1997_2014.pdf

&The American Society of Mechanical Engineers A NA MERIC A NN ATION AL STA ND A R D ASME B94.19-1997(Revision ol ANSI/ASME B94.19-1985)REAFFIRMED 2014FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgDate of Issuance:March 20,1998 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 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 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 1998 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.FOREWORD(This Foreword is not part of ASME B94.19-1997.)Interest in the standardization of small tools,including milling cutters,dates back as far as 1916.Late in 1918 the American Engineering Standards Committee was organized and by 1920 ASME sponsorship had been sought and obtained for its efforts.During its early years,the interests of the Sectional Committee on Small Tools and Machine Tool Elements were concentrated on other parts of the standardization program;the manufacturers of milling cutters began the work by inaugurating a program of simplified practice under procedures set up by the U.S.Department of Commerce.A report of this activity was published in 1925.Technical Committee No.5,organized in 1927 to further the effort,by 1929 had completed a proposed standard,submitted it to and had it accepted by the Sectional Committee of the ASME and its two cosponsors,the National Machine Tool Builders Association and the Society of Automotive Engineers.Joint transmission of the proposed standard to the American Standards Association resulted in their grant of approval and recognition as an American Standard on April 8,1930,with the designation ASA B5c-l 930.Late in 1946,Sectional Committee B5 instructed a reorganized TC5 to revise this standard,bring it into harmony with the American Standard for Machine Tapers(ASA B5.l0-l 932),and enlarge its scope.On its completion in 1949 and approval by the Sectional Committee and its three cosponsor organizations(The Metal Cutting Tool Institute is the third),the revision was presented to the American Standards Association.Designation as an American Standard was given on April 5,1950.The document was designated ASA B5.3-l 950.Again in 1956,TC5 was reactivated,this time for the purpose of reviewing both ASA B5.3-1950 and ASA B5cl-l947(Nomenclature for Milling Cutter Teeth)for possible revision and unification.As a result of the review,the decision was made to revise and unify,which involved such changes as:(a)deletion of all cutters not considered as standards;(b)inclusion of a nomenclature section made up of words and terms taken from ASAB5cl-l947 and ASA B5.3-1950(both the nomenclature section and glossary of terms)but restricted to elements of standard cutters only;(c)segregation and sectionalizing of tolerances on milling cutter dimensions plus theaddition,for the first time,of a table of tolerances on the axial and radial runout of standard cutters.The resulting American Standard was approved on February 5,1960;it was designated ASA B5.3-I 960.In 1962,Sectional Committee B5 was divided,and the subject area of Cutting Tools,Holders,Drivers,and Bushings was assigned to new Sectional Comm