1、BRITISH STANDARD BS EN 1261:1995 Fibre ropes for general service Hemp The European Standard EN 1261:1995 has the status of a British Standard ICS 59.080.50BSEN1261:1995 This British Standard, having been prepared under the directionof the Sector Board forMaterials and Chemicals, waspublished under t
2、he authorityofthe Standards Boardand comes into effect on 15 November 1995 BSI 07-1999 The following BSI references relate to the work on this standard: Committee reference TCI/68 Draft for comment 93/314460 DC ISBN 0 580 24654 X Committees responsible for this British Standard The preparation of th
3、is British Standard was entrusted to Technical Committee TCI/68, Industrial textiles, upon which the following bodies were represented: Anglo-Scottish Fish Producers Organization Limited British Apparel and Textile Confederation British Marine Equipment Council British Paediatric Association British
4、 Polyolefin Textiles Association Camping and Caravanning Club Limited Camping and Outdoor Leisure Association Confederation of British Wool Textiles Limited Consumer Policy Committee of BSI Department of Trade and Industry Federation of Wire Rope Manufacturers of Great Britain Home Office Institute
5、of Trading Standards Administration Institution of Fire Engineers Made-up Textiles Association National Federation of Master Steeplejacks and Lightning ConductorEngineers Oldham and Rochdale Textile Employers Association Road Haulage Association Limited SATRA Footwear Technology Centre Scottish Offi
6、ce (Agriculture and Fisheries Department) Textile Finishers Association The following body was also represented in the drafting of the standard through a subcommittee and working group: Association of Load Restraint Equipment Manufacturers Amendments issued since publication Amd.No. Date CommentsBSE
7、N1261:1995 BSI 07-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 1261 3 List of references Inside back coverBSEN1261:1995 ii BSI 07-1999 National foreword This British Standard has been prepared by Technical Committee TCI/68 and is the Engli
8、sh language version of EN1261:1995 Fibre ropes for general service Hemp, published by the European Committee for Standardization (CEN). This British Standard partly supersedes BS2052:1989 which is withdrawn. A British Standard does not purport to include all the necessary provisions of a contract. U
9、sers of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding British Standard EN 701:1995 BS EN 701:1995 Fibre ropes for general service Ge
10、neralspecification EN 919:1995 BS EN 919:1995 Fibre ropes for general service Determination of certain physical and mechanical properties Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theENtitle page, pages 2 to 8, an inside back cover and a back cove
11、r. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1261 August 1995 ICS 59.080.50 Descriptors: Textiles, cordages, hemp, strands,
12、 characteristics, dimensions, linear density, breaking load, designation, marking, labelling English version Fibre ropes for general service Hemp Cordages en fibres pour usages divers Chanvre Faserseile fr allgemeine Verwendung Hanf This European Standard was approved by CEN on1995-07-02. CEN member
13、s 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 bibliographical references concerning such national standards may be obtained on application
14、 to the Central Secretariat 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 responsibility of a CEN member into its own language and notified to the Central Secretariat has the sam
15、e status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardizati
16、on Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 Copyright reserved to CEN members Ref. No. EN 1261:1995 EEN1261:1995 BSI 07-1999 2 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 248, T
17、extiles and textile products, the secretariat of which is held by BSI. The 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 February 1996, and conflicting national standards shall be withdrawn at the la
18、test by February 1996. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland
