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本文(BS EN 13571-2002 Footwear - Test methods for uppers lining and insocks - Tear strength《鞋类 鞋帮、鞋衬和内垫试验方法 扯裂强度》.pdf)为本站会员(feelhesitate105)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 13571-2002 Footwear - Test methods for uppers lining and insocks - Tear strength《鞋类 鞋帮、鞋衬和内垫试验方法 扯裂强度》.pdf

1、BRITISH STANDARD BS EN 13571:2002 Incorporating Corrigendum No. 1 Footwear Test methods for uppers, lining and insocks Tear strength The European Standard EN 13571:2001 has the status of a British Standard ICS 61.060 BS EN 13571:2002 This British Standard, having been prepared under the direction of

2、 the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 25 January 2002 BSI 12 May 2004 ISBN 0 580 38931 6 National foreword This British Standard is the official English language version of EN 13571:2001,

3、 including Corrigendum December 2003. The UK participation in its preparation was entrusted to Technical Committee TCI/69, Footwear and leather, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The Br

4、itish Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards O

5、nline. 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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the respon

6、sible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN titl

7、e page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 15117 Corrigendum No. 1 12 May 2004 Change to Figure 4EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM E

8、N 13571 November 2001 ICS 61.060 Incorporating Corrigendum December 2003 English version Footwear Test methods for uppers, lining and insocks Tear strength Chaussure Mthodes dessai relatives aux tiges, doublures et premires de propret Rsistance la dchirure Schuhe Prfverfahren fr Schfte, Futter und D

9、ecksohlen Reifestigkeit This European Standard was approved by CEN on 4 October 2001. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists

10、and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibi

11、lity of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherland

12、s, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserve

13、d worldwide for CEN national Members. Ref. No. EN 13571:2001 EEN 13571:2001 (E) 2 Contents page Foreword3 1 Scope4 2 Normative references4 3 Terms and definitions .4 4 Apparatus and material.4 5 Sampling and conditioning.5 6 Test method6 6.1 Principle6 6.2 Procedure.6 7 Expression of results8 8 Test

14、 report9 EN 13571:2001 (E) 3 Foreword This European Standard has been prepared by Technical Committee CEN/TC 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 text or by endorsemen

15、t, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest by May 2002. This European Standard is based on the IULTCS/IUP 8 method (ISO 3377:1975 “Leather - Determination of tearing load“). According to the CEN/CENELEC Internal Regulations, the national standar

16、ds organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. EN 13571:2001

17、 (E) 4 1 Scope This European Standard specifies a test method for assessing the tear strength of upper, linings and insocks or complete upper assembly, irrespective of material, in order to assess the suitability for the end use. 2 Normative references This European Standard incorporates by dated or

18、 undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only

19、 when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 12222, Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear. EN 13400, Footwear - Sampling lo

20、cation, preparation and duration of conditioning of samples and test pieces. EN ISO 7500-1, Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines (ISO 7500-1:1999). 3 Terms and definitions For the purposes of this European Standard, the

21、following terms and definitions apply. 3.1 tear strength median force required to propagate a cut in a specified test specimen 3.2 upper materials forming the outer face of the footwear which is attached to the sole assembly and covers the upper dorsal surface of the foot. In the case of boots this

22、also includes the outer face of the material covering the leg. Only the materials that are visible are included, no account should be taken of underlying materials 3.3 complete upper assembly finished upper, fully seamed, joined or laminated together as appropriate, comprising the centre material an

23、d any lining(s) together with all components such as interlinings, adhesives, membranes, foams or reinforcements, but excluding toe puffs and stiffeners NOTE The complete upper assembly can be flat, 2- dimensional or comprise lasted upper in the final footwear. 4 Apparatus and material The following

24、 apparatus and material shall be used: 4.1 Tensile testing machine with a jaw separation rate of 100 mm/min 10 mm/min, a force range appropriate to the specimen under test (range of 0 N to 500 N is usually suitable for specimens of footwear upper materials). 4.2 Means of continuously recording the f

25、orce to an accuracy greater than 2 % as specified by class 2 in EN ISO 7500-1. EN 13571:2001 (E) 5 4.3 A press knife, or other cutting device, capable of cutting a test specimen of the dimensions shown in Figure 1, for non-leather sheet materials and Figure 2 for cutting samples from shoe uppers or

26、leathers. 5 Sampling and conditioning 5.1 Test specimens can be cut from materials likely to be used for uppers or insocks or from made-up uppers or finished footwear. Prepare test pieces from complete upper assemblies when the lining material is permanently attached to the upper material. 5.2 Cut s

27、ix test specimens from either the sheet material or shoe upper. If testing fabric shoe uppers, the test specimen dimensions shown in Figure 2 are to be considered minimum dimensions and a larger test specimen should be cut where possible to prevent yarn slippage. 5.3 For sheet materials cut test spe

