ISO-14121-1999.pdf
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1、A Reference number ISO 14121:1999(E) INTERNATIONAL STANDARD ISO 14121 First edition 1999-02-01 Safety of machinery Principles of risk assessment Scurit des machines Principes pour lapprciation du risque Copyright International Organization for Standardization Provided by IHS under license with ISO L
2、icensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 00:31:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14121:1999(E) ISO 1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any for
3、m or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 CH-1211 Genve 20 Switzerland Internetisoiso.ch Printed in Switzerland ii Contents Page 1Scope.1 2Normati
4、ve references 1 3Terms and definitions 1 4General principles2 5Determination of the limits of the machinery4 6Hazard identification 4 7Risk estimation 4 8Risk evaluation 8 9Documentation.9 Annex A (informative) Examples of hazards, hazardous situations and hazardous events .11 Annex B (informative)
5、Methods for analysing hazards and estimating risk.16 Bibliography .18 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 00:31:55 MDTNo reproduction or networking permitted without
6、license from IHS -,-,- ISOISO 14121:1999(E) iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each m
7、ember 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 non- governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International
8、 Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for v
9、oting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 14121 was prepared by the European Committee for Standardization (CEN) (as EN 1050:1996) and was adopted, under a special “fast-track procedure”, by Tech
10、nical Committee ISO/TC 199, Safety of machinery, in parallel with its approval by the ISO member bodies. Annexes A and B of this International Standard are for information only. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical St
11、andards 1/9972545001 Not for Resale, 04/19/2007 00:31:55 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14121:1999(E) ISO iv Introduction This International Standard has been prepared to be a harmonized standard in the sense of the Machinery Directive of the European U
12、nion and associated regulations of the European Free Trade Association (EFTA). The function of this Type A standard is to describe principles for a consistent systematic procedure for risk assessment as introduced in clause 6 of ISO/TR 12100-1:1992. This International Standard gives guidance for dec
13、isions during the design of machinery (see 3.11 of ISO/TR 12100-1:1992) and will assist in the preparation of consistent and appropriate Type B and Type C standards in order to comply with the essential safety and health requirements (see annex A of EN 292-2:1991/A1:1995). By itself this Internation
14、al Standard will not provide presumption of conformity to the essential safety and health requirements (see annex A of ISO/TR 12100-1:1992). It is recommended that this International Standard be incorporated in training courses and manuals to give basic instruction on design methods. Copyright Inter
15、national Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 00:31:55 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISOISO 14121:1999(E) 1 Safety of machin
16、ery Principles of risk assessment 1 Scope This International Standard establishes general principles for the procedure known as risk assessment, by which the knowledge and experience of the design, use, incidents, accidents and harm related to machinery is brought together in order to assess the ris
17、ks during all phases of the life of the machinery see 3.11 a) of ISO/TR 12100-1:1992. This International Standard gives guidance on the information required to allow risk assessment to be carried out. Procedures are described for identifying hazards and estimating and evaluating risk. The purpose of
18、 the International Standard is to provide advice for decisions to be made on the safety of machinery and the type of documentation required to verify the risk assessment carried out. This International Standard is not intended to provide a detailed account of methods for analysing hazards and estima
19、ting risk, as this is dealt with elsewhere (e.g. text books and other reference documents). A summary of some of these methods is given for information only (see annex B). 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute pr
20、ovisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of
21、the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO/TR 12100-1:1992, Safety of machinery Basic concepts, general principles for des
22、ign Part 1: Basic terminology, methodology. ISO/TR 12100-2:1992, Safety of machinery Basic concepts, general principles for design Part 2: Technical principles and specifications. IEC 60204-1:1992, Safety of machinery Electrical equipment of machines Part 1: General requirements. EN 292-2:1991/A1:19
23、95, Safety of machinery Basic concepts, general principles for design Part 2: Technical principles and specifications. 3 Terms and definitions For the purposes of this International Standard, the terms and definitions given in ISO/TR 12100-1:1992 and the following apply. 3.1 harm physical injury and
24、/or damage to health or property ISO/IEC Guide 51:1990, 3.4 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 00:31:55 MDTNo reproduction or networking permitted without license fr
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