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1、BRITISH STANDARD AEROSPACE SERIES BS 5F 59:2002 (Superseding BS 4F 59:1985) Braided linen (flax) cord for aerospace purposes ICS 49.025.60 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 This British Standard, having been pre
2、pared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Sector Policy and Strategy Committee on 17 October 2002 BSI 17 October 2002 First published BS F 59:1947 Second edition BS 2F 59:1960 Third edition BS 3F 59:1975 Fourth edition
3、 BS 4F 59:1985 Fifth edition BS 5F 59:2002 The following BSI references relate to the work on this standard: Draft for comment 00/707930 DC Committee reference ACE/22 ISBN 0 580 37032 1 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technic
4、al Committee ACE/22, Cords, ropes and threads for aerospace purposes, upon which the following bodies were represented: Linen Sewing Threads Manufacturers Association Ministry of Defence UK Defence Standardization Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. N
5、o.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 BSI 17 October 2002 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3General1 4Yarn1 5Finish2 6Construction and p
6、roperties2 7Identification2 Bibliography3 Table 1 General requirements (given in BS F 100)1 Table 2 Construction and properties2 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 ii BSI 17 October 2002 Foreword This British Stand
7、ard, prepared under the direction of Technical Committee ACE/22, is one of a series for textiles of a quality suitable for aerospace purposes. It supersedes BS 4F 59:1985 which is withdrawn. NOTEThe previous edition, BS 4F 59:1985, deleted cord designations 4, B and 10 and required all cords to be s
8、upplied rotproofed. This new edition incorporates all earlier amendments, updates references and improves nomenclature in line with other standards in the same series. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct appli
9、cation. Compliance with a British Standard does not of itself confer immunity from legal obligations. WARNING NOTES This standard calls for the use of substances and/or test procedures that may be injurious to health if adequate precautions are not taken. It refers only to technical suitability and
10、in no way absolves either the supplier or the user from statutory obligations relating to health and safety at any stage of manufacture or use. This standard specifies pentachlorophenyl laurate (PCPL) as the only approved rotproofing treatment for aerospace textiles. Alternative treatments are under
11、 development, and this standard will be updated to delete PCPL as soon as an approved alternative treatment for aerospace textiles is available. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 3 and a back cover. The BSI copyright notice disp
12、layed in this document indicates when the document was last issued. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 BSI 17 October 2002 1 1 Scope This British Standard specifies requirements for four sizes of braided linen (fla
13、x) cord for aerospace purposes. NOTEThe latest revision of an Aerospace Series standard is indicated by a prefix number. 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
14、 references, the latest edition of the referenced document (including any amendments) applies. BS F 100, Procedure for inspection and testing of textiles. BS 2087-1, Preservative treatments for textiles Specification for treatments. BS EN ISO 2060:1995, Textiles Yarn from packages Determination of l
15、inear density (mass per unit length) by the skein method. 3 General In addition to the requirements specified in Clause 4, Clause 5, Clause 6 and Clause 7 of this standard the requirements and tests given in the latest edition of BS F 100 as specified in Table 1, shall apply. Table 1 General require
16、ments (given in BS F 100) 4 Yarn 4.1 The cord shall be manufactured from flax fibre (Linum usitatissimum). 4.2 The mass of the yarn shall have been reduced by not less than 10 % by boiling. NOTEThe degree of boiling of the yarn should be determined from the manufacturers records, if available. Other
17、wise, the residual alkali solubility of the cord should be determined and should not exceed 10 %. 4.3 For cords designated 1 and 2, single yarns may be used. For the other cords, designated 3 and A, the yarns shall be not less than 2 ply. Section of BS F 100 Section titleRequirements and tests 1Gene
18、ralAll requirements 2Quality requirements Requirements for manufacture of cordage only Requirements for dyed textiles except those related to fabric intended for coating Requirements for dimensions and tolerances of length of cordage except those relating to laid ropes Requirements for freedom from
19、corrosive impurities (see BS F 100, Section 4) Requirements for freedom from faults of braided cordage only 3Physical tests Tests for breaking strength and extension under force Tests for plaits per unit length in braided cordage 4Chemical tests Test for residual alkali solubility If required by BS
20、F 100, Section 2: test for conductivity of aqueous extract; test for pH value of aqueous extract; test for water soluble chloride; test for water soluble sulfate. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 2 BSI 17 October
21、 2002 5 Finish 5.1 Condition of material The cord shall be supplied in one of the following conditions: a) undyed and rotproofed; b) dyed and rotproofed. 5.2 Dyeing Where dyeing is required, the colour shall be specified either by reference to a British Standard, e.g. BS 381C or otherwise by pattern
22、. 5.3 Rotproofing The cord shall be treated with pentachlorophenyl laurate (PCPL) from aqueous emulsion, in accordance with BS 2087-1, normal process. 6 Construction and properties 6.1 The cord shall be plaited on machines with 8, 12 or 16 carriers. Each carrier shall bear one yarn or pair of yarns.
23、 6.2 The cord shall conform to the requirements given in Table 2 and the braid interlacing shall be one under two over two. Table 2 Construction and properties 7 Identification The cord shall be identified for ordering purposes by the number of this British Standard, i.e. BS 5F 59, together with the
24、 relevant designation given in Table 2 and, if required dyed, the colour. NOTEThis identification may be codified. For example, Cord 1 required dyed black may be identified as “BS 5F 59/Cord 1/black”. DesignationMaximum linear densitya Plaits per metre (7.5 %)Minimum breaking strength 8 carrier mach
25、ine 12 carrier machine 16 carrier machine texN Cord 11 100420545625220 Cord 22 150300375445445 Cord 33 700235300345665 Cord A7 4501652102451 350 a The maximum linear density shall be determined in accordance with BS EN ISO 2060:1995, Option 1. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 1
26、3:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5F 59:2002 BSI 17 October 2002 3 Bibliography BS 381C:1996, Specification for colours for identification, coding and special purposes. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 13:38:28 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5
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