1、A M E R I C A N N A T I O N A L S T A N D A R D Graphic Symbols for Railroad Maps and Profiles ANSI Y32.7-1972(REVISION OF ANSI Y32.7-1957)-REAFFIRMED 1994 FOR CURRENT COMMllTEE PERSONNEL PLEASE SEE ASME MANUAL AS-1 1 FOR CURRENT COMMllTEE PERSONNEL PLEASE SEE ASME MANUAL 4-1 1 SECRE TARlA T.THE AME
2、RICAN SOCIETY OF MECHANICAL ENGINEERS THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS 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 345 East 47th Street New York,N.Y.1001 7 Copyrighted material licensed to Stanford Universi
3、ty by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.REAFFIRMED 2004FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.orgNo part of this document may be reproduced in any form,in an electroni
4、c retrieval system or otherwise,without the prior written permission of the publisher.THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Copyright 0 1972 By Printed in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.N
5、o further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORD(This foreword is not a part of American National Standard Graphic Symbols for Railroad Maps and Profiles Y32.7-1972)This standard supersedes American National Standard Graphical Symbols for Use on Railroad Maps an
6、d Profiles,Y32.7-1957.It represents a compilation and correlation of graphic symbols used by the Engineer-ing Division and the Communications and Signal Section of Association of American Railroads.Following approval by Subcommittee 7 and Standards Committee Y32,it was granted approval by the Americ
7、an National Standards Institute on August 8,1972.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.AMERICAN NATIONAL STANDARDS COMMITTEE
8、 Y32 Graphic Symbols and Designations OFFICERS C.A.Fricke,Chairman J.L.Fisher,Jr.,Vice Chairman-Mechanical C.R.Muller,Vice-Chairman-Electrical L.A.Meadows,Vice-Chairman-Govr.Liaison W.L.Hewetson,Vice-Chairman-Chem.&Process S.I.Sherr,Secretary COMMITTEE PERSONNEL ACOUSTICAL SOCIETY OF AMERICA L.Batch
9、dder,Consultant,Cambridge,Massachusetts H.F.Olson,RCA Laboratories,Princeton,New Jersey AMERICAN CHEMICAL SOCIETY R.F.Schuerer,Linden,New Jersey AMERICAN GEAR MANUFACTURERS ASSOCIATION G.L.Scott,American Gear Manufacturers Association,Washington,D.C.AMERICAN INSTITUTE OF CHEMICAL ENGINEERS Dr.W.L.He
10、wetson,Berkeley,California Professor James R.Couper,Alternate,University of Arkansas,Fayetteville,Arkansas*AMERICAN INSTITUTE or;INDUSTRIAL ENGINEERS,INC.Professor lrving Goldsrein,Newark College of Engineering,Newark,New Jersey AMERICAN INSTITUTE OF MINING,METALLURGICAL AND PETROLEUM ENGINEERS J.W.
11、Warren,The Anaconda Company,Butte,Montana AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS J.A.Basselman,American Society of Agricultural Engineering,St.Joseph,Michigan AMERICAN SOCIETY OF CIVIL ENGINEERS K.R.&cobs,Georgia Institute of Technology,Atlanta,Georgia AMERICAN SOCIETY FOR ENGINEERING EDUCATION/
12、.L.Hill,Illinois Institute of Technology,Chicago,Illinois R.T.Northrup,Royal Oak,Michigan AMERICAN SOCIETY OF HEATING,REFRIGERATING AND AIR CONDITIONING ENGINEERS N.La Courte,American Society of Heating,Refrigerating and Air Conditioning Engineers,New York,New York C.W.MacPhee,Alternate,American Soc
13、iety of Heating,Refrigerating and Air Conditioning Engineers,New York,New York AMERICAN SOCIETY OF MECHANICAL ENGINEERS,THE R.W.Cockrell,Whittier,California A.R.Machell,Jr,Xerox Corporation,Rochester,New York 0.J.Maha,Parker Hannifin Corp.,Cleveland,Ohio H.E.Wlchli,Westinghouse Electric Corporation,
14、Pittsburgh,Pennsylvania AMERICAN SOCIETY OF SANITARY ENGINEERING J.C.Church,Mamaroneck,New York AMERICAN WELDING SOCIETY W.E.McKenzie,U.S.Naval Weapons Laboratory (TR),Dahlgren,Virginia iv Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanf
15、ord University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASSOCIATION OF AMERICAN RAILROADS Engineering Division Communication and Signal Section Mechanical Division M.F.McCorcle,St.Louis-San Francisco Railway,Springfield,Missouri J.L.McNabb,Association of Am
16、erican Railroads,Chicago,Illinois C.W.Martin,Alternate,Baltimore&Ohio Railroad,Baltimore,Maryland ASSOCIATION FOR COMPUTING MACHINERY P.G.Skelly,Association for Computing Machinery,Phoenix,Arizona CANADIAN STANDARDS ASSOCIATION E.F.V.Robinson,Liaison,National Research Council,Ottawa,Ontario,Chnada ILLUMINATING ENGINEERING SOCIETY L.E.Barbrow,National Bureau of Standards,Washington,D.C.J.E.Kaufman,Alternate,Illuminating Engineering Society,New York,New York INSTITUTE OF ELECTRICAL AND ELECTRONICS
