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MS ISO 128-34:2010

TECHNICAL DRAWINGS -GENERAL PRINCIPLES OF PRESENTATION -PART 34: VIEWS ON MECHANICALENGINEERING DRAWINGS(ISO 128-34:2001, IDT)

ICS: 01.100.20

Descriptors: technical drawings, views, mechanical, orthographic, projection

© Copyright 2010

DEPARTMENT OF STANDARDS MALAYSIA

ISO 128-34:2001 is endorsed as Malaysian Standard with thereference number MS ISO 128-34:2010.

MALAYSIAN

STANDARD

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DEVELOPMENT OF MALAYSIAN STANDARDS

The Department o f Standards Malaysia (STANDARDS MALAYSIA) is the national

standards and accreditation body of Malaysia.

The main function of STANDARDS MALAYSIA is to foster and promote standards,

standardisation and accreditation as a means of advancing the national economy,

promoting industrial efficiency and development, benefiting the health and safety of

the public, protecting the consumers, facilitating domestic and international trade and

furthering international cooperation in relation to standards and standardisation.

Malaysian Standards (MS) are developed through consensus by committees which

comprise balanced representation of producers, users, consumers and others with

relevant interests, as may be appropriate to the subject at hand. To the greatest

extent possible, Malaysian Standards are aligned to or are adoption of international

standards. Approval of a standard as a Malaysian Standard is governed by the

Standards of Malaysia Act 1996 [Act 549]. Malaysian Standards are reviewed

periodically. The use of Malaysian Standards is voluntary except in so far as they are

made mandatory by regulatory authorities by means of regulations, local by-laws or

any other similar ways.

STANDARDS MALAYSIA has appointed SIRIM Berhad as the agent to develop,

distribute and sell the Malaysian Standards.

For further information on Malaysian Standards, please contact:

Department of Standards Malaysia OR SIRIM BerhadMinistry of Science, Technology and Innovation (Company No. 367474 - V)Level 1 & 2, Block 2300, Century Square 1, Persiaran Dato’ MenteriJalan Usahawan Section 263000 Cyberjaya 40000 Shah AlamSelangor Darul Ehsan Selangor Darul EhsanMALAYSIA MALAYSIA

Tel: 60 3 8318 0002 Tel: 60 3 5544 6000Fax: 60 3 8319 3131 Fax: 60 3 5510 8095http://www.standardsmalaysia.gov.my http://www.sirim.my

E-mail: [email protected] E-mail: [email protected]

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MS ISO 128-34:2010

© STANDARDS MALAYSIA 2010 - All rights reserved i

Committee representation

The Industry Standards Committee on Mechanical Engineering (ISC F) under whose authority this MalaysianStandard was adopted, comprises representatives from the following organisations:

Department of Occupational Safety and Health MalaysiaDepartment of Standards MalaysiaJabatan Kerja Raya MalaysiaMachinery and Equipment Manufacturers' AssociationMalaysian Industrial Development AuthorityMalaysian Iron and Steel Industry FederationMinistry of International Trade and IndustryNational Institute of Occupational Safety and HealthPetroliam Nasional BerhadScience and Technology Research Institute for Defence

SIRIM Berhad (Secretariat)SIRIM QAS International Sdn BhdSuruhanjaya Perkhidmatan Air NegaraSuruhanjaya TenagaThe Institution of Engineers, MalaysiaUniversiti Kebangsaan MalaysiaUniversiti MalayaUniversiti Sains MalaysiaUniversiti Teknologi Malaysia

The Technical Committee on Technical Drawings which recommended the adoption of the ISO Standard asMalaysian Standard consists of representatives from the following organisations:

Association of Consulting Engineers Malaysia

Construction Industry Development Board Malaysia

Jabatan Kerja Raya Malaysia

Kolej Kemahiran Tinggi MARA

Machinery and Equipment Manufacturers' Association

Malaysia Mould and Die Association

Master Builders Association Malaysia

Pertubuhan Akitek Malaysia

SIRIM Berhad (Advanced Manufacturing Technology Centre)

SIRIM Berhad (Secretariat)

The Institution of Engineers, Malaysia

Universiti Industri Selangor

Universiti Teknologi Malaysia

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MS ISO 128-34:2010

ii © STANDARDS MALAYSIA 2010 - All rights reserved

NATIONAL FOREWORD

The adoption of the ISO Standard as a Malaysian Standard was recommended by theTechnical Committee on Technical Drawings under the authority of the Industry StandardsCommittee on Mechanical Engineering.

