1、. I. CEN EN*:12bL 95 e 3404589 OLL2252 970 BRITISH STANDARD Fibre ropes for general service - Hemp The European Standard EN 1261 : 1995 has the status of a British Standard BS EN 1261 : 1995 CEN ENal2b3 95 3404589 0332253 807 15 November 1995 Amd. No. Date O BSI 1995 Bs EN 1261 : 1995 lxt affected C
2、ommittees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee KI/68, Industrial textiles, upon which the following bodies were represented: Anglo-Scottish Fish Producers Organization Limited British Apparel and Textile Confederation Bri
3、tish Marine Equipment Council British Paediatric Association British 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 Federatio
4、n of Wire Rope Manufacturers of Great Britain Home Office Institute of Trading Standards Administration Institution of Fire Engineers Made-up Textiles Association National Federation of Master Steeplejacks and Lightning Oldham and Rochdale Textile Employers Association Road Haulage Association Limit
5、ed SATRA Footwear Technology Centre Scottish Office (Agriculture and Fisheries Department) “Wile Finishers Association Conductor Engineers The following body was also represented in the drafting of the standard through a subcommittee and working group: Association of Load Restraint Equipment Manufac
6、turers The following BSI references relate to the work on this standard: Committee reference TCI/68 Draft for comment 931314460 DC ISBN O 680 24864 X I I I I BS EN 1261 : 1995 Contents Committees responsible National foreword Page Inside front cover 11 Fore word Text of EN 1261 2 3 i CEN EN*32b3 95
7、W 3404589 0332255 b8T BS EN 1261 : 1995 Nat ional foreword This British Standard has been prepared by Rchnical Committee TcIl68 and is the English language version of EN 1261 : 1995 Fibre roprnsfor genmul scwice - ZZmp, published by the European Committee for Standardization (CEN). This British Stan
8、dard partly supersedes HS 2052 : 1989 which is withdrawn. Cross-references Publication referred to EN 701 : 1995 EN 919 : 1995 Corresponding British Standard BS EN 701 : 1995 Fibre ropes for gmul smice - General specification BS EN 919 : 1995 Fire ropes for general smice - Determination of certain p
9、hysical and mechanical properties Compliance with a British Standard does not of itself confer immunity from legal obligations. 11 CEN EN*L2bL 95 E 3404589 0312256 5Lb Is EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1261 August 1995 ICs 59.080.50 Descriptors: Textiles, cordages, hemp, strand
10、s, 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 on 1995-07-02. C
11、EN members are bound to comply with the CENCENELEC 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 app
12、lication 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
13、 the same 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 Stand
14、ardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B- 1050 Brussels O 1995 Copyright reserved to CEN members Ref. No. EN 1261 : 1995 E CEN EN*L2bL 95 W 3404589 0332257 452 Page 2 EN 1261 : 1995 Foreword This European Standard has been pr
15、epared by the Technical Committee CEN/TC 248, Textiles 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
16、national standards shall be withdrawn at the latest 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, Netherland
17、s, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Foreword 1 Scope 2 3 4 5 5.1 5.2 5.2.1 5.2.2 5.2.3 5.3 6 7 8 9 9.1 9.2 9.3 Normative references Definitions Construction Structure and properties Rope geometry, dimensions and load factors Manufacture General Spiral rop
18、es Round-plaited fibre ropes Mode of delivery Materials Testing Designation Marking Marker yarn Marker tape Label (type E) Page 2 3 3 3 3 3 CEN EN*L261 95 H 3404589 OLL2258 399 M 1 Scope This European Standard specifies requirements for 3-, 4- and 9-strand laid ropes and plaited ropes . made of hemp
19、 for general 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
20、amendments 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 Fibre
21、 ropes for general service - Determination of certain physical and mechanical properties Ropes and cordage - Vocabulary EN 919 IS0 1968 3 Definitions For the purposes of this standard the definitions of IS0 1968 and the following definitions apply. 3.1 plaited rope Plait made of plaited sections wit
22、h or without 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 pl
23、aited ropes. Page 3 EN 1261 : 1995 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
24、 the following types (see also figures 1 and 2): type A 3-strand hawser-laid rope; type B 4-strand shroud-laid rope (for ropes with a nominal diameter L 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 2 10. 5
25、 Structure and properties 5.1 Rope geometry, dimensions and load factors Hemp ropes shall conform to the values given in table 1 to 5 of this standard and the values given in EN 701. 5.2 Manufacture 5.2.1 General The manufacture of ropes conforming to this standard shall be carried out in the natura
