1、BRITISH STANDARD BS AU 50-1.5.1:1994 Tyres and wheels Part 1: Tyres Section 5: Industrial vehicle tyres Subsection 5.1 Specification for code-designated series tyresBSAU50-1.5.1:1994 This British Standard, having been prepared under thedirectionof the AutomobileStandards PolicyCommittee, waspublishe
2、dunder theauthorityof the StandardsBoardand comesintoeffect on 15 July1994 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference AUE/4 Draft for comment 93/710337 DC ISBN 0 580 22815 0 Committees responsible for this British Standard The preparation of thi
3、s British Standard 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 As
4、sociation British Rubber 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 Associatio
5、n Retread Manufacturers Association Road Haulage Association Ltd. Society of Motor Manufacturers and Traders Ltd. Amendments issued since publication Amd. No. Date CommentsBSAU50-1.5.1:1994 BSI 10-1999 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Normative refere
6、nces 1 3 Definitions 1 4 Industrial vehicle pneumatic tyres 1 5 Industrial vehicle solid tyres 2 Annex A (informative) Examples of designations marked on tyres 19 Table 1 Rating factors for calculating tyre load capacity 3 Table 2 Industrial and lift truck tyres Pneumatic tyres: Rims for normal sect
7、ion sizes diagonal and radial 4 Table 3 Industrial and lift truck tyres Pneumatic tyres: Loads and inflation pressures for normal section sizes 6 Table 4 Industrial and lift truck tyres Pneumatic tyres: Rims for wide section sizes Diagonal and radial for lift trucks and other vehicles up to 50 km/h
8、8 Table 5 Industrial and lift truck tyres Pneumatic tyres: Loads and inflation pressures for wide section sizes 9 Table 6 Industrial and lift truck tyres Pneumatic tyres: Rims for low section sizes Radial for lift trucks and other vehicles up to 50km/h 10 Table 7 Industrial and lift truck tyres Pneu
9、matic tyres: Loads and inflation pressures for low section sizes Radial on 15 tapered drop-centre rims 10 Table 8 Commercial vehicle tyres on lift trucks, sideloaders and straddle carriers: Loads and inflation pressures for sizes mounted on 5 tapered rims Diagonal and radial 11 Table 9 Commercial ve
10、hicle tyres on lift trucks, sideloaders and straddle carriers: Loads and inflation pressures for normal section sizes mounted on 15 drop-centre rims Radial 12 Table 10 Industrial and lift truck tyres Rubber solid tyres: designations and load capacities for band tyres 13 Table 11 Industrial and lift
11、truck tyres Rubber solid tyres: Designations, rims and load capacities for resilient tyres 15 Table 12 Industrial and lift truck tyres High load non-rubber solid tyres: Designations and load capacities 17 List of references Inside back coverBSAU50-1.5.1:1994 ii BSI 10-1999 Foreword This Subsection o
12、f BSAU50 has been prepared under the direction of the Automobile Standards Policy Committee and supersedes BSAU50-1.5d:1977, which is withdrawn. This Subsection brings up to date the requirements contained in Section5d which covered code-designated series tyres only. Requirements for metric series t
13、yres are specified in the other Subsections of Section 5. NOTE 1Certain components in this standard may be the subject of patents. Users of this standard should satisfy themselves that they are not infringing any such patents in manufacturing to this standard. Part 1 of this standard is concerned wi
14、th tyres. Other Parts are: Part 2: Wheels and rims; Part 3: Valves; Part 4: Rim profiles and dimensions. Other Sections of Part 1 are: Section 0c: General; Section 1: Car tyres; Section 2: Commercial vehicle tyres; Section 3: Off-the-road tyres; Section 4: Agricultural tractor and machine tyres; Sec
15、tion 6: Motor cycle tyres; Section 7: Moped tyres; Section 8: Code of practice for the storage of tyres, inner tubes and flaps. NOTE 2Tyres of one size designation may be made in more than one design to suit various service applications. These designs may have differing speed capabilities. The tyre
16、user should ascertain that the particular tyre he intends to employ is suitable for the intended use. 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 Standar
17、d does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 to 22, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporate
18、d. This will be indicated in the amendment table on the inside front cover.BSAU50-1.5.1:1994 BSI 10-1999 1 1 Scope This Subsection of BS AU50-1 specifies sizes, loads, inflation pressures and rims for code-designated series tyres used on industrial vehicles. It is expected that the associated wheel
