1、BSI Standards PublicationBS EN 16653:2015Rubber or plastics-coatedfabrics Determination ofstitch tear resistance (using aneedle) Test methodBS EN 16653:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16653:2015. The UK participation in its preparation was e
2、ntrusted to TechnicalCommittee TCI/69, Footwear, leather and coated fabrics.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
3、 application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 80023 8 ICS 59.080.40Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strateg
4、y Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16653 March 2015 ICS 59.080.40 English Version Rubber or plastics-coated fabrics - Determination of stitch tear resistance (using a needle) - Te
5、st method Supports textiles revtus de caoutchouc ou de plastique - Dtermination de la rsistance au dchirement au point de couture ( laide dune aiguille) - Mthode dessai Mit Kautschuk oder Kunststoff beschichtete Textilien - Bestimmung des Stichausreiwiderstands (unter Verwendung einer Nadel) - Prfve
6、rfahren This European Standard was approved by CEN on 7 February 2015. 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 and bibliograph
7、ical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 responsibilit
8、y of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of
9、 Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIO
10、N EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16653:2015 EBS EN 16653:2015EN 16653:2015 (E) 2 Contents Page Foreword 3 1 Scope
11、 4 2 Normative references 4 3 Terms and definitions .4 4 Test apparatus and materials .4 5 Sampling and conditioning .6 6 Test method 7 7 Expression of results 8 8 Test report 8 BS EN 16653:2015EN 16653:2015 (E) 3 Foreword This document (EN 16653:2015) has been prepared by Technical Committee CEN/TC
12、 248 “Textiles and textile products”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2015 and conflicting national standards shall be withdrawn
13、at the latest by September 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, th
14、e national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvi
15、a, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16653:2015EN 16653:2015 (E) 4 1 Scope This European Standard specifies a method for the determination of the resistance of the seams o
16、f rubber or plastic-coated fabrics against tearing out a needle perpendicular to the stitching direction. This resistance is characterized by determining the stitch tear force. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are in
17、dispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 2231, Rubber- or plastics-coated fabrics Standard atmospheres for conditioning and testing (ISO 2231
18、) EN ISO 2286-3, Rubber- or plastics-coated fabrics Determination of roll characteristics Part 3: Method for determination of thickness (ISO 2286-3) EN ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibr
19、ation of the force-measuring system (ISO 7500-1) EN ISO 10012, Measurement management systems Requirements for measurement processes and measuring equipment (ISO 10012) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 stitch tear resistance re
20、sistance to pull a needle from a sample perpendicular to the stitching direction 3.2 stitch tear force stitch tear resistance, recorded as the maximum tearing force 3.3 stitch tear strength stitch tear force divided by the thickness 4 Test apparatus and materials The following test apparatus and mat
21、erials shall be used: 4.1 CRE machine. Metrological confirmation system of the tensile-testing machine shall be in accordance with EN ISO 10012. The constant-rate-of-extension (CRE) machine shall have the general characteristics given in 4.1.1 to 4.1.4. BS EN 16653:2015EN 16653:2015 (E) 5 4.1.1 The
22、tensile-testing machine shall be provided with means for indicating or recording the force applied to the test specimen. Under conditions of use, the accuracy of the apparatus shall be class 1 of EN ISO 7500-1. The error of the indicated or recorded maximum force at any point in the range in which t
23、he machine is used shall not exceed 1 %. 4.1.2 If a class 2 tensile-testing machine according to EN ISO 7500-1 is to be used, this shall be stated in the test report. 4.1.3 If recording of force is obtained by means of data acquisition boards and software, the frequency of data collection shall be a
24、t least eight per second. 4.1.4 The machine shall be capable of constant rate of extension of (100 10) mm/min. 4.2 Needle. Either a smooth needle of stainless steel having a diameter of (1,0 0,1) mm and a conical tip or a corresponding piece of spring steel wire having the same diameter, also made o
25、f stainless steel and having a conical tip. 4.3 Clamping device. As an example, Figure 1 shows a schematic view of a clamping device. The bearing bushes for the needle shall be parallel and adjustable such that they can be set in accordance with the thickness of the test specimen. The clamping devic
26、e shall be provided with a suitable safety device which prevents the needle from jumping out. BS EN 16653:2015EN 16653:2015 (E) 6 Key 1 supporting bracket 2 spacer 3 steel needle 4 specimen 5 scissor clamp Figure 1 Schematic view of a clamping device 5 Sampling and conditioning The test specimens to
27、 be tested are sampled in the warp and weft directions. For each direction, five test specimens shall be sampled. The test specimens consist of strips with a length of (50 1) mm and a width of (20 1) mm. All test specimens shall be conditioned for at least 24 h prior to testing in accordance with EN
28、 ISO 2231. The final result shall be based on test specimens of the same type only, and the type shall be indicated in the test report. BS EN 16653:2015EN 16653:2015 (E) 7 6 Test method The test is carried out after conditioning in a standard atmosphere in accordance with EN ISO 2231. The thickness
29、of the test specimen shall be measured in accordance with EN ISO 2286-3. A needle having a diameter of 1 mm (see 4.2) is inserted into the test specimen 5 mm from the edge in the centre of the narrow side (see Figure 1), as perpendicularly as possible, by means of a template. Prior to this, the test
30、 specimen shall not have been pierced or punched in any manner. The needle, which is now held (fixed) inside the test specimen, is placed into the clamping device (see 4.3). The distance between the spacers shall be adjusted such that they just barely touch the test specimen. The lower end of the te
31、st specimen is clamped into the lower jaw (shown as a scissor clamp in Figure 1). The test specimen is elongated at 100 mm/min. Record the maximum force, in newtons, which occurs while the needle is being torn out (see Figure 2). Key X displacement in millimetres F force in newtons Fmaxstitch tear f
32、orce Figure 2 Force displacement diagram for the needle BS EN 16653:2015EN 16653:2015 (E) 8 7 Expression of results 7.1 Stitch tear force The stitch tear force is calculated as the arithmetic mean of the highest individual values (Fmax) of the five test specimens, given for each direction, expressed
33、 in N and rounded to the nearest 0,5 N. 7.2 Stitch tear strength If required, the stitch tear strength, expressed in N/mm, is calculated as follows: maxStitch tear strength =Fdwhere Fmaxis the maximum stitch tear force, in newtons; d is the thickness of the test specimen, in millimetres. 8 Test repo
34、rt The test report shall contain the following information: a) a reference to this test method; b) the complete marking of the tested sample, including commercially available types, codes, colours, condition, etc.; c) the date of the test; d) the standard atmosphere used; e) the results in accordanc
35、e with Clause 7: stitch tear force (7.1) and, if required, stitch tear strength (7.2); f) any deviation from the given procedure. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.B
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