28、cimens from a range of positions across the full usable width and length of the sheet material. For a material with a woven structure this will prevent any two specimens containing the same warp or weft threads. Key 1 Slit Figure 1 Test specimen for non-leather sheet materials EN 13571:2001 (E) 6 Ke

29、y 1 25 mm or more 2 30 mm 2 mm 3 Slit Figure 2 Test specimen for leather and shoe uppers 5.4 Cut three test specimens with the slit parallel to the along direction of the material (backbone direction for leather and selvedge (warp) or machine direction for non-leather materials) and three with the s

30、lit perpendicular to this. In the case of woven fabrics, use the warp directions as the along direction and the weft direction as the across even if these are not at 90 to each other. For shoe uppers, the along direction is the X-axis as defined in EN 13400. 5.5 For shoe uppers, cut six test specime

31、ns through the full thickness of the upper taking care not to dislodge any lining or interlining which has been laminated to the outer material. Take similar care not to dislodge any lining material throughout the testing procedure. Cut three with the slit parallel to the along direction (X-axis) an

32、d three with the slit perpendicular to this. 5.6 Mark the along direction on all the test specimens. 5.7 Test specimens shall be conditioned in a standard atmosphere as specified in EN 12222 for 24 h prior to test. 6 Test method 6.1 Principle A test specimen, which has a single slit to produce two l

33、egs, is loaded into a tensile testing machine so that the slit is parallel to the axis of the machine and one leg is clamped in each jaw. The jaws are moved apart to tear the material until the tear has propagated to an edge of the test specimen. The initial force required to initiate tear, the medi

34、an force required to continue the tear, the maximum force required to continue the tear and the type of tear are recorded. 6.2 Procedure 6.2.1 All tests shall be conducted in a conditioned atmosphere as specified in EN 12222. Where this is not possible, tests shall be carried out within 15 min of re

35、moving the samples from the conditioned atmosphere. 6.2.2 Zero the tensile tester force measuring system and move the jaws together to enable the test specimen to be fitted. EN 13571:2001 (E) 7 6.2.3 Hold the test specimen flat between the jaws of the tensile testing machine so that the slit is alig

36、ned and parallel with the axis of the machine. 6.2.4 Clamp one of the legs in the lower jaw and then fold the other leg upwards through 180 and clamp it into the upper jaw (see Figure 3). In each case ensure that the end of the leg is parallel with the clamping edge of the jaw and that the slit is p

37、ositioned in the axis of the tensile tester. Figure 3 Method of fixing test specimens in grips 6.2.5 Operate the tensile testing machine so that the jaws separate at a speed of 100 mm/min 10 mm/min and note the type of tear that occurs as: Normal failure: Clean tear in approximate direction of the s

38、lit Abnormal failures: - Separate tearing of coating and base fabric - Fabric yarns pulling out instead of tearing - Tearing to the side of the test specimen 6.2.6 Stop the test when the tear has propagated to an edge of the test specimen. 6.2.7 From the trace of force versus extension produced by t

39、he tensile testing machine: 6.2.7.1 If there is a peak corresponding with the initiation of tearing, record this force value as Initial peak force to the nearest 1 N. 6.2.7.2 Record the maximum force applied to continue the tear once it had started as Maximum tear force to the nearest 1 N. 6.2.7.3 R

40、ecord the average force (see Figure 4) required to continue the tear as Median force to the nearest 1 N. EN 13571:2001 (E) 8 Key 1 Tearing force, in N 2 Average 3 Deformation Figure 4 Example of diagram force/deformation 6.2.8 Repeat the procedure in 6.2.2 to 6.2.7 for the remaining test specimens.

41、If one test specimen in either test direction shows an abnormal failure, see 6.2.5, and sufficient material is available, repeat the test until one more specimen shows a normal failure and discard the results for the abnormal failures. If two or more specimens in either test direction show an abnorm

42、al type of failure, stop the test when all the original six specimens have been tested and include the results for the abnormal types of failure. 7 Expression of results For each test direction (along and across) and type of failure calculate the arithmetic mean of: a) the Initial peak forces if rec

43、orded in 6.2.7.1; b) the Maximum tear forces estimated in 6.2.7.2; c) the Median forces as recorded in 6.2.7.3. EN 13571:2001 (E) 9 8 Test report The test report shall include the following information: a) the arithmetic mean forces determined in clause 7 together with the type(s) of failure; b) if

44、testing finished footwear or uppers, a description of the style of shoe tested including commercial style codes; c) a description of any lining or other reinforcement present; d) a description of the material, including commercial reference if known; e) the number of test specimens if other than six

45、; f) reference to the method of test; g) date of testing; h) any deviations from this test method. BS EN 13571:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on

46、standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the qua

47、lity of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (

48、0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +4

49、4 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. 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 requested. Information on standards BSI provides a wide range of information on national, European and international standards thr

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