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1、 Reference number ISO 5751-3:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 5751-3 Fifth edition 2004-11-15 Motorcycle tyres and rims (metric series) Part 3: Range of approved rim contours Pneumatiques et jantes pour motocycles (sries millimtriques) Partie 3: Gamme des profils de jante homologus Copyri
2、ght International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) PDF disclaimer This PDF file may c
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4、ibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
5、parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use 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. ISO 2004 All rights reserved. Unless oth
6、erwise specified, no part of this publication may be reproduced or utilized in 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 copyrig
7、ht office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Tech
8、nical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) ISO 2004 All rights reserved iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national stand
9、ards 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 technical committee has been established has the right to be represented on that committee. International orga
10、nizations, 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 of electrotechnical standardization. International Standards are drafted in accordance with the rules given
11、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 to the member bodies for voting. Publication as an International Standard requires approval by at least 75
12、% 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 for identifying any or all such patent rights. ISO 5751-3 was prepared by Technical Committee ISO/TC 31, Tyre
13、s, rims and valves, Subcommittee SC 10, Cycle, moped, motorcycle tyres and rims. This fifth edition cancels and replaces the fourth edition (ISO 5751-3:1999), which has been technically revised. It also incorporates the Amendment ISO 5751-3:1999/Amd 1:2002. ISO 5751 consists of the following parts,
14、under the general title Motorcycle tyres and rims (metric series): Part 1: Design guides Part 2: Tyre dimensions and load-carrying capacities Part 3: Range of approved rim contours Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical
15、 Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2
16、007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 5751-3:2004(E) ISO 2004 All rights reserved 1 Motorcycle tyres and rims (metric series) Part 3: Range of approved rim contours 1 Scope This part of ISO 5751 specifies the approved rim co
17、ntours for motorcycle rims on which metric-series motorcycle tyres are mounted. NOTE See ISO 4249 for motorcycle tyres and rims (code-designated series) of rim diameter codes 13 and above, and ISO 6054 for those of codes 12 and below. 2 Normative references The following referenced documents are ind
18、ispensable for the application 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 4249-3, Motorcycle tyres and rims (code-designated series) Part 3: Rims ISO 5751-2, Mot
19、orcycle tyres and rims (metric series) Part 2: Tyre dimensions and load-carrying capacities ISO 6054-2:1990, Motorcycle tyres and rims (Code-designated series) Diameter codes 4 to 12 Part 2: Rims 3 Approved rim contours See Tables 1 and 2 for the range of permitted rims and approved rim contour code
20、s, and for the coefficients and tyre nominal section widths used to calculate minimum and maximum rim widths. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo repro
21、duction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) 2 ISO 2004 All rights reserved Table 1 Coefficients for approved rims Series Tyre construction Coefficient, minimum, Rmin maximum, Rmax Diagonal and bias-belted 0,50 0,70 100 to 80 Radial 0,60 0,70 Diagonal and bias-be
22、lted 0,60 0,80 70 to 60 Radial 0,70 0,80 55 and 50 Diagonal and radial 0,75 0,85 45 and 40 Radial 0,85 0,95 Minimum rim width = Nmin SR Maximum rim width = Nmax SR where N S is the tyre nominal section width (see Table 2). Calculated values shall be rounded to the nearest standardized rim widths as
