1、BSI Standards PublicationBS ISO 3006:2015Road vehicles Passenger carwheels for road use TestmethodsBS ISO 3006:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 3006:2015.The UK participation in its preparation was entrusted to TechnicalCommittee AUE/4, Tyre
2、s and wheels for motor vehicles.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution
3、 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 85560 3ICS 43.040.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2015.Amendments issued sinc
4、e publicationDate Text affectedBS ISO 3006:2015 ISO 2015Road vehicles Passenger car wheels for road use Test methodsVhicules routiers Roues pour voitures particulires pour utilisation sur routes Mthodes dessaiINTERNATIONAL STANDARDISO3006Fifth edition2015-06-15Reference numberISO 3006:2015(E)BS ISO
5、3006:2015ISO 3006:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including
6、 photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41
7、22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 3006:2015ISO 3006:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 General requirement 25 Dynamic cornering fatigue test . 25.1 Equipment . 25.2 Procedure 25.2.1 Preparation . 25.2.2 Bend
8、ing moment application 25.3 Bending moment determination . 35.4 Test termination 36 Dynamic radial fatigue test 56.1 Equipment . 56.2 Procedure 66.3 Radial load determination 66.4 Test termination 7Annex A (informative) Recommended test factors and test cycles . 8 ISO 2015 All rights reserved iiiCon
9、tents PageBS ISO 3006:2015ISO 3006:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member b
10、ody interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electro
11、technical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of I
12、SO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).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 re
13、sponsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information giv
14、en for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the followin
15、g URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 22, Road vehicles, Subcommittee SC 33, Vehicle dynamics and chassis components.This fifth edition cancels and replaces the fourth edition (ISO 3006:2005), which has been technically revised.iv ISO 2015 A
16、ll rights reservedBS ISO 3006:2015ISO 3006:2015(E)IntroductionThis International Standard was developed in response to requests to establish uniform test methods to evaluate certain fatigue strength characteristics of wheels used on passenger cars. The standardization of test methods allows manufact
17、urers of vehicles and/or wheels to evaluate their products in a uniform manner. By using these methods, wheels from different parts of the world can be compared and evaluated for use. ISO 2015 All rights reserved vBS ISO 3006:2015BS ISO 3006:2015Road vehicles Passenger car wheels for road use Test m
18、ethods1 ScopeThis International Standard specifies two laboratory methods for testing certain essential fatigue strength characteristics of wheels intended for road use on passenger cars as defined in ISO 3833.The test methods area) dynamic cornering fatigue test;b) dynamic radial fatigue test.2 Nor
19、mative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)
20、 applies.ISO 3833, Road vehicles Types Terms and definitionsISO 3911, Wheels and rims for pneumatic tyres Vocabulary, designation and marking3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 3911 and the following apply.3.1hub bolt (fasteners)bolt that
21、is attached to the hub before mounting the wheel3.2wheel nut (fasteners)nut for fastening the wheel as a set with the hub bolts (fasteners) (3.1)3.3wheel boltbolt for fastening the wheels as a set into a threaded hole in the hub3.4load ratingvalue obtained by converting the force to mass which can b
22、e loaded under defined conditions to the tires which can be applied to the test wheel3.5maximum vertical static loadmaximum value of the vertical load acting on the tyresNote 1 to entry: It is specified by the wheel manufacturer or vehicle manufacturer and it derives from the specification of a vehi
23、cle which is intended to use the test wheel.INTERNATIONAL STANDARD ISO 3006:2015(E) ISO 2015 All rights reserved 1BS ISO 3006:2015ISO 3006:2015(E)3.6crackmaterial separation with a propagation of more than 10 mm occurring during a testNote 1 to entry: The inspection by method for liquid penetrant th
24、at are defined in ISO 3452-1.4 General requirementOnly fully processed new wheels which are equivalent of wheels intended for the vehicle shall be used for the tests.5 Dynamic cornering fatigue test5.1 EquipmentThe test machine shall have a driven rotatable device where either the wheel rotates unde
25、r the influence of a stationary bending moment (see Figure 1) or the wheel is stationary and is subjected to a rotating bending moment (see Figure 2).5.2 Procedure5.2.1 PreparationClamp the rim of the wheel securely to the test fixture. The adaptor face of the test machine shall have equivalent whee
26、l mounting systems to those used on the vehicle. The mating surfaces of the test adaptor and wheel shall be free of excessive scoring and deformation, and excessive build-up of paint, dirt, or foreign matter.Attach the load arm and adaptor assembly to the mounting surface of the wheel using hub bolt
27、s and wheel nuts or wheel bolts which are as follows: equivalent to those used in a vehicle; in good condition; lubricated or non-lubricated in accordance with the state of being applied to a vehicle (as specified by the vehicle manufacturer).Tighten these wheel nuts or wheel bolts at the beginning
28、of the test to the vehicle or wheel manufacturers specified torque values.In the early stages of the test, to improve the adaptability of the nut contact surface of the wheel and the wheel nut or wheel bolt, the wheel nut or wheel bolt can be re-tightened once.5.2.2 Bending moment applicationTo impa
29、rt a bending moment to the wheel, apply a force, F, parallel to the plane of the wheel mounting surface.Maintain the bending moment within 2,5 % of the calculated value.2 ISO 2015 All rights reservedBS ISO 3006:2015ISO 3006:2015(E)5.3 Bending moment determinationDetermine the bending moment M (force
