has a default value of 0.8 mm(.030 in.).Suggestions for improvement of this Standard will be welcome.They should be sent to The American Society of Mechanical Engineers,Att:Secretary,Y14 Main Committee,345 East 47th Street,New York,NY 10017.This revision was approved as an American National Standard on February 5,1996 iii 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 Y14 Engineering Drawing an