1987_2000.pdf

Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 23:46:31 MSTNo reproduction or networking permitted without license from IHS-,-,-STD*ASME B94.18-ENGL 1988=0759670 Ob221b3 861 I AN AMERICAN NATIONAL STANDARD Punches-Basic Ball-Lock,Light and Heavy Duty ASME/ANSI B94.18-I 987 REVISION OF USAS B94.18-1968(Rl981)1 The American Society of Mechanical Engineers 345 East 47th Street,New York,N.Y.10017 Copyright ASME International Provided by IHS under license with ASME Licensee=University of Alberta/5966844001,User=trert,rtyrtyrtyNot for Resale,03/07/2015 23:46:31 MSTNo reproduction or networking permitted without license from IHS-,-,-STDOASME B94.18-ENGL 1988 0759670 0622LbB 7T8=Date of Issuance:June 30,1988 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 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 representativeis)or personis)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 1988 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 23:46:31 MSTNo reproduction or networking permitted without license from IHS-,-,-FOREWORD(This Foreword i s not part of ASME/ANSI 894.18-1987.)The National Association of Punch Manufacturers(NAPM)Standards referred to herein are a temporary device to coordinate industry conversion to the proposed standards without costly delays.Reference to NAPM Standards can eventually be discontinued.This Standard is one of a series of standards for interchangeable punches and accessories for precision stamping dies as developed and proposed by NAPM.This group of punches is pnmanly intended for use in various stamping dies,as built by die makers,for long-run production of specific and individual metal parts in many different kinds of punch presses.Retention of these punches requires precision,ball-lock retainers incorporating a hardened retainer ball in an angular hole,and spring-loaded,that locks into the ball detent provided in the punches.The punch can be normally released from the retainer allowing punch replace-ment without dismounting the retainer.See ASMEIANSI B94.16-1987(NAPM Standards Nos.45 and 46)for standard retainers for single punches and ASME/ANSI B94.17-1987(NAPM Standards Nos.85 and 86)for functional gaging for locking interchangeability.The members of NAPM have been major contributors to the development of these standards in their committee work,their individual concessions to the general good,their intimate knowledge of the items standardized,and their active efforts in the promotion of adoption of the standards.User representatives on USA Standards Committee B94,TC 16,have been uniquely effective in their concise presentation of application needs that so greatly contributed to the rapid progress of the committee.Technical Committee No.16 has balanced representation of the interests of punch manu-facturers and punch users and has thoroughly reviewed the proposal before approving it.The first meeting of TC 16 was April 23,1964.This Standard was submitted to industry for review and com