1、BSI Standards PublicationBS ISO 128-43:2015Technical productdocumentation (TPD) General principles ofpresentationPart 43: Projection methods in buildingdrawingsBS ISO 128-43:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 128-43:2015.The UK participation i
2、n its preparation was entrusted to TechnicalCommittee TDW/4, Technical Product Realization.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible fo
3、r its correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 88411 5ICS 01.100.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy an
4、d Strategy Committee on 30 June 2015.Amendments issued since publicationDate Text affectedBS ISO 128-43:2015 ISO 2015Technical product documentation (TPD) General principles of presentation Part 43: Projection methods in building drawingsDocumentation technique de produits (TPD) Principes gnraux de
5、reprsentation Partie 43: Mthodes de projection dans les dessins de btimentINTERNATIONAL STANDARDISO128-43First edition2015-07-01Reference numberISO 128-43:2015(E)BS ISO 128-43:2015ISO 128-43:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll righ
6、ts reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from ei
7、ther ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 128-43:2015ISO 128-43:2015(E)Foreword iv1 Scope . 12 Direct o
8、rthographic projection . 13 Mirrored orthographic projection . 24 Symbolization 2 ISO 2015 All rights reserved iiiContents PageBS ISO 128-43:2015ISO 128-43:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodie
9、s). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and n
10、on-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are descr
11、ibed in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to
12、 the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the I
13、SO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as
14、 well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information .The committee responsible for this document is ISO/TC 10, Technical product documentation, SC 8, Construction documentation.This first
15、edition of ISO 128-43 cancels and replaces ISO 2594:1972, after being renumbered to be included in the ISO 128 series.ISO 128 consists of the following parts, under the general title Technical drawings General principles of presentation: Part 1: Introduction and index Part 15: Representation of ship
16、building drawings Part 20: Basic conventions for lines Part 21: Preparation of lines by CAD systems Part 22: Basic conventions and applications for leader lines and reference lines Part 23: Lines on construction drawings Part 24: Lines on mechanical engineering drawings Part 25: Lines on shipbuildin
17、g drawings Part 30: Basic conventions for views Part 34: Views on mechanical engineering drawings Part 40: Basic conventions for cuts and sections Part 43: Projection methods in building drawings Part 44: Sections on mechanical engineering drawingsiv ISO 2015 All rights reservedBS ISO 128-43:2015ISO
18、 128-43:2015(E) Part 50: Basic conventions for representing areas on cuts and sections Part 71: Simplified representation for mechanical engineering drawings Technical Specification ISO 2015 All rights reserved vBS ISO 128-43:2015BS ISO 128-43:2015Technical product documentation (TPD) General princi
19、ples of presentation Part 43: Projection methods in building drawings1 ScopeThis part of ISO 128 defines two projection methods used in building drawings, namely direct orthographic projection method and mirrored orthographic projection method,and also provides the symbols applicable for each method
20、.2 Direct orthographic projectionDirect orthographic projection is the representation of an object obtained by the intersection at right angles of projection lines with a plane.The view shows the side of the object which faces the artists eye.Orthographic projection is the method generally used.Figu
21、re 1 Direct orthographic projectionKey1 symbolINTERNATIONAL STANDARD ISO 128-43:2015(E) ISO 2015 All rights reserved 1BS ISO 128-43:2015ISO 128-43:2015(E)3 Mirrored orthographic projectionMirrored orthographic projection is the reproduction of the image in a mirror of an object when the mirror is pa
22、rallel to the horizontal planes of this object.Figure 2 Mirrored orthographic projectionKey1 symbol4 SymbolizationThe symbol for direct orthographic projection is as shown by Figure 1: two parallel arrows, perpendicular to a thin chain line.The symbol for mirrored orthographic projection is as shown
23、 by Figure 2: two double arrows, perpendicular to a thin chain line.2 ISO 2015 All rights reservedBS ISO 128-43:2015BS ISO 128-43:2015ISO 128-43:2015(E) ISO 2015 All rights reservedICS 01.100.30Price based on 2 pagesThis page deliberately left blankBSI is the national body responsible for preparing
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