BS EN ISO 128-3:2022

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Technical product documentation (TPD). General principles of representation – Views, sections and cuts

Published By	Publication Date	Number of Pages
BSI	2022	58

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Description

This document specifies the general principles for presenting views, sections and cuts applicable to various kinds of technical drawings (e.g. mechanical, electrical, architectural, civil engineering), following the orthographic projection methods specified in ISO 5456-2. Views and sections for shipbuilding technical drawings are discussed in ISO 128-15. Views and sections for 3D models are discussed in ISO 16792. Attention has also been given in this document to the requirements of reproduction, including microcopying in accordance with ISO 6428.

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PDF Pages	PDF Title
2	National foreword
4	European foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	4 Basic conventions for views 4.1 General information on views
11	4.2 Choice of views 4.3 Partial views
12	4.4 Simplified view of symmetrical parts 4.5 First-angle projection method 4.6 First-angle projection method views
13	4.7 First-angle projection graphical symbol 4.8 Third-angle projection method 4.9 Third-angle projection method views
14	4.10 Third-angle projection graphical symbol 4.11 Other projection methods 4.12 Enlarged features
15	5 Reference indication for views and enlarged features 5.1 General 5.2 Details of the reference indication
16	5.3 Examples of indication
17	6 General information on cuts and sections 6.1 General 6.2 Indication of cuts and sections 6.2.1 Cutting plane 6.2.2 Identification of the cutting plane 6.2.3 Identification of the cuts and sections
18	6.2.4 Reference indication for cuts and sections
19	6.3 Sections revolved in the relevant view
20	6.4 Cuts/sections of symmetrical parts 6.5 Local cuts/sections
21	7 Basic conventions for representing areas on cuts and sections 7.1 General information on cuts and sections 7.2 Hatching
22	7.3 Shading or toning
23	7.4 Extra-wide continuous outlines 7.5 Thin sections 7.6 Thin adjacent sections
24	7.7 Specific materials
25	Annex A (normative) Graphical symbols
28	Annex B (informative) Former practices
30	Annex C (normative) Views on mechanical engineering technical drawings
42	Annex D (normative) Sections on mechanical engineering technical drawings
47	Annex E (normative) Projection methods in building technical drawings
49	Annex F (normative) Representation of views, sections and cuts on construction drawings
56	Bibliography

Additional information

Status	Definitive
Pages	58
Publication Date	2022-09-21
ISBN	978 0 539 18580 5
Standard Number	BS EN ISO 128-3:2022
Title	Technical product documentation (TPD). General principles of representation – Views, sections and cuts
Identical National Standard Of	EN ISO 128-3, ISO 128-3:2022
Replaces	BS EN ISO 128-3:2020
Descriptors	Documentation, Indexes (documentation), Information representation, Regulations (technical), Technical drawing, Technical drawings, Documents, Technical documents, Technical data sheets
Publisher	BSI
Committee	TPR/1

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BS EN ISO 128-3:2022

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