BS-AU-50-1.5.2-1994 ISO-3739-1-1992.pdf
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1、BRITISH STANDARD BS AU 50-1.5.2:1994 ISO 3739-1: 1992 Tyres and wheels Part 1: Tyres Section 5: Industrial vehicle tyres Subsection 5.2 Specification for pneumatic tyres (metric series) on 5 tapered or flat base rims: Designation, dimensions and marking Licensed Copy: London South Bank University, L
2、ondon South Bank University, Sat Dec 09 03:40:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1.5.2:1994 This British Standard, having been prepared under the direction of the Automobile Standards Policy Committee, was published under the authority of the Standards Board and comes into effect
3、 on 15 February 1994 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference AUE/4 Draft for comment 90/77637 DC ISBN 0 580 22803 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Automobile Stan
4、dards Policy Committee (AUE/-) to Technical Committee AUE/4, upon which the following bodies were represented: Agricultural Engineers Association Automobile Association British Industrial Truck Association British Pressure Gauge Manufacturers Association British Rubber Manufacturers Association Bus
5、and Coach Council Department of Transport Freight Transport Association Institute of Road Transport Engineers (Inc) Motor Cycle Industrys Association of Great Britain Ltd. Motor Industry Research Association National Tyre Distributors Association Retread Manufacturers Association Road Haulage Associ
6、ation Ltd. Society of Motor Manufacturers and Traders Ltd. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:40:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1.5.2:1994 BSI 10-1999i Contents Page
7、 Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Definitions1 4Tyre designations1 5Marking3 6Tyre dimensions3 7Design tyre dimensions4 8Tyre size combinations4 9Method of measurement of tyre dimensions4 Table 1 Nominal rim diameter code1 Table 2 Correlati
8、on between load index (LI) and tyre load-carrying capacity (TLCC)2 Table 3 Correlation between speed symbol and speed category3 Table 4 Coefficients for calculation of maximum overall tyre dimensions in service4 Table 5 Tyre dimensional guidelines4 Table 6 Recommended combinations of nominal section
9、 widths and rim diameters5 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:40:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1.5.2:1994 ii BSI 10-1999 National foreword This Subsection of this Part of BS AU 50 has b
10、een prepared under the direction of the Automobile Standards Policy Committee and is identical with ISO 3739-1:1992 Industrial tyres and rims Part 1: Pneumatic tyres (metric series) on 5 tapered or flat base rims Designation, dimensions and marking, published by the International Organization for St
11、andardization (ISO). Other Parts of this standard are: Part 2: Wheels and rims; Part 3: Valves; Part 4: Rim profiles and dimensions. The Technical Committee has reviewed the provisions of ISO 3877-1 and ISO 4223-1 to which normative reference is made in the text and has decided that they are accepta
12、ble for use in conjunction with this standard. A British Standard does not purport to 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 obligat
13、ions. Cross-references International StandardCorresponding British Standard ISO 31-0:1981BS 5775 Specification for quantities, units and symbols Part 0:1982 General principles Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 6, an inside back
14、cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:40:05 GMT+00:00 2006
15、, Uncontrolled Copy, (c) BSI BS AU 50-1.5.2:1994 BSI 10-19991 1 Scope This part of ISO 3739 specifies the main requirements, including designations, dimensions and markings of the metric series of pneumatic tyres primarily intended for industrial vehicles for use on prepared surfaces. The tyres are
16、based on the following parameters: a) speeds not exceeding 50 km/h; b) use on 5 tapered or flat base rims; c) rim diameters not exceeding rim diameter code of 15. NOTE 1The extension of the range of this nominal rim diameter code may be considered. ISO 3739-2 deals with load ratings; ISO 3739-3 deal
17、s with rim contours for these tyres. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 3739. At the time of publication, the editions indicated were valid. All standards are subject to revision, and part
18、ies to agreements based on this part of ISO 3739 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 31-0:1981, General principles concerning qua
19、ntities, units and symbols. ISO 3877-1:1978, Tyres, valves and tubes List of equivalent terms Part 1: Tyres. ISO 4223-1:1989, Definitions of some terms used in the tyre industry Part 1: Pneumatic tyres. 3 Definitions For definitions of terms relating to tyres, see ISO 4223-1; equivalent terms are gi
20、ven in ISO 3877-1. 4 Tyre designations 4.1 Dimensional and constructional characteristics The characteristics shall be indicated as follows: 4.1.1 Nominal section width The nominal section width of the tyre shall be indicated in millimetres, ending either in 0 or 5. 4.1.2 Nominal aspect ratio The no
21、minal aspect ratio shall be expressed as a percentage and shall be a multiple of 5. 4.1.3 Tyre construction code The tyre construction code shall be as follows: 4.1.4 Nominal rim diameter code For tyres mounted on existing rims, the code shall be as given in Table 1. Table 1 Nominal rim diameter cod
22、e 4.2 Service condition characteristics The service condition characteristics or service description shall be indicated as follows: 4.2.1 Load index The load index is a numerical code associated with a maximum load a tyre can carry at the speed indicated by its speed symbol under service conditions
23、specified by the tyre manufacturer. The correlation between load indices and tyre load-carrying capacities shall be as given in Table 2. 4.2.2 Speed symbol The speed symbol shall be as given in Table 3. The speed symbol or speed category indicates the reference speed defined as the speed at which th
24、e tyre can carry the load corresponding to its load index under the specified service conditions. The reference speed for tyre load identification of industrial tyres shall be 25 km/h, i.e. speed symbol A5. D or “” (a dash) for diagonal construction; R for radial ply construction. Nominal rim diamet
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