19、 and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Construction 3 5 Structure and properties 3 5.1 Rope geometry, dimensions and load factors 3 5.2 Manufacture 3 5.2.1 General 3 5.2.2 Spiral ropes 3 5.2.3 Round-plaited fibre ropes (type E) 5 5.3 Mo
20、de of delivery 5 6 Materials 5 7 Testing 6 8 Designation 6 9 Marking 6 9.1 Marker yarn 6 9.2 Marker tape 6 9.3 Label 6 Figure 1 Examples of laid ropes (types A, B, C) 4 Figure 2 Round-plaited fibre rope (type E) 5 Table 1 Dimensions and minimum breaking forceof rope types A, B and C 4 Table 2 Dimens
21、ions and minimum breaking forceof rope type E 5 Table 3 Plait pitch and rope cores 5 Table 4 Rope geometry 7 Table 5 Marking elements for hemp ropes 7EN1261:1995 BSI 07-1999 3 1 Scope This European Standard specifies requirements for3-, 4- and 9-strand laid ropes and plaited ropes made of hemp for g
22、eneral purposes. 2 Normative references This European Standard incorporates by dated or 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 amendm
23、ents to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 701:1995, Fibre ropes for general service General specification. EN 919, Fibre
24、 ropes for general service Determination of certain physical and mechanical properties. ISO 1968, Ropes and cordage Vocabulary. 3 Definitions For the purposes of this standard the definitions of ISO1968 and the following definitions apply. 3.1 plaited rope plait made of plaited sections with or with
25、out core 3.2 plait rope plaited in one direction (spiral plait) or in the opposite direction (cross plait) 3.3 plaited section element at the circumference of plaited ropes consisting of yarns or strands 3.4 number of plaited sections number of plaited sections at the circumference of plaited ropes
26、3.5 core bundle of rope yarns in the middle of the rope 3.6 preserving agent substance to increase the resistance of the cordage to rotting 4 Construction Hemp ropes produced in accordance with this European Standard shall be constructed in compliance with one of the following types (seealsoFigure 1
27、 and Figure 2): 5 Structure and properties 5.1 Rope geometry, dimensions and load factors Hemp ropes shall conform to the values given inTable 1 to Table 5 of this standard and the values given inEN701. 5.2 Manufacture 5.2.1 General The manufacture of ropes conforming to this standard shall be carri
28、ed out in the natural state of the yarns, strands and cores. Other requirements concerning structure and manufacture shall be in accordance with EN701. NOTEStrands may be polished (smoothed) to improve the characteristics of the rope. 5.2.2 Spiral ropes type A 3-strand hawser-laid rope; type B 4-str
29、and shroud-laid rope (for ropes with a nominal diameter $ 16 mm with core); type C 9-strand cable-laid rope; type E round-plaited fibre rope; with core for ropes with a number of plaited sections T $ 10.EN1261:1995 4 BSI 07-1999 Table 1 Dimensions and minimum breaking force of rope types A, B and C
30、NOTEA core is necessary for ropes with d $ 16mm for type B. Figure 1 Examples of laid ropes (types A, B, C) Nominal rope diameter d b Linear density under tensile loading anominal value Minimum breaking force mm ktex c daN Type Type Tolerance onA, B, C Type A B C A and B C A B C 4 12 10 % 130 6 27 2
31、85 8 47 500 450 10 74 780 700 12 111 1165 1080 14 141 1485 1375 16 185 960 1825 18 230 2420 2250 20 285 3000 2780 22 345 3600 3240 24 410 4270 3980 26 485 4950 4600 28 560 5820 5410 30 640 610 6680 6180 3 840 32 735 700 7620 7090 4 390 36 930 880 9200 8560 5 300 40 1 150 1 090 5 % 10700 9980 6 180 4
32、4 1 380 1 310 12700 11800 7 330 48 1 660 1 560 15200 14100 8740 52 1 920 1 820 17800 16700 10200 56 2 240 2 120 20500 19100 11800 60 2 520 2 390 22600 21000 12700 64 2 920 2 770 26000 24200 14900 72 3 690 3 500 32400 30100 18600 80 4 570 4 340 39700 36900 22800 88 5 500 5 220 47100 43700 27000 96 6
33、550 6 220 54800 51000 31500 a For tensile loading see EN 919. b The nominal rope diameter is the reference number of the rope. Measurement of rope diameter shall be according to EN 919. c The linear density (in kilotex) refers to the net mass (in grams per metre) or the mass of the fibre ropes (in k
