ISO-10998-2008.pdf
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1、 Reference number ISO 10998:2008(E) ISO 2008 INTERNATIONAL STANDARD ISO 10998 Second edition 2008-06-01 Agricultural tractors Requirements for steering Tracteurs agricoles Exigences relatives la conduite Copyright International Organization for Standardization Provided by IHS under license with ISO
2、Licensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:26:05 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 10998:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed bu
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5、e by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in
6、any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22
7、749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:26:05 MDTNo reproduction or networkin
8、g permitted without license from IHS -,-,- ISO 10998:2008(E) ISO 2008 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 3.1 General terms 1 3.2 Steering parameters. 3 3.3 Types of steering equipment. 4 3.4 Types of steering transmissio
9、n. 5 4 General provisions for testing. 6 5 Requirements, test procedures and acceptance criteria 6 5.1 Predictable response of the tractor 6 5.2 Steering response behaviour 7 5.3 Actuating forces/reaction forces. 7 5.4 Simulation of failures (increased steering forces) 8 5.5 Energy supply/reserve an
10、d warnings. 10 5.6 Adjustment devices/care/maintenance 11 5.7 Strength/durability of components. 11 5.8 Steering systems containing complex electronic control systems 12 Annex A (normative) Special requirements to be applied to the safety aspects of complex electronic tractor control systems 13 Bibl
11、iography. 18 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:26:05 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 10998:2008(E) iv ISO 2008 All rights reserved F
12、oreword 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 member body interested in a subject for which a te
13、chnical 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 Electrotechnical Commission (IEC) on all matters
14、of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated
15、 to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible f
16、or identifying any or all such patent rights. ISO 10998 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 4, Tractors. This second edition cancels and replaces the first edition (ISO 10998:1995), which has been technically revised. Co
17、pyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:26:05 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 10998:2008(E) ISO 2008 All rights reser
18、ved 1 Agricultural tractors Requirements for steering 1 Scope This International Standard specifies performance and safety requirements for both normal and emergency steering modes of agricultural tractors. It is applicable to those tractors having a maximum design speed, measured in accordance with
19、 ISO 3965, not exceeding (60 3) km/h. It is not applicable to track-laying tractors equipped with steel tracks having a maximum design speed, measured in accordance with ISO 3965, not exceeding (15 3) km/h. 2 Normative references The following referenced documents are indispensable for the applicati
20、on of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 789-11:1996, Agricultural tractors Test procedures Part 11: Steering capability of wheeled tractors ISO 3965:1990,
21、Agricultural wheeled tractors Maximum speeds Method of determination ISO 7000:2004, Graphical symbols for use on equipment Index and synopsis ISO 14982:1998, Agricultural and forestry machinery Electromagnetic compatibility Test methods and acceptance criteria ISO 19879:2005, Metallic tube connectio
22、ns for fluid power and general use Test methods for hydraulic fluid power connections 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 General terms 3.1.1 agricultural tractor power-driven vehicle, either wheeled and having at least two-axles
23、or tracklaying, whose function depends essentially on its tractive power, and which is specially designed to pull, push, carry or actuate certain implements, machines or trailers intended for use in agriculture or forestry NOTE Such a tractor can be arranged to carry a load and/or attendants as spec
24、ified in ISO 23205. 3.1.2 steering equipment all components whose purpose is to determine the direction of movement of the tractor, comprising steering control (3.1.3), steering transmission (3.1.4), steered wheels (3.1.7) or tracks, and energy supply (3.1.8) if any Copyright International Organizat
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