BS-AU-50-1.4.1A-1993 ISO-4251-1-1992.pdf
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1、BRITISH STANDARD BS AU 50-1.4.1a:1993 ISO 4251-1: 1992 (Superseding BS AU 50-1.4.1:1989) Tyres and wheels Part 1: Tyres Section 4: Agricultural tractor and machine tyres Subsection 4.1a: Specification for designations and dimensions for ply rating marked series tyres UDC 629.11.012.55:631.3 Licensed
2、 Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1.4.1a:1993 This British Standard, having been prepared under the direction of the Automobile Standards Policy Committee, was published under the authority of th
3、e Standards Board and comes into effect on 15 April 1993 BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference AUE/4 Draft for comment 89/80263 DC ISBN 0 580 22109 1 Committees responsible for this British Standard The preparation of this British Standard
4、was entrusted by the Automobile Standards 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 R
5、ubber Manufacturers Association Bus 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 Manufactu
6、rers Association Road Haulage Association 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 02:07:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1
7、.4.1a:1993 BSI 12-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative reference1 3Definitions1 4Marking1 5Dimensions and tolerances1 6Dynamic radius indices2 7Tubes2 Annex A (informative) Tyres on nominal rim diameter codes 15.3 and 16.19 Table 1 Agric
8、ultural drive wheels Tractor tyres (diagonal construction normal section height) Standard sizes, measurement rims, and dimensions3 Table 2 Agricultural drive wheels Tractor tyres (radial construction normal section height) Standard sizes, measurement rims, and dimensions4 Table 3 Agricultural drive
9、wheels Tractor tyres (diagonal construction low section height) Standard sizes, measurement rims, and dimensions5 Table 4 Agricultural drive wheels Tractor tyres (radial construction low section height) Standard sizes, measurement rims, and dimensions5 Table 5 Agricultural drive wheels Tractor tyres
10、 for special cultivation work (diagonal construction) Standard sizes, measurement rims, and dimensions5 Table 6 Agricultural drive wheels Tractor tyres for special cultivation work (radial construction) Standard sizes, measurement rims, and dimensions5 Table 7 Agricultural steering wheels Tractor ty
11、res (diagonal construction normal section height) Standard sizes, measurement rims, and dimensions6 Table 8 Agricultural steering wheels Tractor tyres (diagonal construction low section height) Standard sizes, measurement rims, and dimensions6 Table 9 Dynamic radius indices for calculation of the fo
12、rward ground speed (Tyres of diagonal and radial construction)7 Table 10 Agricultural implement tyres (diagonal construction normal section height) Standard sizes, measurement rims, and dimensions8 Table 11 Agricultural implement tyres (diagonal construction low section height) Standard sizes, measu
13、rement rims and dimensions8 Table A.1 Agricultural steering wheels Tractor tyres (diagonal construction low section height) Standard sizes, measurement rims, and dimensions9 Table A.2 Agricultural implement tyres (diagonal construction normal section height) Standard sizes, measurement rims, and dim
14、ensions9 Table A.3 Agricultural implement tyres (diagonal construction low section height) Standard sizes, measurement rims and dimensions9 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:07:10 GMT+00:00 2006, Uncontrolled
15、Copy, (c) BSI BS AU 50-1.4.1a:1993 ii BSI 12-1999 National foreword This Subsection of this Part of BS AU 50, prepared under the direction of the Automobile Standards Policy Committee, is identical with ISO 4251-1:1992 Tyres (ply rating marked series) and rims for agricultural tractors and machines
16、Part 1: Tyre designation and dimensions, published by the International Organization for Standardization (ISO). This edition supersedes BS AU 50-1.4.1:1989, which is withdrawn. BS AU 50 is published in four Parts: Part 1: Tyres; Part 2: Wheels and rims; Part 3: Valves; Part 4: Rim profiles and dimen
17、sions. ISO 4251 covers requirements for tyres (ply rating marked series) and rims for agricultural tractors and machines. Other Parts of ISO 4251 have been implemented as British Standards as Subsections of BS AU 50 as follows: Cross-references. The Technical Committee has reviewed the provisions of
18、 ISO 4223-1 to which normative reference is made in the text, and has decided that they are acceptable 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 ap
19、plication. Compliance with a British Standard does not of itself confer immunity from legal obligations. ISO 4251BS AU 50 Part 2: Tyre load ratingsPart 1.4.2 Part 3: RimsPart 4.4.1 Part 4: Tyre classification and nomenclaturePart 1.4.3 Part 5: Log skidder tyresPart 1.4.4 Summary of pages This docume
20、nt comprises a front cover, an inside front cover, pages i and ii, pages 1 to 10, 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 indicated in the amendment table on the inside front cover. Licensed Cop
21、y: London South Bank University, London South Bank University, Sat Dec 09 02:07:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 50-1.4.1a:1993 BSI 12-19991 1 Scope This part of ISO 4251 establishes the designation in use and the dimensions of the ply rating marked series of tyres for agricultura
22、l tractors and machines. Tyre load ratings, rim dimensions, and tyre classification and nomenclature are given in ISO 4251-2, ISO 4251-3 and ISO 4251-4 respectively. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this
23、part of ISO 4251. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this part of ISO 4251 are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of
24、 IEC and ISO maintain registers of currently valid International Standards. ISO 4223-1:1989, Definitions of some terms used in the tyre industry Part 1: Pneumatic tyres. 3 Definitions For the purposes of this part of ISO 4251, the definitions given in ISO 4223-1 apply. 4 Marking The marking of the p
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