19、rim contours will be specified in BSAU50-4.5.1. 2 Normative references This Subsection of BS AU 50-1 incorporates, by dated or undated reference, provisions from other publications. These normative references are made at the appropriate places in the text and the cited publications are listed on the
20、 inside back cover. For dated references, only the edition cited applies; any subsequent amendments to, or revisions of, the cited publication apply to this Subsection of BSAU50-1 only when incorporated in the reference by amendment or revision. For undated references, the latest edition of the cite
21、d publication applies, together with any amendments. 3 Definitions For the purposes of this Subsection of BS AU 50-1 the following definitions apply. 3.1 basic pressure the inflation pressure related to the load that would, under optimum conditions, produce the most economical tyre life 3.2 dual spa
22、cing the distance between the centre line of tyres in dual fitment 3.3 permitted rim any rim, in addition to the recommended rim, whose fitment is permitted 3.4 recommended rim the rim(s) that gives the best fitment of the tyre for all conditions and types of service 4 Industrial vehicle pneumatic t
23、yres 4.1 Tyre markings 4.1.1 All tyre markings shall be permanently and legibly marked on both sidewalls in accordance with BSAU50-1.0c:1977. 4.1.2 Each tyre shall be marked with its size using one of the following designations. Additionally the tyre may be marked with its service condition characte
24、ristics. Where these markings are included they shall be set out in the following order: NOTEExamples of the use of these designations are given in Annex A. 4.1.3 For diagonal tyres the construction code shall be “”. For radial tyres the construction code shall be“R”, and/or the word “RADIAL” marked
25、 elsewhere on the tyre. 4.1.4 For industrial and fork lift tyres the speed symbols shall be A5 corresponding to a reference speed of25km/h. For commercial vehicle tyres used in industrial applications the speed symbol shall be in accordance with the reference speeds given in BSAU50-1.2.1. a) Nominal
26、 section width code Construction code Nominal rim diameter code; b) Nominal overall diameter code Section width code; c) Nominal overall diameter code Section width code Construction code Nominal rim diameter code. load index speed symbol ply ratingBSAU50-1.5.1:1994 2 BSI 10-1999 4.2 Load capacities
27、 and inflation pressures 4.2.1 The reference loads specified inTable 3, Table 5, andTable 7 shall correspond with the reference speed of25km/h. Maximum tyre load capacities shall be calculated for other speeds in accordance with Table 1. The calculated loads shall be rounded up to the nearest5kg. 4.
28、2.2 The inflation pressures specified inTable 3, Table 5, Table 7, Table 8andTable 9 shall be the basic pressure relating to the specified reference loads or load capacities. NOTEThe pressures used in practice on the vehicles may be fixed by agreement between the tyre manufacturer, the vehicle manuf
29、acturer and/or the user. They should take into account, in addition to the load, the operating conditions, the stability requirements and the mechanical characteristics of the vehicles. 4.3 Normal section tyres Normal section tyres shall be in accordance withTable 2 andTable 3. 4.4 Wide section tyre
30、s Wide section tyres shall be in accordance withTable 4 andTable 5. 4.5 Low section tyres Low section tyres shall be in accordance withTable 6 andTable 7. 4.6 Commercial vehicle tyres Commercial vehicle tyres, when used on lift trucks, sideloaders or straddle carriers, shall be in accordance withTab
31、le 8 orTable 9. 5 Industrial vehicle solid tyres 5.1 Tyre markings 5.1.1 General All tyre markings shall be permanently and legibly marked on both sidewalls in accordance with BSAU50-1.0c:1977. 5.1.2 Band tyres Each tyre shall be marked with its tyre size using the following designation: Overall dia
32、meter Tyre width Internal diameter of tyre band The tyre designation shall correspond to the design dimensions of the tyre and shall be marked in inches. NOTEIt may additionally be marked in millimetres. An example is given inAnnex A. While the tables for the millimetric design dimensions may show w
33、heel (rim) diameter to one decimal place, the tyre size designation marking shall be rounded off to the nearest millimetre. 5.1.3 Resilient tyres (i.e.solid tyres for use on pneumatic rims) Each tyre shall be marked with its tyre size using one of the following designations. Nominal section width co
