BS ISO 6265-2013 en_9601 Alpine skis Determination of deformation load and breaking load《高山雪橇.畸形负荷和断裂负荷测定》.pdf

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1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication BS ISO 6265:2013 Alpine skis Determination of deformation load and breaking loadBS ISO 6265:2013 BRITISH STANDARD National foreword This British Standard is the UK implementat

2、ion of ISO 6265:2013. The UK participation in its preparation was entrusted to Technical Committee SW/136/7, Snowsports equipment. 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 provisi

3、ons of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013 ISBN 978 0 580 77190 3 ICS 97.220.20 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was publi

4、shed under the authority of the Standards Policy and Strategy Committee on 31 March 2013. Amendments issued since publication Date T e x t a f f e c t e dBS ISO 6265:2013 ISO 2013 Alpine skis Determination of deformation load and breaking load Skis alpins Dtermination de la charge de dformation et d

5、e la charge de rupture INTERNATIONAL STANDARD ISO 6265 Third edition 2013-03-01 Reference number ISO 6265:2013(E)BS ISO 6265:2013ISO 6265:2013(E)ii ISO 2013 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2013 All rights reserved. Unless otherwise specified, no part of this publication may be r

6、eproduced or utilized otherwise in any form or by any means, electronic or mechanical, including 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 reque

7、ster. 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 SwitzerlandBS ISO 6265:2013ISO 6265:2013(E) ISO 2013 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references 1 3

8、 T erms and definitions . 1 4 Testing machine 1 5 Determination of the load application point 3 6 Conditioning 4 7 Test procedure 4 8 Evaluation 4 8.1 Deformation load 4 8.2 Breaking load . 4 9 Test report . 4BS ISO 6265:2013ISO 6265:2013(E) Foreword ISO (the International Organization for Standardi

9、zation) 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 body interested in a subject for which a technical committee has been established has the right to b

10、e 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 Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standa

11、rds 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 International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Inter

12、national 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 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 6265 wa

13、s prepared by Technical Committee ISO/TC 83, Sports and recreational equipment, Subcommittee SC 4, Snowsports equipment. This third edition cancels and replaces the second edition (ISO 6265:1992), which has been technically revised.iv ISO 2013 All rights reservedBS ISO 6265:2013INTERNATIONAL ST ANDA

14、RD ISO 6265:2013(E) Alpine skis Determination of deformation load and breaking load 1 Scope This International Standard specifies a method for determining the resistance of alpine skis to permanent deformation and breaking. In this International Standard no attempt is made to relate the measurement

15、data to the quality of the ski. lt is applicable to all alpine skis for adults, juveniles and children. 2 Normative references The 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 c

16、ited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 8364, Alpine skis and bindings Binding mounting area Requirements and test methods ISO 868, Plastics and ebonite Determination of indentation hardness by means of a durometer (

17、Shore hardness) 3 T erms a nd definiti ons For the purposes of this document, the following terms and definitions apply. 3.1 deformation load F D load which, when applied at the load application point, causes a permanent deformation of 1 mm of the ski between the supports 3.2 breaking load F B maxim

18、um load which, when applied at the load application point, causes failure of the ski (breaking, delamination, buckling, etc.) 4 Testing machine The general arrangement of the bending testing machine is shown in Figure 1. ISO 2013 All rights reserved 1BS ISO 6265:2013ISO 6265:2013(E) Dimensions in mi

19、llimetres Key 1 dynamometer 2 displacement measurement gauge 3 recorder Figure 1 Testing machine The bending testing machine (universal tension and compression testing machine with bending fixture) shall comprise: a) two specimen supports, at least 250 mm apart, at least one of which shall be a low

20、friction roller; b) a dynamometer, having a range of at least 20 000 N, for measurement of the load, F; c) a displacement measurement gauge for the deflection, f. The load shall be applied to the ski via a ram plate (see Figure 2), which shall consist of a steel plate, 4 mm thick, and a hard rubber

21、layer, 3 mm thick and having a Shore A hardness of 95 5. Hardness shall be determined in accordance with ISO 868.2 ISO 2013 All rights reservedBS ISO 6265:2013ISO 6265:2013(E) Dimensions in millimetres Key 1 steel plate 2 hard rubber Figure 2 Ram plate Measurement data shall be recorded by means of

22、a load-displacement recorder (see Figure 3). Key F load f deflection F D deformation load F B breaking load F i g u r e 3 T y p i c a l l o a d - d e f l e c t i o n c u r v e a n d m e t h o d o f e v a l u a t i o n The specimen supports, as well as the ram plate, shall reach over the whole width

23、of the ski. 5 Determination of the load application point The test shall be carried out at the load application point with a separation between the supports of 250 mm 0,5 mm. Determine the load application point by moving the ski in a longitudinal direction on the supports until a deflection of: ISO

24、 2013 All rights reserved 3BS ISO 6265:2013ISO 6265:2013(E) 2 mm 0,03 mm for group 1; 4 mm 0,03 mm for group 2; 6 mm 0,03 mm for group 3; 8 mm 0,03 mm for group 4; is obtained under a load of 600 N 5 N. If under this procedure more than one load application point can be determined, the load applicat

25、ion point which is nearest to the front shall be used. 6 Conditioning Condition the ski at a temperature of 23 C 5 C. 7 Test procedure Insert the ski in the testing machine and fix it on the supports in such a way that the load application point is located midway between the supports. It is importan

26、t that the stiffness of the ski at the load application point lies within the tolerance range of 3 %. NOTE Testing at positions other than the load application point will result in false values for the deformation load and the breaking load. Load the ski at a rate sufficient to increase the deflecti

27、on by 25 mm/min, until the ski breaks. Record the load-deflection values by means of the load-displacement recorder. 8 Evaluation Determine the deformation load and the breaking load from the load-deflection chart above (see Figure 3). 8.1 Deformation load From the point of the abscissa correspondin

28、g to a 1 mm deflection, draw a straight line parallel to the linear portion of the load-deflection curve. The value of the deformation load, F D , is given by the point of intersection of this line with the curve (see Figure 3). 8.2 Breaking load The breaking load, F B , is the maximum load measured

29、 during the test, i.e. the maxima of the curve. 9 Test report The test report shall include the following information: a) reference to this International Standard, i.e. ISO 6265; b) the brand of ski tested; c) the designation of the model; d) the group of the ski according to ISO 8364; e) the manufa

30、cturers registration number;4 ISO 2013 All rights reservedBS ISO 6265:2013ISO 6265:2013(E) f) the load-deflection chart together with the deformation and breaking loads; g) any deviation from the procedure of this International Standard and the reasons for this deviation. ISO 2013 All rights reserve

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