BS-5510-1991 ISO-3965-1990.pdf
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1、BRITISH STANDARD BS 5510:1991 ISO 3965:1990 Methods for Determination of maximum speeds of agricultural wheeled tractors Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5510:1991 This British Standard, having been prepared under the direc
2、tion of the Agricultural Machinery and Implements Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 31 May 1991 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference AGE/6 Draft for comment 87/778
3、38 DC ISBN 0 580 19531 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Agricultural Machinery and Implements Standards Policy Committee (AGE/-) to Technical Committee AGE/6, upon which the following bodies were represented: AFRC Instit
4、ute of Engineering Research Agricultural and Allied Workers National Trade Group Agricultural Engineers Association British Agricultural and Garden Machinery Association Ltd. County Surveyors Society Department of Trade and Industry (Vehicle Division) Forestry Commission Health and Safety Executive
5、Home Timber Merchants Association of Scotland Local Authority Organizations Ministry of Agriculture, Fisheries and Food National Farmers Union Society of Motor Manufacturers and Traders Limited Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon D
6、ec 04 14:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5510:1991 BSI 11-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Maximum design speed calculation1 4Maximum travel speed measurement1 Annex A (normative) Specimen test report
7、 Maximum travel speed measurement2 Publication(s) referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5510:1991 ii BSI 11-1999 National foreword This British Standard has been prepared under the direction of the A
8、gricultural Machinery and Implements Standards Policy Committee. It is identical with ISO 3965:1990 “Agricultural wheeled tractors Maximum speeds Method of determination” prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, of the International Organization
9、 for Standardization (ISO). It is a revision of BS 5510:1977 intended to harmonize methods for the determination of maximum speeds of agricultural wheeled tractors with those of the current International Standard. It supersedes BS 5510:1977, which is withdrawn. A British Standard does not purport to
10、 include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references International StandardCorresponding British Standard ISO 789-1
11、:1981BS 6347 Performance assessment of agricultural tractors Part 1:1983 Methods for determination of available power (Identical) ISO 4251-1:1988BS AU 50 Tyres and wheels Part 1: Section 4 Agricultural tractor and machine tyres Subsection 4.1:1989 Specification for designations and dimensions for ex
12、isting (inch) series tyres (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indic
13、ated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 14:29:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5510:1991 BSI 11-19991 1 Scope This International Standard specifies a method for calculating the maximum design speed and a method for
14、 measuring the maximum travel speed of agricultural wheeled tractors. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All stan
15、dards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO
16、 789-1:1981, Agricultural tractors Test procedures Part 1: Power tests. ISO 4251-1:1988, Tyres and rims (existing series) for agricultural tractors and machines Part 1: Tyre designation and dimensions. 3 Maximum design speed calculation Calculate the maximum design speed from parameters as specified
17、 by the manufacturer, i.e. the rated engine rotational frequency (rated engine speed) (“rated” is defined in ISO 789-1); the transmission gear ratio for the highest (fastest) forward gear; the dynamic radius index, calculated in accordance with ISO 4251-1, of the maximum size drive wheel tyres recom
18、mended by the tractor manufacturer for road use. 4 Maximum travel speed measurement 4.1 Test requirements 4.1.1 Tractor 4.1.1.1 The fuel specified in the operation manual shall be used. 4.1.1.2 The settings for the carburettor and ignition and/or the fuel injection pump the engine power and the no-l
19、oad engine rotational frequency shall be as specified by the manufacturer. 4.1.1.3 Front-wheel drive or any additional (power) driving axle shall only be engaged when recommended by the manufacturer for road use. 4.1.1.4 The tyres shall be of the same stated size as those used to calculate maximum d
20、esign speed (clause 3). The tyres shall be new and inflated to the pressure indicated by the tractor manufacturer for road use. 4.1.1.5 The tractor shall be in working order, with full fuel tanks, radiators and with an operator, but without removable ballast weights, special equipment or loads. 4.1.
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