1、BS ISO 8710:2010 ICS 43.140 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Motorcycles Brakes and brake systems Tests and measurement methodsThis British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2010.
2、 BSI 2010 ISBN 978 0 580 59317 8 Amendments/corrigenda issued since publication Date Comments BS ISO 8710:2010 National foreword This British Standard is the UK implementation of ISO 8710:2010. The UK participation in its preparation was entrusted to Technical Committee AUE/14, Motor cycles and mope
3、ds. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity
4、 from legal obligations.BS ISO 8710:2010Reference number ISO 8710:2010(E) ISO 2010INTERNATIONAL STANDARD ISO 8710 Second edition 2010-04-15 Motorcycles Brakes and brake systems Tests and measurement methods Motocyles Freins et systmes de freinage Mthodes dessai et de mesure BS ISO 8710:2010 ISO 8710
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8、w. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise 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 addres
9、s below or ISOs member body in the country of the requester. ISO copyright 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 2010 All rights reservedBS ISO 8710:2010 ISO 8710:2010(E) ISO 2010
10、All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references1 3 Terms and definitions .2 3.1 Vehicle categories .2 3.2 Brake system and components .2 3.3 Types of brake systems3 3.4 Motorcycle loading3 3.5 Test parameters.4 4 Test site conditions.5 4.1 Test surface .5 4.2 Wind sp
11、eed 5 4.3 Ambient temperature 5 4.4 Test lane for dynamic tests 5 5 Motorcycle preparation.5 5.1 Tyres .5 5.2 Engine idle speed 5 5.3 Mass distribution.6 5.4 Instrumentation .6 5.5 Burnishing8 6 Test requirements .9 6.1 Brakes.9 6.2 Brake temperature measurement 9 6.3 Application of control forces9
12、6.4 Test sequence10 6.5 Rider10 6.6 Automatic transmission10 6.7 Motorcycle position and wheel lock10 6.8 Test speed tolerance.10 6.9 Measurement of dynamic performance 11 6.10 Test report12 7 Test procedures.12 7.1 Dry stop test (single brake control actuated).12 7.2 Dry stop test (all service brak
13、e controls actuated)13 7.3 High speed test14 7.4 Wet brake test 15 7.5 Heat fade test .17 7.6 Parking brake system test20 7.7 Partial failure test (for split service brake systems) 21 7.8 Power-assisted brake system failure test.22 Annex A (normative) Specimen format for test result sheet23 Bibliogr
14、aphy31 BS ISO 8710:2010 ISO 8710:2010(E) iv ISO 2010 All rights reservedForeword ISO (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 tech
15、nical 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 organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
16、 with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft I
17、nternational 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 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document
18、 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 8710 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 22, Motorcycles. This second edition cancels and replaces the first edition (ISO 8710:1995), w
19、hich has been technically revised. BS ISO 8710:2010 INTERNATIONAL STANDARD ISO 8710:2010(E) ISO 2010 All rights reserved 1Motorcycles Brakes and brake systems Tests and measurement methods 1 Scope This International Standard specifies tests and measurement methods for service brake systems and, wher
20、e applicable, associated parking brake systems of two-wheeled motorcycles (3-3), motorcycles with sidecar (3-4) and tricycles (3-5) which are intended for use on public roads, in order to establish uniform worldwide test procedures for braking systems. This International Standard does not cover moto
21、rcycles which: have a maximum speed of less than 25 km/h; are equipped for disabled riders. This International Standard sets out the following types of tests: dynamic tests: dry stop test (single brake control actuated); dry stop test (all service brake controls actuated); high speed test; wet brake
22、 test; heat fade test; parking brake system test; failure tests: partial failure test (for split service brake systems); power-assisted brake system failure test. NOTE The test methods (application, condition of the motorcycle, test procedure and parameters, measurement of performances) for all the
23、tests defined in this International Standard are equivalent to the corresponding test methods prescribed by UNECE Global Technical Regulation No. 3. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the editio
24、n cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3779, Road vehicles Vehicle identification number (VIN) Content and structure ISO 7117, Motorcycles Measurement method for determining maximum speed BS ISO 8710:2010 ISO 871
25、0:2010(E) 2 ISO 2010 All rights reserved3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 Vehicle categories NOTE Vehicle categories as defined in this clause correspond to those given in UNECE Special Resolution No. 1. 3.1.1 category 3 vehicle
26、 power driven vehicle with 2 or 3 wheels designed and constructed for the carriage of persons, of goods, or of persons and goods 3.1.1.1 category 3-3 vehicle two-wheeled motorcycle two-wheeled vehicle with an engine cylinder capacity exceeding 50 cm 3in the case of a thermic engine or a maximum desi
27、gn speed exceeding 50 km/h, whatever the means of propulsion 3.1.1.2 category 3-4 vehicle motorcycle with sidecar vehicle with three wheels asymmetrically arranged in relation to the longitudinal median plane with an engine cylinder capacity exceeding 50 cm 3in the case of a thermic engine or a maxi
28、mum design speed exceeding 50 km/h, whatever the means of propulsion 3.1.1.3 category 3-5 vehicle tricycle vehicle with three wheels symmetrically arranged in relation to the longitudinal median plane with an engine cylinder capacity exceeding 50 cm 3in the case of a thermic engine or a maximum desi
29、gn speed exceeding 50 km/h, whatever the means of propulsion 3.2 Brake system and components 3.2.1 brake system combination of parts (other than the engine), consisting of the control, the transmission(s) and the brake(s), the function of which is progressively to reduce the speed of a moving motorc
