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    BS ISO 11093-9-2006 Paper and board - Testing of cores - Determination of flat crush resistance《纸和纸板 芯层试验 抗压扁性的测定》.pdf

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    BS ISO 11093-9-2006 Paper and board - Testing of cores - Determination of flat crush resistance《纸和纸板 芯层试验 抗压扁性的测定》.pdf

    1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58resistanceICS 85.060Paper and board Testing of cores Part 9: Determination of flat crush BRITISH ST

    2、ANDARDBS ISO 11093-9:2006BS ISO 11093-9:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2006 BSI 2006ISBN 0 580 49574 4Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its correct ap

    3、plication.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard was published by BSI. It is the UK implementation of ISO 11093-9:2006. It supersedes BS ISO 11093-9:1994 which is withdrawn.The UK participation in its preparation was en

    4、trusted to Technical Committee PAI/11, Methods of test for paper, board and pulps.A list of organizations represented on PAI/11 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a Reference numberISO 11093-9:2006(E)INTERNATIONAL

    5、STANDARD ISO11093-9Second edition2006-10-01Paper and board Testing of cores Part 9: Determination of flat crush resistance Papier et carton Essais des mandrins Partie 9: Dtermination de la rsistance lcrasement plat BS ISO 11093-9:2006ii iiiContents Page Foreword iv 1 Scope . 1 2 Normative references

    6、 . 1 3 Terms and definitions. 1 4 Principle. 1 5 Apparatus 2 6 Preparation 2 7 Procedure 3 8 Calculation. 3 9 Test report . 4 BS ISO 11093-9:2006iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work o

    7、f 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 organizations, governmental and non-governmenta

    8、l, 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 in the ISO/IEC Directives, Part 2. The main

    9、 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 % of the member bodies casting a vote. Atte

    10、ntion 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 11093-9 was prepared by Technical Committee ISO/TC 6, Papers, board and pulps. This second edition ca

    11、ncels and replaces the first edition (ISO 11093-9:1994), which has been technically revised. ISO 11093 consists of the following parts, under the general title Paper and board Testing of cores: Part 1: Sampling Part 2: Conditioning of test samples Part 3: Determination of moisture content using the

    12、oven drying method Part 4: Measurement of dimensions Part 5: Determination of characteristics of concentric rotation Part 6: Determination of bending strength by the three-point method Part 7: Determination of flexural modulus by the three-point method Part 8: Determination of natural frequency and

    13、flexural modulus by experimental modal analysis Part 9: Determination of flat crush resistance BS ISO 11093-9:20061Paper and board Testing of cores Part 9: Determination of flat crush resistance 1 Scope This part of ISO 11093 specifies a method for the determination of the maximum flat crush resista

    14、nce of wound paper and board cores. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)

    15、 applies. ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the force-measuring system ISO 11093-1, Paper and board Testing of cores Part 1: Sampling ISO 11093-2, Paper and board Testing of cor

    16、es Part 2: Conditioning of test samples 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 flat crush resistance quantity calculated from the load acting at right angles to the axis of the test piece at the first maximum or levelling off of the

    17、crushing force of the load deformation curve NOTE The flat crush resistance is expressed in kilonewtons per metre. 4 Principle The test piece is placed between two pressure plates arranged in parallel, so that its axis is parallel with the plane of the pressure plates and compressed at a constant pl

    18、ate rate until the first maximum, or levelling, of the load has been exceeded. BS ISO 11093-9:20062 5 Apparatus 5.1 Compression testing machine, which shall be calibrated and verified to conform to the requirements of ISO 7500-1. The compression testing machine shall be equipped with flat upper and

    19、lower platens held rigidly parallel during testing, permitting movement in a vertical direction only. The speed of the moving platen is the actual rate of travel of the platen while under the load. The force measurement shall have an accuracy of 1 % of the smallest crushing load measured. The switch

    20、-off limit for the crushing force F for a testing machine with an automatic break detection is defined by 30 N, or 3 % from the true value. The testing machine shall be able to carry out the test so that the plates remain parallel in a range of 2 . 5.2 Cutting device for making test pieces, capable

    21、of producing a cut at 90 1 to the axis of the core. The device shall give a clean cut without feathering and shall not cause deformation of the test piece. To come in line with daily practice and to make the sampling procedure and preparation of test pieces more precise and valid, a circular saw sho

    22、uld be used. 6 Preparation 6.1 Sampling Sampling shall be carried out in accordance with ISO 11093-1. 6.2 Number of test pieces One test piece shall be taken from each specimen, at least 100 mm from the core ends, using the cutting device (5.2). 6.3 Size of test piece Test pieces cut from cores of n

    23、ominal internal diameter u 300 mm shall be (100 1,5) mm long at all points. Test pieces cut from cores of nominal internal diameter 300 mm shall be (300 1,5) mm long at all points. 6.4 Conditioning The test pieces shall be conditioned in accordance with ISO 11093-2. BS ISO 11093-9:200637 Procedure T

    24、esting shall be carried out in a standard atmosphere identical to that used for conditioning the test pieces (see 6.4). Place the test piece centrally between the pressure platens, so that its longitudinal axis is parallel to the platens. Crushing shall be accomplished by evenly moving one platen to

    25、wards the other, or both platens in opposite directions towards each other, at a constant relative rate between 50 mm/min and 65 mm/min. Subject the test piece to a load until the first maximum of the flat crush resistance is markedly exceeded, unless otherwise specified (for example, when determini

    26、ng the flat crush resistance for a specified crushing path). To make results comparable, all calculated results have to be converted to kilonewtons per metre (kN/m), regardless of the nominal internal diameter of the core (see 6.3). Repeat this procedure for the remaining test pieces. 8 Calculation

    27、8.1 Calculate the flat crush resistance X1of a test piece, expressed in kilonewtons per metre (kN/m), with a nominal internal diameter of u 300 mm according to Equation (1): 1101 000yX= (1) where y is the measured force, in newtons (N) per (100 1,5) mm length of the test piece. 8.2 Calculate the fla

    28、t crush resistance X2of a test piece, expressed in kilonewtons per metre (kN/m), with a nominal internal diameter of 300 mm according to Equation (2): 21 000300 1 000yX=(2) where y is the measured force, in newtons (N) per (300 1,5) mm length of the test piece. BS ISO 11093-9:20064 9 Test report The

    29、 test report shall include the following information: a) a reference to this part of ISO 11093; b) type and designation of the cores tested; c) date and place of sampling; d) date and place of testing, name and signature of tester; e) length and number of test pieces tested; f) individual values and

    30、 mean (rounded to 1 %) of the flat crush resistance, in kilonewtons per metre length of core; g) any departure from the procedure specified in this part of ISO 11093 and any circumstances that may have affected the results. BS ISO 11093-9:2006blankBS ISO BSI389 Chiswick High RoadLondonW4 4AL11093-9:

    31、2006BSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. U

    32、sers of British Standards should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secre

    33、tary 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 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of stan

    34、dards.Buying standardsOrders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (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 in

    35、ternational standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European and international standards through its Library and its T

    36、echnical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-.Subscribing members of BSI are kept up to date w

    37、ith standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-.Information regarding online access to British Standar

    38、ds via British Standards Online can be found at http:/www.bsi- information about BSI is available on the BSI website at http:/www.bsi-.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except

    39、 as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI.This does not preclude the free use, in the

    40、 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.Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.


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