This Malaysian Standard is identical with ISO 128-34:2001, Technical drawings - Generalprinciples of presentation - Part 34: Views on mechanical engineering drawings, published bythe International Organization for Standardization (ISO). However, for the purposes of thisMalaysian Standard, the following apply:

a) in the source text, "this International Standard" should read "this Malaysian Standard";

b) the comma which is used as a decimal sign (if any), to read as a point; and

c) reference to International Standards should be replaced by corresponding MalaysianStandards as follows:

Referenced International Standards Corresponding Malaysian Standards

ISO 128-20, Technical drawings - Generalprinciples of presentation - Part 20: Basicconventions for lines

MS ISO 128-20, Technical drawings -General principles of presentation - Part 20:Basic conventions for lines

ISO 128-24, Technical drawings - General

principles of presentation - Part 24: Lineson mechanical engineering drawings

MS ISO 128-24, Technical drawings -

General principles of presentation - Part 24:Lines on mechanical engineering drawings

ISO 128-30, Technical drawings - Generalprinciples of presentation - Part 30: Basicconventions for views

MS ISO 128-30, Technical drawings -General principles of presentation - Part 30:Basic conventions for views

ISO 129, Technical drawings - Indication of dimensions and tolerances - Part 1:General principles

MS ISO 129, Technical drawings - Indicationof dimensions and tolerances - Part 1:General principles

MS ISO 128 consists of the following parts, under the general title Technical drawings -General principles of presentation:

Part 1: Introduction and index

Part 20: Basic conventions for lines

Part 21: Preparation of lines by CAD systems

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MS ISO 128-34:2010

© STANDARDS MALAYSIA 2010 - All rights reserved iii

NATIONAL FOREWORD (continued)

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 shipbuilding drawings

Part 30: Basic conventions for views

Part 34: Views on mechanical engineering drawings

Part 40: Basic conventions for cuts and sections

Part 44: Sections on mechanical engineering drawings

Part 50: Basic conventions for representing areas on cuts and sections

Compliance with a Malaysian Standard does not of itself confer immunity from legalobligations.

NOTE. IDT on the front cover indicates an identical standard i.e. a standard where the technical content, structure,and wording (or is an identical translation) of a Malaysian Standard is exactly the same as in an InternationalStandard or is identical in technical content and structure although it may contain the minimal editorial changes

specified in clause 4.2 of ISO/IEC Guide 21-1.

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Reference numberISO 128-34:2001(E)

© ISO 2001

INTERNATIONALSTANDARD

ISO128-34

First edition

2001-01-15

Technical drawings — General principles of

presentation —

Part 34:Views on mechanical engineering drawings

Dessins techniques — Principes généraux de représentation —

Partie 34: Vues applicables aux dessins industriels

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ISO 128-34:2001(E)

PDF disclaimer

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Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameterswere optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely eventthat a problem relating to it is found, please inform the Central Secretariat at the address given below.

© ISO 2001

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronicor mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member bodyin the country of the requester.

ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47

E-mail [email protected] www.iso.ch

Printed in Switzerland

ii © ISO 2001 – All rights reserved

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ISO 128-34:2001(E)

© ISO 2001 – All rights reserved iii

Contents Page

Foreword.....................................................................................................................................................................iv

1 Scope ..............................................................................................................................................................1

2 Normative references ....................................................................................................................................1

3 Terms and definitions ...................................................................................................................................1

4 Types of lines and their application.............................................................................................................2

5 Local views.....................................................................................................................................................2

6 Adjacent parts and contours ........................................................................................................................3

7 Intersections...................................................................................................................................................4

8 Square ends on shafts ..................................................................................................................................6

9 Interrupted views ...........................................................................................................................................6

10 Repeated features..........................................................................................................................................7

11 Enlarged features...........................................................................................................................................8

12 Initial outlines.................................................................................................................................................8

13 Bend lines.......................................................................................................................................................8

14 Slight inclines or curves ...............................................................................................................................9

15 Transparent objects ......................................................................................................................................9

16 Movable parts...............................................................................................................................................10

17 Finished parts and blanks ..........................................................................................................................11

18 Parts made from separate, equal elements ..............................................................................................11

19 Surface pattern.............................................................................................................................................12

20 Fibre and rolled directions..........................................................................................................................12

21 Parts with two or more identical views .....................................................................................................12

22 Mirror-image parts .......................................................................................................................................13

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