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    BS ISO 8188-2007 Textile machinery and accessories - Pitches of knitting machines《纺织机械与附件 针织机针距》.pdf

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    BS ISO 8188-2007 Textile machinery and accessories - Pitches of knitting machines《纺织机械与附件 针织机针距》.pdf

    1、BRITISH STANDARD BS ISO 8188:2007 Textile machinery and accessories Pitches of knitting machines ICS 59.120.40 BS ISO 8188:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2007 BSI 2007 ISBN 978 0 580 56355 3 National foreword

    2、 This British Standard is the UK implementation of ISO 8188:2007. The UK participation in its preparation was entrusted to Technical Committee TCI/33, Textile machinery. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purpo

    3、rt to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments Reference number ISO 8188:2007(E)INTERNATIONAL STA

    4、NDARD ISO 8188 Second edition 2007-07-15 Textile machinery and accessories Pitches of knitting machines Matriel pour lindustrie textile Pas des mtiers tricoter BS ISO 8188:2007ii iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bod

    5、ies (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 organization

    6、s, 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 in the I

    7、SO/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 % of the

    8、 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 8188 was prepared by Technical Committee ISO/TC 72, Textile machin

    9、ery and accessories, Subcommittee SC 3, Machinery for fabric manufacturing including preparatory machinery and accessories. This second edition cancels and replaces the first edition (ISO 8188:1986), which has been technically revised. BS ISO 8188:2007 blank 1 Textile machinery and accessories Pitch

    10、es of knitting machines 1 Scope This International Standard specifies the pitches for knitting machines used in the textile industry. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies

    11、. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 7839, Textile machinery and accessories Knitting machines Vocabulary and classification 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 78

    12、39 and the following apply. 3.1 pitch t distance between the centres of two adjacent needles in the same needle carrier, in millimetres, with full use of needles 3.2 gauge 3.2.1 gauge E E number of needles, n, per reference length of 25,4 mm with full use in the needle carrier: 25,4 mm n E = 3.2.2 g

    13、auge F F number of needles, n, per reference length of 25,0 mm with full use in the needle carrier: 25,0 mm n F = BS ISO 8188:20072 4 Pitch according to machine type 4.1 Flat knitting machines The pitch of a flat knitting machine shall be determined by measurement of the centreline spacing of two ne

    14、edles in the plane needle carrier (see Figure 1). Key 1 needle carrier (e.g. needle bar, needle bed) 2 needle 3 centreline of needles t pitch Figure 1 Pitch of flat knitting machine BS ISO 8188:2007 3 4.2 Circular knitting machines The pitch, t, of a circular knitting machine shall be calculated usi

    15、ng Equation (1) (see Figure 2): max d t n = (1) where d is the nominal diameter, expressed in millimetres (mm); n maxis the maximum number of needles in the needle carrier. Key 1 needle carrier (e.g. needle cylinder) d nominal diameter of machine Figure 2 Pitch of circular knitting machine BS ISO 81

    16、88:20074 5 Dimensions For flat knitting machines, the pitches and gauges shall be in accordance with Tables 1 or 2, as applicable. For circular knitting machines, the pitches and gauges given in Table 1 are to be considered as guide values, since construction-dependant deviations are possible. Table

    17、 1 Pitch t Gauge E Pitch t mm Gauge E Pitch t mm Gauge E 0,508 0,529 0,552 0,577 0,605 0,635 0,668 0,706 0,747 0,794 0,847 0,907 0,977 1,058 1,154 1,21 1,27 1,337 1,411 1,494 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 21 20 19 18 17 1,588 1,693 1,814 1,954 2,117 2,309 2,54 2,822 3,175 3,629 4,233

    18、5,08 5,644 6,35 7,257 8,467 10,16 12,7 16,933 25,4 16 15 14 13 12 11 10 9 8 7 6 5 4,5 4 3,5 3 2,5 2 1,5 1 BS ISO 8188:2007 5 Table 2 Pitch t Gauge F Pitch t mm Gauge F 1,042 1,136 1,25 1,389 1,563 1,786 2,083 2,5 2,778 3,125 3,571 4,167 5 5,556 6,25 7,143 8,333 10 12,5 16,667 25 24 22 20 18 16 14 12

    19、 10 9 8 7 6 5 4,5 4 3,5 3 2,5 2 1,5 1 6 Notation, designation The notation of the gauge of a knitting machine shall be given, depending on its reference length, as either E or F, together with the gauge number. EXAMPLE A gauge 14 of nominal length of 25,4 mm is given as E14. When reference is made i

    20、n commercial transactions to the pitch or gauge of a circular knitting machine, the total number of needles in the needle carrier shall also be specified. BS ISO 8188:2007BS ISO 8188:2007 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body

    21、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. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest

    22、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 Secretary of the technical committee responsible, the identity of which can

    23、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 standards. Buying standards Orders for all BSI, international and foreign

    24、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 international standards, it is BSI policy to supply the BSI implement

    25、ation 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 through its Library and its Technical Help to Exporters Service. Various BSI electronic inform

    26、ation 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 with standards developments and receive substantial discounts on

    27、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 Standards via British Standards Online can be found at http:/www.bsi-

    28、Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patent

    29、s 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 course of implementing the standard, of necessary d

    30、etails 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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