30、ycle, bring it to a halt and keep it stationary if it is already halted 3.2.2 control part actuated directly by the rider to supply to the transmission or control the energy required for braking the motorcycle 3.2.3 transmission combination of components which provide the functional link between the
31、 control and the brake 3.2.4 brake parts of the brake system in which the forces opposing the movement of the motorcycle are developed BS ISO 8710:2010 ISO 8710:2010(E) ISO 2010 All rights reserved 33.3 Types of brake systems 3.3.1 service brake system brake system which is used for slowing the moto
32、rcycle when in motion 3.3.1.1 single brake system service brake system which acts on only one axle 3.3.1.2 combined brake system CBS two-wheeled motorcycles service brake system whereby at least two brakes on different wheels are actuated by the operation of a single control 3.3.1.3 combined brake s
33、ystem CBS motorcycles with sidecar service brake system whereby the brakes on at least the front and the rear wheel are actuated by the operation of a single control NOTE If the rear wheel and the sidecar wheel are braked by the same brake system, this is regarded as the rear brake. 3.3.1.4 combined
34、 brake system CBS tricycles service brake system whereby the brakes on all the wheels are actuated by the operation of a single control 3.3.1.5 secondary brake system second service brake system on a vehicle equipped with a combined brake system 3.3.1.6 split service brake system SSBS service brake
35、system that operates the brakes on all wheels, consisting of two or more subsystems actuated by a single control designed so that a single failure in any subsystem does not impair the operation of any other subsystem NOTE An example of a single failure in a subsystem is a leakage type failure of a h
36、ydraulic subsystem. 3.3.2 power-assisted brake system brake system in which the energy necessary to produce the braking force is supplied by the physical effort of the rider assisted by one or more energy supplying devices EXAMPLE Vacuum assisted (with vacuum booster). 3.4 Motorcycle loading NOTE Ve
37、hicle masses as defined in this clause correspond to those given in UNECE Special Resolution No. 1. 3.4.1 laden motorcycle motorcycle laden so as to reach its gross vehicle mass BS ISO 8710:2010 ISO 8710:2010(E) 4 ISO 2010 All rights reserved3.4.2 lightly loaded motorcycle motorcycle in the conditio
38、n of mass in running order to which 15 kg are added, in order to account for the test equipment as described in 5.4 3.4.3 gross vehicle mass maximum mass of the fully laden solo vehicle, based on its construction and design performances, as declared by the manufacturer 3.4.4 mass in running order su
39、m of unladen vehicle mass and 75 kg, in order to account for the drivers mass 3.4.5 unladen vehicle mass mass of the vehicle with bodywork and all factory fitted equipment, electrical and auxiliary equipment for normal operation of vehicle, including liquids (fuel tank filled to at least 90 % of the
40、 rated capacity and the other liquid containing systems to 100 % of the capacity specified by the manufacturer), tools, fire extinguisher, standard spare parts, chocks and spare wheel, if fitted 3.5 Test parameters 3.5.1 test speed V motorcycle speed measured at the moment the rider begins to actuat
41、e the brake control(s) NOTE For tests where simultaneous actuation of two controls is specified, the motorcycle speed is taken from the moment the first control is actuated. 3.5.2 mean fully developed deceleration MFDD d maverage deceleration calculated from the moment the motorcycle reaches 80 % of
42、 the test speed until the moment the motorcycle reaches 10 % of the test speed 3.5.3 stopping distance S distance travelled by the motorcycle, measured from the moment the rider begins to actuate the braking system control until the moment the motorcycle comes to a stop NOTE For tests where simultan
43、eous actuation of two controls is specified, the distance travelled is taken from the moment the first control is actuated. 3.6 baseline test stop or series of stops carried out in order to confirm the performance of the brake prior to subjecting it to a further test, such as the heating procedure o
44、r wet brake stop 3.7 engine disconnected condition when the engine is no longer connected to the driving wheel(s) 3.8 initial brake temperature temperature of the hottest brake before any brake application BS ISO 8710:2010 ISO 8710:2010(E) ISO 2010 All rights reserved 53.9 maximum speed V maxspeed w
45、hich the motorcycle can attain when tested in accordance with ISO 7117 3.10 peak braking coefficient PBC measure of tyre to road surface friction based on the maximum deceleration of a rolling tyre 3.11 wheel lock condition that occurs when there is a slip ratio of 1,00 4 Test site conditions 4.1 Te
46、st surface The test surface for dynamic tests shall be clean, dry and substantially level (i.e. it shall not have a gradient in excess of 1 %). The surface shall afford good adhesion, i.e. it shall have a nominal peak braking coefficient (PBC) of 0,9, unless otherwise specified. The parking brake sy
47、stem test is conducted on a specified gradient. The specified test slope shall have a clean and dry surface that does not deform under the weight of the motorcycle. 4.2 Wind speed The average wind speed shall not exceed 5 m/s. 4.3 Ambient temperature The ambient temperature shall be between 4 C and
48、45 C. 4.4 Test lane for dynamic tests The test area immediately after the point at which the test is to commence shall be marked with a lane of sufficient length for the motorcycle to be brought to a stop. In the case of two-wheeled motorcycles (3-3), this lane shall be 2,5 m wide. In the case of mo
49、torcycles with sidecar (3-4) and tricycles (3-5), this lane shall have a width of 2,5 m plus the motorcycle width. 5 Motorcycle preparation 5.1 Tyres The tyres shall be inflated to the motorcycle manufacturers recommended pressure levels as appropriate to the vehicle loading condition for the test. 5.2 Engine idle speed The engine idle speed shall be set to the motorcycle manufacturers specification. BS ISO 8710:2010 ISO 8710:2010(E) 6 ISO 2010 All rights reserved5.3 Mass distribution
