1977_2013.pdf

AMERICAN NATIONAL STANDARD Ball Screws A NSI 85.48-1977 SECRETARIAT SOCIETY OF AUTOMOTIVE ENGINEERS SOCIETY OF MANUFACTURING ENGINEERS NATIONAL MACHINE TOOL BUILDERS ASSOCIATION THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLISHED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS United Engineering Center 345 East 47th Street New York,N.Y.10017 REAFFIRMED 2013FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgNo 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 1977 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.ERRATA ANSI B5.48-1977 Ball Screws Page 13.Paragraph Al.2 Symbols,change 0=helix angle,degrees to read 0 lead angle,degrees.1 Page 13.Paragraph Al.3 Axial Angle Deflection Equations change 0=tan-11rBCD d 0-t 1 L to rea-an n:BCDCopyright 1979 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.(3/79)11111111111 M0089E FOREWORD In order to obtain a consensus opinion relative to proposals for standardization of ball screw assemblies within the ISO/TC39 Sub-committee Working Group 7,a number of users within the machine tool industry and manufacturers of ball screws were assembled.It was determined by this group that there was a need for such standardization in the United States and application was made to AN Standards Committee B5-Machine Tools,for the organization of a technical committee for this work.Accordingly,TC43 was organized and a scope was approved by AN Standards Committee B5.The first meeting was held on July 22,1971.The members of the committee represented manufacturers,users of ball screws,and others of general interest balanced according to ANSI requirements for such committees.This document was approved as an American National Standard on April 7,1977.iii AMERICAN NATIONAL STANDARDS COMMITTEE B5 MACHINE TOOLS,COMPONENTS,ELEMENTS,PERFORMANCE AND EQUIPMENT(The following is the roster of the Committee at the time of the approval of the Standard)OFFICERS W.L.McCann,Chairman E.A.Munschauer,Jr.,Vice-Chairman(Group A)Paul C.Ackermann,Vice-Chairman(Group C)C.T.Blake,Vice-Chairman(Group BJ Harold Cooper,Vice Chairman(Group D)E.J.Loeffler,Secretary STANDARDS COMMITTEE AMERICAN SOCIETY OF MECHANICAL ENGINEERS,THE F.S.Blackall,Ill,The Taft-Pierce Manufacturing Company,Woonsocket,Rhode Island C.T.Blake,The Warner&Swasey Company,Cleveland,OhioW.L.Mccann,Giddings&Lewis,Inc.,Fond du Lac,WisconsinEmile Couture,Alternate,Brown&Sharpe Manufacturing Company,North Kingstown,Rhode IslandDEFENSE INDUSTRIAL PLANT EQUIPMENT CENTER R.P.Mann,Memphis,Tennessee R.T.Hoffman,Alternate,Memphis,Tennessee NATIONAL MACHINE TOOL BUILDERS ASSOCIATION Charles Brien,Bullard Company,Bridgeport,Connecticut E.J.Loeffler,National Machine Tool Builders Association,Mc Lean,Virginia E.A.Munschauer,Jr.,Niagara Machine&Tool Works,Buffalo,New York G.F.Wilson,DoAll Company,Des Plaines,Illinois SOCIETY OF AUTOMOTIVE ENGINEERS A.J.McLaren,The Cross Company,Fraser,Michigan SOCIETY OF MANUFACTURING ENGINEERS W.N.Moore,The Ford Motor Company,Dearborn,Michigan Richard Pugh,Jones&Lamson,Springfield,Vermont J.J.Fickers,Alternate,Westinghouse Electric Corporation,Mansfield,Ohio SOCKET SCREW PRODUCTS BUREAU Paul Pick,Allen Manufacturing Company,Hartford,Connecticut TELEPHONE GROUP,THE R.A.Agnew,Western Electric Company,Inc.,Chicago,Illinois S.P.Rogacki,Alternate,Western Electric Company,Inc.,Kearny,New Jersey U.S.DEPARTMENT OF THE AIR FORCE To be appointed.U.S.DEPARTMENT OF THE ARMY D.L.York,Liaison,General Thomas Laboratory,Rock Island,IllinoisU.S.DEPARTMENT OF COMMERCE J.L.Pararas,National Bureau of Standards,Washington,D.C.U.S.DEPARTMENT OF THE NAVY J.N.Cornette,Liaison,Naval Ship Systems Command,Washington,D.C.V INDIVIDUAL MEMBERS Paul Ackermann,Cincinnati Milacron,Cincinnati,Ohio Harold Cooper,Chrysler Corporation,Detroit,Michigan R.J.Gargrave,Dayton Progress Corporation,Dayton,Ohio Harry McLinden,Caterpillar Tractor Company,Peoria,Illinois TECHNICAL COMMITTEE NO.43 BALL SCREWS Lawrence J.Pauze,Chairman,Giddings&Lewis Machine Tool Company,Fond du Lac,Wisconsin Paul C.Ackermann,Cincinnati Milacron,Cincinnati,Ohio Bernard B.Better,Bendix Industrial Tools Division,Chicago,Illinois Binichi,Doi,NSK Corporation,New York,New York David A.Ga/onska,Saginaw Steering Gear Division,General Motors Corporation,Saginaw,Michigan J.Robert Henstenburg,The Bullard Company,Bridgeport,ConnecticutRichard F.Jennings,Jones&Lamson,Springfield,VermontGilbert F.Lutz,The Warner&Swasey Company,Cleveland,OhioLynn Melick,Monarch Machine Tool Company,Sidney,OhioGordon L.Nordstrom,Sundstrand Machine Tool,Belvidere,IllinoisCONSULTING MEMBERS John A.Hope,Beaver Precision Products,Inc.,Troy,Michigan Donald J.Janowski,Saginaw Steering Gear Division,General Motors Corporation,Saginaw,Michigan William Radtke,Giddings&Lewis Machine Tool Company,Fond du Lac,Wisconsin Joe Rutkiewicz,Saginaw Steerin