BS ISO 6265-2013 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 worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 6265:2013Alpine skis Determination ofdeformation load and breakingloadBS ISO 6265:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of I

2、SO 6265:2013. The UK participation in its preparation was entrusted to TechnicalCommittee 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 provisions of a co

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

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

5、ptureINTERNATIONAL STANDARDISO6265Third edition2013-03-01Reference numberISO 6265:2013(E)BS ISO 6265:2013ISO 6265:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized othe

6、rwise 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 requester.ISO copyright officeC

7、ase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 6265:2013ISO 6265:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Testing ma

8、chine 15 Determination of the load application point 36 Conditioning 47 Test procedure 48 Evaluation 48.1 Deformation load 48.2 Breaking load . 49 Test report . 4BS ISO 6265:2013ISO 6265:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national sta

9、ndards 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 or

10、ganizations, 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 6265 was prepared by Technical Committee ISO/TC 83, Sports a

13、nd 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 STANDARD ISO 6265:2013(E)Alpine skis Determination of deforma

14、tion load and breaking load1 ScopeThis 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 data to the quality of the ski.lt is applicable to all alp

15、ine skis for adults, juveniles and children.2 Normative 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 t

16、he referenced document (including any amendments) applies.ISO 8364, Alpine skis and bindings Binding mounting area Requirements and test methodsISO 868, Plastics and ebonite Determination of indentation hardness by means of a durometer (Shore hardness)3 Terms and definitionsFor the purposes of this

17、document, the following terms and definitions apply.3.1deformation loadFDload which, when applied at the load application point, causes a permanent deformation of 1 mm of the ski between the supports3.2breaking loadFBmaximum load which, when applied at the load application point, causes failure of t

18、he ski (breaking, delamination, buckling, etc.)4 Testing machineThe 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 millimetresKey1 dynamometer2 displacement measurement gauge3 recorderFigure 1 Testi

19、ng machineThe 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 friction roller;b) a dynamometer, having a range of at least 20 000 N, for measurement o

20、f 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 layer, 3 mm thick and having a Shore A hardness of 95 5. Hardness shall be determined in ac

21、cordance with ISO 868.2 ISO 2013 All rights reservedBS ISO 6265:2013ISO 6265:2013(E)Dimensions in millimetresKey1 steel plate2 hard rubberFigure 2 Ram plateMeasurement data shall be recorded by means of a load-displacement recorder (see Figure 3).KeyF loadf deflectionFDdeformation loadFBbreaking loa

22、dFigure 3 Typical load-deflection curve and method of evaluationThe specimen supports, as well as the ram plate, shall reach over the whole width of the ski.5 Determination of the load application pointThe test shall be carried out at the load application point with a separation between the supports

23、 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 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

24、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 application point which is nearest to the front shall be used.6 ConditioningCondition the ski at a temperature of 23 C 5 C.7 Test procedureInsert the ski in the testing ma

25、chine and fix it on the supports in such a way that the load application point is located midway between the supports.It is important 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 wil

26、l result in false values for the deformation load and the breaking load.Load the ski at a rate sufficient to increase the deflection by 25 mm/min, until the ski breaks.Record the load-deflection values by means of the load-displacement recorder.8 EvaluationDetermine the deformation load and the brea

27、king load from the load-deflection chart above (see Figure 3).8.1 Deformation loadFrom the point of the abscissa corresponding 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, FD, is given by the point of inter

28、section of this line with the curve (see Figure 3).8.2 Breaking loadThe breaking load, FB, is the maximum load measured during the test, i.e. the maxima of the curve.9 Test reportThe test report shall include the following information:a) reference to this International Standard, i.e. ISO 6265;b) the

29、 brand of ski tested;c) the designation of the model;d) the group of the ski according to ISO 8364;e) the manufacturers 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 fro

30、m the procedure of this International Standard and the reasons for this deviation. ISO 2013 All rights reserved 5BS ISO 6265:2013ISO 6265:2013(E) ISO 2013 All rights reservedICS 97.220.20Price based on 5 pagesThis page deliberately left blankBSI is the independent national body responsible for prepa

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