26、l state of the yarns, strands and cores. Other requirements concerning structure and manufacture shall be in accordance with EN 701. NCYE. Strands may be polished (smoothed) to improve the charactenstics of the rope. CEN EN*1263 95 W 340q589 O332259 225 Page 4 EN 1261 : 1995 6.2.2 Spiral mpes type A
27、 hawser-laid 3-strand type B shroud-laid 4-strand type C 4, type.4 cable-laid (9-strand) 3 layers of strands in accordance with table 4 I, NOTE. A core is necessary for ropes with d z 16 mm for type B. Figure 1. Examples of laid ropes (types A,B,C) hble 1. Dimensions and minimum breaking force of ro
28、pe types A, B and C Uominai rope diameter d2) nm Linear density under breaking force nominai value ktes) Type C AandB B C 4 I 12 130 285 - 6 8 27 47 450 LO 12 74 111 700 1 089 1 375 1 825 2 250 2 780 3 240 3 980 4 600 5 410 6 180 7 O90 I I 1 165 ;i 880 1 485 960 2 420 3 O00 3 600 4 270 4 950 5 820 6
29、 680 7 620 141 185 14 16 18 !O !2 !4 !6 230 285 345 410 485 !8 30 32 560 640 735 3840 4390 36 LO 10 700 12 700 15 200 ! 17 800 930 1150 1380 1660 1920 8 560 9 980 11 800 14 100 16 700 5300 6180 7330 8 740 10 200 *5 % -I 1820 i2 i6 i0 i4 72 2240 2520 19 100 21 O00 11 800 12 700 26 O00 39 700 47 100 5
30、4 800 24 200 30 100 36 900 1.3 700 51 O00 2920 3690 1570 5500 3550 14 900 18 600 22 800 27 O00 31 500 $0 I8 )6 For tensile loading see EN 919. 5220 6220 The nominal rope diameter is the reference number of the rope. Measurement of rope diameter shall be according to EN 919. The linear density (in ki
31、lotex) refers to the net mass (in grams per metre) or the mass of the fibre ropes (in kilograms per .ilometrel. CEN EN*12bL 95 U 3404589 0332260 TY7 Page 5 EN 1261 : 1995 5.2.3 Round-plaited Bbre ropes (tgpe E) type E round-plaited fibre Length of pitch I, according to table 4 Figure 2, Round-plaite
32、d fibre rope (type E) hble 2. Dimensions and minimum breaking force of rope type E Nominal Ape diameter d2) mm 3 4 6 8 10 12 14 16 18 Linear density under tensile loading) tolerance ktex3) 498 8,3 18,2 32 49 70 95 115 145 f 10 % f5% Minimum failure force aN 41 75 165 305 446 640 860 1100 1400 1) For
33、 tensile loading see EN 919. 3) The linear density (in kilotex) refers to the net mass (in grams per metre) or the mass of the fibre ropes (in kilograms per kilometre). The nominal rope diameter is the reference number of the rope. Measurement of rope diameter shali be in accordance with EN 919. I %
34、ble 3. Plait pitch and rope cores 1 1 Number of plait pitch T 1 6 18 110 12 16 18 (20 124 (32 (36 (40 (48 without core 1 with core not for ropes with a nominal diameter of 3 mm) - CEN EN*l2bl 95 W 3404587 OLL22bL 983 Denomination - I Page 6 EN 1261 : 1995 me A Type 3 me c %strand Cstrand with core)
35、3 layers of strands 19 strands) 5.3 Mode of delivery Packing, length of delivery, labelling and invoicing shall be in accordance with EN 701 and ropes shall be designed and marked in accordance with clauses 8 and 9. Preserving agents, if used, shall be indicated on the package. 5Pe E round-plaited f
36、ibre with core 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/dm3. When processing the fibres to produce rope yarns the admixture of other natural fibres may be present. Rope twist Iz lz Is 7 mstin
37、g Sampling and testing of hemp fibre ropes shall be in accordance with EN 919. - Rope strand Rope core 9 Marking Ropes shall be marked in accordance with EN 701 and additional specifications of this standard. For ropes with a nominal diameter 1 16 mm a marker tape shall be present. Hemp ropes shall
38、contain the marking elements given in table 5. Each strand shall consist of the same number of yarns - Either as a strand - Bundle of yarns or a laid or round-plaited fibre rope of appropriate diameter the core is not twisted or plaited into a strand. The mass percentage of specified Nominal rope di
39、ameter d Marker yarn2) Marker tape2) mm Label) Rope lay 111 mm. 3,5 d; up to d = 96 mm l- Plait pitch mm I- 12 mm. 3,7 d; dr4mm I- l. - I. from 3 to 6 1- from 8 to 14 I. I from 16 to 96 I. I. I. = marking is mandatory - = marking may be omitted for manufacturing reasons i) On rope delivery lengths.
40、2, Marker yarn and marker tape are incorporated into the rope. Page 7 EN 1261 : 1995 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: - number: one marker yarn - colour: green 9.2 Marker tape The marke
41、r tape shall indicate the following manufacturing designations: - name or sign of the manufacturer; - year of production; - number of this standard EN 1261; - ropes for sea shipping shall be marked additionally with the certification number of a classification company. NOTE. For 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 EN 701 and additionally the year of production: Emmple: Material of the rope: Hemp Main number of the st andard : Nominal diameter in mm: 52 EN 1261 Delivered length i
43、n m: 200 Manufacturer/supplier: XYZ cordage Year of production: 1995 CEN EN*L2bL 95 U 3404589 OLL2263 75b BS EN 1261 : 1995 List of references See national foreword. BS EN 1261 : 1996 BSI 389 Chiswick High Road London W4 4AL 9511- 6- 0.4k- RTL BSI - British Standards Institution BSI is the independe
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