34、ilograms per kilometre).EN1261:1995 BSI 07-1999 5 5.2.3 Round-plaited fibre ropes (type E) Table 2 Dimensions and minimum breaking force of rope type E Table 3 Plait pitch and rope cores 5.3 Mode of delivery Packing, length of delivery, labelling and invoicing shall be in accordance with EN701 and r
35、opes shall be designed and marked in accordance with clauses8 and 9. Preserving agents, if used, shall be indicated on the package. 6 Materials Long fibre yarns used for hemp cordage shall exclusively consist of new hemp (Cannabis sativa L) with an approximate density of 1,35 kg/dm 3 . When processi
36、ng the fibres to produce rope yarns the admixture of other natural fibres may be present. Length of pitch l 2according to Table 4 Figure 2 Round-plaited fibre rope (type E) Nominal rope diameter d b Linear density under tensile loading a Minimum failure force tolerance mm ktex c daN 3 4,8 41 4 8,3 7
37、5 6 18,2 165 8 32 10 % 305 10 49 445 12 70 640 14 95 860 16 115 5 % 1100 18 145 1400 a For tensile loading see EN 919. b The nominal rope diameter is the reference number of the rope. Measurement of rope diameter shall be in accordance with EN919. c The linear density (in kilotex) refers to the net
38、mass (in grams per metre) or the mass of the fibre ropes (in kilograms per kilometre). Number of plait pitch T 6 8 10 12 16 18 20 24 32 36 40 48 without core with core (not for ropes with a nominal diameter of 3 mm)EN1261:1995 6 BSI 07-1999 7 Testing Sampling and testing of hemp fibre ropes shall be
39、 in accordance with EN919. 8 Designation The designation of a rope in accordance with this standard shall be given in the following form: NOTEThe example given is for a hemp fibre rope of type A. 9 Marking Ropes shall be marked in accordance with EN701 and additional specifications of this standard.
40、 For ropes with a nominal diameter $ 16 mm a marker tape shall be present. Hemp ropes shall contain the marking elements given inTable 5. 9.1 Marker yarn The marker yarn (which may be combined with a marker tape) shall show the marking of the constituent material in the following way: 9.2 Marker tap
41、e The marker tape shall indicate the following manufacturing designations: name or sign of the manufacturer; year of production; number of this standard EN1261; ropes for sea shipping shall be marked additionally with the certification number of a classification company. NOTEFor safety reasons the y
42、ear of production is important. 9.3 Label The label of each delivered length (coil) shall contain the designation in accordance with EN701 and additionally the year of production: number: one marker yarn colour: green Example: Material of the rope: Hemp Main number of the standard: EN 1261 Nominal d
43、iameter in mm: 52 Delivered length in m: 200 Manufacturer/supplier: XYZ cordage Year of production: 1995EN1261:1995 BSI 07-1999 7 Table 4 Rope geometry Table 5 Marking elements for hemp ropes Type A 3-strand Type B 4-strand with core a Type C 3 layers of strands (9strands) Type E round-plaited fibre
44、 with core Type of lay Hawser-laid Shroud-laid Cable-laid Round-plaited Rope twist Z Z S Rope lay l 1max. 3,5 d; up to d = 96 mm Plait pitch mm l 2max. 3,7 d; d $ 4 mm Rope yarn Fibre according to clause 6, rope twist in accordance with 4.2 of EN 701:1995 Rope strand Each strand shall consist of the
45、 same number of yarns Rope core Either as a strand or a laid or round-plaited fibre rope of appropriate diameter Bundle of yarns twisted or plaited intoa strand. The mass percentage of the core is not specified a A core shall be for type B ropes for d $ 16 mm. Nominal rope diameter d mm Marker yarn
46、b Marker tape b Label a from 3 to 6 w from 8 to 14 w w from 16 to 96 w w w w = marking is mandatory = marking may be omitted for manufacturing reasons a On rope delivery lengths. b Marker yarn and marker tape are incorporated into the rope.8 blankBSEN1261:1995 BSI 07-1999 List of references See nati
47、onal foreword.BS EN 1261:1995 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. R
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