34、de Nominal rim diameter code/Nominal rim width code SOLID Nominal overall diameter code Nominal section width code/Nominal rim width code SOLID Nom. overall dia. code Nom. section width code Nom. rim dia./Nom. rim width code SOLID NOTE 1Examples of how these designations should appear are given inAn
35、nex A. NOTE 2The designations for resilient tyres are identical with those for pneumatic tyres with the addition of the nominal rim width code and the word “SOLID”. 5.2 Dimensions and tolerances 5.2.1 Band tyres 5.2.1.1 Dimensions The tyre dimensions specified inTable 10 andTable 12 shall be the des
36、ign dimensions of the tyre.BSAU50-1.5.1:1994 BSI 10-1999 3 5.2.1.2 Tolerances Tolerances on dimensions shall be as follows: a) the tolerance for overall diameter shall be 1.5% of the specified design diameter; b) the maximum overall tyre section width may not exceed the specified design tyre section
37、 width by more than4%; c) the tolerance on the wheel (rim) diameter shall bemm for millimetric tyre size designation; andin for code tyre size designation. 5.2.2 Resilient tyres Dimensions and tolerances of resilient tyres shall be as specified inTable 11. 5.3 Rubber solid tyres Rubber solid tyres s
38、hall be in accordance withTable 10 andTable 11. 5.4 High load, non-rubber solid tyres High load, non-rubber solid tyres shall be in accordance withTable 12. Table 1 Rating factors for calculating tyre load capacity Application Maximum tyre load capacity (% of reference load) Counterbalanced lift tru
39、cks Up to 25 km/h load wheel 130 steering wheel 100 Up to 35 km/h load wheel 125 steering wheel 92.5 Side-loaders Static 151 25 km/h 100 35 km/h 92.5 Other vehicles 10 km/h 130 25 km/h 100 40 km/h 89 50 km/h 84 NOTEThe factors apply for both single and dual fitments. + 0.13 0 + 0.005 0BSAU50-1.5.1:1
40、994 4 BSI 10-1999 Table 2 Industrial and lift truck tyres Pneumatic tyres: Rims for normal section sizes Diagonal and radial Tyre size Recommended rims Permitted rims Recommended minimum dual spacings (mm) Diagonal Radial Diagonal Radial Lift trucks and other vehicles Up to 35 km/h Other vehicles 40
41、 km/h and 50 km/h 3.00 4 2.10 98 94 4.00 4 2.50 C 128 124 4.00 8 2.50 C a 128 124 4.00 8 3.00 D 134 130 4.00 8 3 I b 144 138 5.00 8 3.00 D 158 152 5.00 8 3: I b 162 156 6.00 9 4.00 E 192 184 6.50 10 5.00 F 212 204 6.50 10 5.50 F 218 210 7.00 12 5.00 S 230 222 7.00 15 5.0 230 222 7.00 15 5.5 236 228
42、7.00 15 4.33 R 7.50 10 5.50 F 248 238 7.50 10 5.00 F c 7.50 15 6.0 254 244 7.50 15 6.5, B 6.5 260 250 7.50 15 6.00 S 254 244 7.50 15 5.5 8.25 15 6.5, B 6.5 280 270 8.25 14 7.0 286 276 8.25 15 6.0 d 9.00 R 20 e 6.5 B 6.5 304 289 9.00 R 20 e 7.0 B 7.0 310 297 10.00 15 7.5 330 316 10.00 R 20 e 7.0 B 7.
43、0 324 311 10.00 R 20 e 7.5 B 7.5 330 316 11.00 R 20 e 7.5 B 7.5 337 323 11.00 R 20 e 8.0 B 8.0 343 329 12.00 R 20 e 8.0 B 8.0 370 354 12.00 R 20 e 8.5 B 8.5 376 360BSAU50-1.5.1:1994 BSI 10-1999 5 Table 2 Industrial and lift truck tyres Pneumatic tyres: Rims for normal section sizes Diagonal and radi
44、al Tyre size Recommended rims Permitted rims Recommended minimum dual spacings (mm) Diagonal Radial Diagonal Radial Lift trucks and other vehicles Up to 35 km/h Other vehicles 40 km/h and 50 km/h 21 4 3.11 F 146 140 22 4; 3.11 F 158 152 23 5 3.75 P 186 178 25 6 3.75 P 204 196 NOTE 1For radial tyres,
45、 replace the dash () in the size designation with “R”, and/or mark the word “RADIAL” elsewhere on the tyre. NOTE 2The recommended tyre/rim fitments given are preferred for use in future vehicle designs. NOTE 3The recommended minimum dual spacings apply to normal service and the manufacturer should b
46、e consulted for special applications. For example additional spacing will be required if chains are used. NOTE 4Consult the tyre, rim and wheel manufacturers to determine whether any particular tyre/rim combination is suitable, and that the rim and wheel are of sufficient strength for the intended s
47、ervice. a 2.50 C rims are only recommended for 4.00 8 tyres up to 6 PR. b 3: I and 3 I rims may also be marked 3.25I and 3.75I respectively. c 5.00 F rims are only permitted for 7.50 10 tyres up to 12 PR. d 6.00 rims are only permitted for 8.25 15 tyres up to 16 PR. e These size designations apply o
48、nly to radial tyres.BSAU50-1.5.1:1994 6 BSI 10-1999 Table 3 Industrial and lift truck tyres Pneumatic tyres: Loads and inflation pressures for normal section sizes (a) Radial on 5 tapered or flat base rims Tyre size designation Measuring rim width code Tyre dimensions (mm) Reference load (kg) Inflation pressure (bar) 15 % Design Maximum in service Tyre size Service conditions Section width Overall diameter Overall width Overall diameter Ply rating Load index Normal road service Special service Sizes wi
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