23、specified in ISO 4249-3. The dimensions of rim contours, diameter details and complete marking of rims of nominal rim diameter shall be in accordance with ISO 4249-3 for codes 13 and above, and ISO 6054-2 for codes 12 and below. The recommended rims correspond to the measuring rim widths (Rm) specif
24、ied in ISO 5751-2. The design new tyre section width, S, and the maximum overall width in service, Wmax, specified in ISO 5751-2 will change 1 mm for each 0.1 code (2,5 mm) change in rim width from the recommended (measuring) rim width. Copyright International Organization for Standardization Provid
25、ed by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) ISO 2004 All rights reserved 3 Table 2 Approved rim contours Tyre nominal section width N S
26、 Approved rims a, b, c 40 and 45 series 240 250 MT8.00; MT8.50; MT9.00 MT8.50; MT9.00; MT9.50 55 and 50 series 130 140 150 160 170 180 190 200 210 240 MT3.75; MT4.00 MT4.00; MT4.25; MT4.50 MT4.50; MT5.00 MT4.50; MT5.00 MT5.00; MT5.50 MT5.50; MT6.00 MT5.50; MT6.00 MT6.00; MT6.25; MT6.50 MT6.25; MT6.5
27、0; MT7.00 MT7.00; MT7.50; MT8.00 60, 65 and 70 series 80 100 110 120 130 140 150 160 170 180 200 210 230 (MT1.85); (1.85); 2.15; MT2.15; 2.50; MT2.50 (2.50); (MT2.50); 2.75; MT2.75; MT3.00 (2.50); (MT2.50); (2.75); (MT2.75); MT3.00; MT3.50 (2.75); (MT2.75); (MT3.00); MT3.50; MT3.75 (MT3.00); MT3.50;
28、 MT3.75; MT4.00 (MT3.50); MT3.75; MT4.00; MT4.25; MT4.50 (MT3.50); (MT3.75); MT4.00; MT4.25; MT4.50 (MT3.75); (MT4.00); MT4.25; MT4.50; MT5.00 (MT4.00); MT4.25; MT4.50; MT5.00; MT5.50 (MT4.25); (MT4.50); MT5.00; MT5.50 (MT4.75); (MT5.00); MT5.50; MT6.00; MT6.25 (MT5.00); (MT5.50); MT6.00; MT6.25; MT
29、6.50 (MT5.50); (MT6.00); MT6.25; MT6.50; MT7.00 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,-
30、 ISO 5751-3:2004(E) 4 ISO 2004 All rights reserved Table 2 (Continued) Tyre nominal section width Approved rims a, b, c 80, 90 and 100 series 60 70 80 90 100 110 120 130 d 140 d 150 d 160 170 (1.20); 1.40; 1.50; MT1.50; 1.60; MT1.60 (1.40); (1.50); (MT1.50); 1.60; MT1.60; 1.85; MT1.85 (1.60); (MT1.6
31、0); 1.85; 2.15; MT1.85; MT2.15 (1.85); 2.15; 2.50; (MT1.85); MT2.15; MT2.50 (2.15); 2.50; 2.75; (MT2.15); MT2.50; MT2.75 (2.15); 2.50; 2.75; 3.00; (MT2.15); MT2.50; MT2.75; MT3.00 (2.50); 2.75; 3.00; (MT2.50); MT2.75; MT3.00 (2.50); (2.75); (MT2.50); (MT2.75); 3.00; MT3.00; MT3.50 (2.75); (MT2.75);
32、(3.00); (MT3.00); MT3.50; MT3.75 (3.00); (MT3.00); MT3.50; MT3.75; MT4.00; MT4.25 (MT3.50); MT3.75; MT4.00; MT4.25; MT4.50 (MT3.50); (MT3.75); MT4.00; MT4.25; MT4.50 a Recommended rims are the measuring rims. b Care should be taken, especially when both or either tyres or rims are not marked with su
33、ffix M/C, not to fit motorcycle tyres to rims designed for tyres for other types of service (e.g. passenger car or agricultural tyres). Cylindrical bead seat rims are for tube-type tyres only. c Rims within parentheses are permitted for diagonal-ply and bias-belted tyres only. d For tyre sizes 130/9
34、0-16, 140/90-16 and 150/80-16, a 3.00D rim with a specified rim diameter of 405,6 mm 0,4 mm and with humps is permitted (see ISO 6054-2 for contour dimensions). Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545
35、001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) ISO 2004 All rights reserved 5 Bibliography 1 ISO 4249-1:1985, Motorcycle tyres and rims (Code designated series) Part 1: Tyres 2 ISO 4249-2:1990, Motorcycle tyres and
36、 rims (Code-designated series) Part 2: Tyre load ratings 3 ISO 6054-1:1994, Motorcycle tyres and rims (code-designated series) Diameter codes 4 to 12 Part 1: Tyres Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972
37、545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 5751-3:2004(E) ICS 43.140; 83.160.10 Price based on 5 pages ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/24/2007 19:58:17 MDTNo reproduction or networking permitted without license from IHS -,-,-