30、 F moment arm l), in newton metres, using Formula (1):MRdFS=+()v(1)where is the assumed coefficient of friction developed between tyre and road (see Table A.1);R is the radius, in metres, of either of the following: the largest value of the static loaded radius of the tyres which can be applied to t
31、he wheel; the largest value of the static loaded radius of the tyres which is specified by the wheel or the vehicle manufacturer;d is the inset or outset (positive for inset; negative for outset) of the wheel, in metres (see ISO 3911);Fvis the value, in Newtons, of either of the following: the large
32、st value of the load rating of the tires which can be applied to the wheel; the maximum vertical static load which is specified by the wheel or the vehicle manufacturer;S is the accelerated test factor (see Table A.1).5.4 Test terminationThe test shall be terminated in either of the two following ci
33、rcumstances: inability of wheel to sustain load; propagation of a crack or cracks existing prior to test or new visible stress-caused cracks penetrating through a section of the wheel. ISO 2015 All rights reserved 3BS ISO 3006:2015ISO 3006:2015(E)a) Bottom clamping method b) Top clamping methodKey1
34、pivot point2 loading arm3 wheel4 fastener5 rim centre plane6 rotary disc7 adaptor8 wheel nuts or wheel boltsaLoad, F.bMoment arm, l (0,5 m to 1,4 m).cInset, d.Figure 1 Example of dynamic cornering fatigue test fixture the wheel rotates under the influence of a stationary bending moment4 ISO 2015 All
35、 rights reservedBS ISO 3006:2015ISO 3006:2015(E)a) Bottom clamping method b) Top clamping methodKey1 pivot point2 loading arm3 wheel4 fastener5 rim centre plane6 fixing base7 adaptor8 wheel nuts or wheel boltsaLoad, F.bMoment arm, l (0,5 m to 1,4 m).cInset, d.Figure 2 Example of dynamic cornering fa
36、tigue test rotating bending moment6 Dynamic radial fatigue test6.1 EquipmentThe test machine shall be equipped with a means of imparting a constant radial load as the wheel rotates. There are many means of imparting radial loads: the suggested equipment incorporates a driven rotatable drum which pre
37、sents a smooth surface wider than the loaded test tyre section width. The recommended minimum external diameter of the drum is 1 700 mm.The test wheel and tyre fixture shall provide loading normal to the drum external surface and in line radially with the centre of the test wheel and the drum. The a
38、xes of the drum and test wheel shall be parallel (see Figure 3). For dual application wheel, it shall be tested as a single application wheel. ISO 2015 All rights reserved 5BS ISO 3006:2015ISO 3006:2015(E)The mating surfaces of the test adaptor and wheel shall be free of excessive scoring and deform
39、ation, and excessive build-up of paint, dirt, or foreign matter.6.2 ProcedureTyres used in this test shall meet the following: tyre which have load rating of maximum value in the tyres which are applied to the test wheel; tyre which is specified by the wheel or vehicle manufacturer. Select the tyre
40、of maximum load rating if there is more than one tyre which is specified by the vehicle or wheel manufacturer.Adapter for testing shall be equivalent of the hub the mass production.Hub bolt and wheel nuts or wheel bolt shall be used as follows: equivalent to those used in a vehicle; in good conditio
41、n; lubricated or non-lubricated in accordance with the state being applied to a vehicle (as specified by the vehicle manufacturer).Tighten these wheel nuts or wheel bots at the beginning of the test to the vehicle or wheel manufacturers specified torque values.The cold inflation pressure of the test
42、 tyre shall be in accordance with the values in Table 1.Table 1 Test inflation pressuresUnit kPaTyre pressure at usage loadTest pressureup to 160 280161 to 280 450281 to 450 550a)100 kPa = 1 bar.There will be an increase in pressure during the test. This increase is normal and no adjustment is neces
43、sary. The loading system shall maintain the specified load within 2,5 % of the calculated value.6.3 Radial load determinationDetermine the radial load, Fr, in Newtons, using Formula (2):FFKrv= (2)whereFvis the value, in Newtons, of either of the following: the largest value of the load rating of the
44、 tires which can be applied to the wheel; the maximum vertical static load which is specified by the wheel or the vehicle manufacturer;K is the accelerated test factor (Table A.2).6 ISO 2015 All rights reservedBS ISO 3006:2015ISO 3006:2015(E)6.4 Test terminationThe test shall be terminated in either
45、 of the two following circumstances: inability of the wheel to sustain the load or tyre pressure; propagation of a crack or cracks existing prior to test or new visible stress-caused cracks penetrating through a section of the wheel.Key1 driven drum2 tyre3 wheelaRadial load, Fr.Figure 3 Example of d
46、ynamic radial fatigue test fixture ISO 2015 All rights reserved 7BS ISO 3006:2015ISO 3006:2015(E)Annex A (informative) Recommended test factors and test cyclesAccelerated test factors and cycle life requirements shall be determined by the vehicle or wheel manufacturer based on vehicle application an
47、d expected severity of usage. To permit uniform application of the test methods specified, one or more of the accelerated test factors shown in Table A.1 or A.2 are recommended when conducting tests.Table A.1 Test factors for dynamic cornering fatigue testMaterialAccelerated test factorSMinimum cycl
48、esX1000Coefficient of friction1,60 18 1,50 22 Steel 1,45 24 1,33 30 0,72,00 50 1,63 80 Aluminium 1,50 100 1,35 250 Table A.2 Test factors for dynamic radial fatigue testMaterialAccelerated test factoraKMinimum test cyclesX10002,25 400Steel 2,20 5002,00 7001,80 10002,8 150Aluminium 2,5 3002,25 5002,0
49、0 800aUse load factor to achieve adequate Tyre life to run the test.8 ISO 2015 All rights reservedBS ISO 3006:2015BS ISO 3006:2015ISO 3006:2015(E) ISO 2015 All rights reservedICS 43.040.50Price based on 8 pagesThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are
