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    EN 12959-2000 en Footwear - Test Methods for Shanks - Longitudinal Stiffness《鞋类 鞋底中间狭窄部分的试验方法 纵向硬度》.pdf

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    EN 12959-2000 en Footwear - Test Methods for Shanks - Longitudinal Stiffness《鞋类 鞋底中间狭窄部分的试验方法 纵向硬度》.pdf

    1、BRITISH STANDARD Footwear - Test methods for shanks - Longitudinal stiffness The European Standard EN 12959:2000 has the status of a British Standard ICs 61.060 NO COPYNG WITHOUT BSI PERMISSION EXCEPT AS PERMITED BY COFYRIGHT LAW 35 EN 129592000 STD*BSI ES EN L2757-ENGL 2UOU II Lb24bb9 08579bb 27b B

    2、S EN 12959:2000 National foreword TIS British Standard is the officiai English language version of EN 129592000. It supersedes BS 51314.18: 1985 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee TCI/69, Footwear and leather, which has the responsibil to

    3、: - aid enquirers to understand the text; - present to the responsible European committee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the LTK interests informed; them in the UK A list of organizations

    4、 represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Corres

    5、pondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not

    6、 of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. T

    7、his British Standard, having been prepared under the direction of the Sector Committee for Materiais and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 July 2000 O BSI 07-2000 Amendments issued since publication Amd.No. IDate /Comments ISBN O 580

    8、34282 4 STD.BSI BS EN 12959-ENGL 2000 W Zb24bb9 0857967 122 EUROPEAN STANDARD EN 12959 NORME EUROPENNE EUROP- NORM February 2ooo ICs 61.060 Engsh version Chausswres - Mthodes dessai Fgcit longitudinae Lngsskkeit Cambion- Schuhe - prllfverfahren flir Gelenke - This European standard was approved by C

    9、EN on 1 Januaqy ZOOO. CEN members are bound to comply with the CEN/CENELEC Internai Reguiaons which stipulate the conditions for giving this European Standard the status of a national standard without any alteraton. Uptcdae lists and bibhographid references concerning such nationai standards may be

    10、obtained on application to the Centrai Secre- or to any CEN member. This European standard exists in three official versions (English, l?rench,German). A version in any other language made by transhion under the responsibility of a CEN member into its own language and notified to the Centrai SecreW

    11、has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Wand, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzeriand and United Kingdom. European Committ

    12、ee for Standardization Comit Europen de Nonnalisati on Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 3-1060 Brussels O 2000 CEN Ali nghts of exploitation in any form and by any means reserved worldwide for CEN naional members. Ref. No. EN 129592000 E STDeBSI BS EN L2959-ENG

    13、L 2000 = Lb24bb9 0857968 069 m Page 2 EN 129592000 Foreword This European Standard has been prepared by Technical Committee CENRC 309, Footwear, the Secretariat of which is held by AENOR. This European Standard shall be given the status of a national standard, either by publication of an identical t

    14、ext or by endorsement, at the latest by August 2000, and conflicting national standards shall be withrawn at the latest by August 2000. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standaxd Aust

    15、ria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, My, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Foreword 1 Scope 2 Normative references 3 Definitions 4 Apparatus and materials 5 Sampling and conditi

    16、oning 6 Test method 7 Expression of results 8 Test report page 2 3 3 3 3 3 3 4 4 Q BSI 07-2000 1 scope This European Standard specifies a method for assessing the stiffness in the longituinai b) a means of applying a downward force to the forward end of the shank of 2N, 4N, 6N and 8N with a toleranc

    17、e of Its%; c) a means of measuring the vertical deflection of the shank at the point where the force is applied to an accuracy of *,o25 mm. 4.2 A laboratory timer or similar with an accuracy 4.3 Callipers and/or a stainless steel rule with an of *,l s. accuracy of 10,5 mm. Page 3 EN 12969m 6 Samplin

    18、g and conditioning The test specimen shall be a complete shank. At least three specimens of each type of shank shall be tk%ed. Test specimens shall be conditioned for 48 h in a contmlied atmosphere in accordance with EN 12222 prior to testing. Tests shall be carried out in a suitable conditioned atm

    19、osphere in accordance with EN 12222. Where this is not possible tests shall be carried out within 16 min of removing the test specimen from the conditioned atmosphere. 6 Test method 6.1 The shank is clamped at its heel end and bent as a cantiiever beam by masses aded at its forward end. The amount o

    20、f bending is measured and usec to calculate the fled rigidity of the shank, a quantiiy which is a measure of stiffness and which is dependent on the metal of the shank and its crosssection but not on its length. 6.2 With the underside of the shank uppermost (normaiiy the fluted side), insert the hee

    21、l end centrally in its clamp (see 4.la) so that 32 mm of shank are clamped, with the end of the shank flush with the back of the clamp and the longitudinal axis of the shank perpendicular to the clamp edge. lighten the clamp rmly to secureiy hold the shank 6.3 Aaust the angle of the clamp so that th

    22、e point of loading at the forward end of the shank is horizontal. 6.4 Place the displacement measuring device (see 4.lb) in position and adjust as necem. 6.6 Smoothly apply a downward force of 2 N to the forward end of the shank with the centre of the load point bei about 6 mm fi-om the end of the s

    23、hank NOTE For shanks for high heeled shoes, a point about 11 mm from the end of the shank may be used. 6.6 After 5 s measure the vertical deflection of the shank (see 4.1) at the point of loading, al, to the nearest 0,Ol mm. 6.7 Remove the force and replace it with the force of 4 N so that the time

    24、intemal between the application of the frst and second force is 10 s. 6.8 After 5 s measure the deflection, a2, as in 6.3. 6.9 Repeat the procedure in 6.7 and 6.8 for forces of 6 N and 8 N giving defiection measurements a3, and q, respectively. Check the correctness of these readings by checking tha

    25、t u4 - a3, a3 - ap, and a2 - al, are approximately equal. 6.10 Remove the force from the shank and measure in mm the moment length of the shank from the front edge of the clamp to the centre point of the force application using the device described in 4.3. 6.11 Test two other shanks as described in

    26、6.2 to 6.10. O BSI 07-2000 STD.BSI BS EN lZ5-ENGL 2000 Lh24bb 0857970 727 m Page 4 EN 12959:2000 7 Expression of results 7.1 The flexural rigidity, S, in kilonewtons per square millimetxe of the shank is given by the equation: WL? S=- 3a where W is the load (in newtons); a is the deflection produced

    27、 (in miiiimetres); L is the moment length (i miimetres). Calculate the flexural rigidity of the shank from the experimentally determined values of H( a and L by substitution in the above equation. Take Was being 2 N and obtain the most accurate estimate of the corresponding value of a from the follo

    28、wing equation: 1 10 a =- (3a4 +a3 - a2 - 3al) where a is the deflection (in millimetres) produced per 2 N gravitational force; a4 is the deflection (in millimetres) produced by applying a 8 N force; a3 is the deflection (in millimetres) produced by applying a 6 N force; a2 is the deflection (in mill

    29、imetres) produced by applying a 4 N force; al is the deflection (in millimetres) produced by applying a 2 N force. 8 lkst report The test report shall include the following information: a) results, expressed in accordance with clause 7 b) reference to this test method, c) full description of the sha

    30、nk samples tested including commercial styles codes; colom, nature, etc.; d) the number of test specimens if other than three; e) any deviations from this standard test method f) date of testing. 7.2 Calculate the values for S (in kilonewtons per square millimetre) for the three shanks separately an

    31、d take the average. Record the result to the nearest kilonewtons per square millimetre. O BSI 07-2000 BS EN 12959:2000 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution SI is the independent nationai body responsible for preparing British Standards. It )resents the K view

    32、on standards in Europe and at the intemational level. It is ncorporated by Royal Charter. Revisions 3ritish Standards are updated by amendment or revision. Users of British Standards hould make sure that they possess the latest amendments or editions. t is the constant aim of BSI to improve the qual

    33、ity of our products and services. We would be grateful if anyone ndjng an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, he identity of which can be found on the inside front cover. Tel O20 8996 9OOO. Fax: O20 8996 7400. B

    34、SI offers members an individuai updating service died PLUS which ensures that wbscribers automatically receive the latest editions of standards. Buying standards rders for all BSI, intemational and foreign standards publications should be addressed to Customer Services. Tel O20 8996 9001. Fax: O20 8

    35、996 7001. in response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise quested. Information on standards BSI provides a wide range of infomation on national, European and international st

    36、andards through its Library and its Technid Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Infomation Cenre. Tel 020 8996 7111. Fax: O20 8996 7048. Subscribing members of BSI are kept up to da

    37、te with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benets contact Membership Administsati on. Tel 020 8996 7002. Fax: O20 8996 7001. Copyright Copynght subsists in all BSI publications. BSI also holds the copyright, in

    38、the UK, of the publications of the intedonal standar-on Wes. Except as permitted under the Copynght, Designs and Patents Act 1988 no extract may be reproduced, stored in a retsieval system or transmitted in any form or by any means - electronic, photocopying, recording or otherwise - without prior w

    39、ritten permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If pennission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copynght Manager. Tel O20 8996 7070.


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