1、BRITISH STANDARD BS EN 2569:1991 Aerospace series Control cable fittings and turnbarrels Technical specification This European Standard EN 2569:1991 has the status of a British StandardBSEN2569:1991 This British Standard was published under the authority ofthe Standards Board and comesinto effect on
2、 30September1991 BSI 04-2000 The following BSI references relate to the work on this standard: Committee reference ACE/14 Draft for comment 90/70821 DC ISBN 0 580 19902 9 Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard was prepared
3、, comprises the national standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation G
4、ermany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Nor
5、malisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendme
6、nts issued since publication Amd. No. Date CommentsBSEN2569:1991 BSI 04-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 2569 3 National appendix NA (informative) Inside back coverBSEN2569:1991 ii BSI 04-2000 National foreword This British
7、Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN 2569, “Aerospace series Control cable fittings and turnbarrels Technical specification”, published by the European Committee for Standardization (CENELEC). EN 2569 was
8、 produced as a result of international discussion in which the United Kingdom took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard d
9、oes not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 12, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendm
10、ents incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2569 March 1991 UDC 629.7.05:621.854.1:621.85.058:658.56 Descriptors: Aeronautical industry, aircraft controls, metal cable, flexible cable, cable turnbarre
11、l components, specification English version Aerospace series Control cable fittings and turnbarrels Technical specification Srie arospatiale Embouts et tendeurs de cbles de commandes Spcification technique Luft- und Raumfahrt Seilschuhe und Spannschlsser fr Steuerseile Technische Lieferbedingungen T
12、his European Standard was approved by CEN on 6 March 1991. CEN members are bound to comply with the requirements of 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 bib
13、liographical references concerning such national standards may be obtained on application 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
14、of a CEN member into its own language and notified to the Central Secretariat has 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
15、, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1991 Copyright reserved to all CEN members Ref. No. EN 2569:1991 EEN2569:1991 BSI 04-
16、2000 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the O
17、fficial Services of the member countries of AECMA, prior to its presentation to CEN. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Net
18、herlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword 2 1 Scope and field of application 3 2 References 3 3 Definitions 3 4 Required characteristics, inspection and test methods 4 5 Quality assurance 9 6 Acceptance 10 7 Packaging and certificate of conform
19、ity 12 Figure 1 8 Figure 2 9 Table 1 4 Table 2 7 Table 3 7 Table 4 7 Table 5 Non destructive tests 9 Table 6 Destructive tests 10 Table 7 Non destructive tests 10 Table 8 Destructive tests 10 Table 9 10 Table 10 10 Table 11 11EN2569:1991 BSI 04-2000 3 1 Scope and field of application This standard s
20、pecifies the required characteristics, the qualification and acceptance inspections and tests for: end fittings swaged onto control cables; cable turnbarrel components; cable turnbarrel assemblies. 2 References ISO 2020, Aerospace Mechanical system parts Preformed flexible steel wire rope for aircra
21、ft controls Technical specification. ISO 2859, Sampling procedures and tables for inspection by attributes. ISO 5855-1, Aerospace constructions MJ threads Part 1: General requirements. ISO 5855-2, Aerospace constructions MJ threads Part 2: Limit dimensions bolts and nuts. EN 2000, Aerospace series Q
22、uality assurance EN aerospace products Approval of the quality system of manufacturers 1) . EN 2348, Aerospace series Control cable assemblies Technical specification. EN 2353, Aerospace series Turnbarrels, control cable in corrosion resisting steel Dimensions and loads. EN 2354, Aerospace series Ey
23、e-ends, threaded, control cable in corrosion resisting steel Dimensions and loads. EN 2355, Aerospace series Fork-ends, threaded, control cable in corrosion resisting steel Dimensions and loads. EN 2356, Aerospace series Fork-ends, threaded, control cable for rolling bearings in corrosion resisting
24、steel Dimensions and loads. EN 2357, Aerospace series Stud-ends in corrosion resisting steel swaged on type, control cable Dimensions and loads. EN 2358, Aerospace series Eye-ends in corrosion resisting steel swaged on type, control cable Dimensions and loads. EN 2359, Aerospace series Fork-ends in
25、corrosion resisting steel swaged on type, control cable Dimensions and loads. EN 2360, Aerospace series Fork-ends for rolling bearings in corrosion resisting steel swaged on type, control cable Dimensions and loads. EN 2361, Aerospace series Ball-ends, double shank in corrosion resisting steel swage
26、d on type, control cable Dimensions and loads. EN 2362, Aerospace series Ball-ends, in corrosion resisting steel swaged on type, control cable Dimensions and loads. EN 2363, Aerospace series Locking clips for turnbuckles of control cables Dimensions. EN 2516, Aerospace series Passivation of corrosio
27、n resistant steels 2) . EN 2609, Aerospace series Turnbarrels, control cable in copper-zinc alloy Dimensions and loads. 3 Definitions 3.1 end fittings for swaging onto control cables defined by standards EN 2357, EN 2358, EN 2359, EN 2360, EN 2361 and EN 2362 3.2 cable turnbarrel components defined
28、by standards EN 2353, EN 2354, EN 2355, EN 2356, EN 2363 and EN 2609 1) Published as AECMA standard at the date of publication of the present standard. 2) In preparation at the date of publication of the present standard.EN2569:1991 4 BSI 04-2000 3.3 cable turnbarrel assembly defined as the assembly
29、 of the following components: turnbarrel; locking clip; threaded junction parts (2) which can be fork-ends, eye-ends or stud-ends swaged on type. these various assemblies are not the subject of product standards 3.4 surface discontinuities crack rupture in the material which may extend in all direct
30、ions and which may be intercrystalline or transcrystalline in character score open surface defect which is the result from a metallic tearing lap surface defect caused by folding over metal particles or sharp edges which are then rolled or forged into the surface seam unwelded lap which appears as a
31、n open defect in the material 3.5 production batch a production batch comprises parts having the same identity block, manufactured in the same production sequence, produced from the same material batch and having undergone together the heat treatments 3.6 delivery batch two cases may arise: Homogene
32、ous batch made up of one and the same production batch: The sampling plan is applicable to the whole of the delivery batch. Heterogenous batch made up of different production batches: The sampling plan is applicable to each production batch. 4 Required characteristics, inspection and test methods Se
33、e Table 1. Table 1 Clause Characteristics Requirements Inspection and test methods Q a A b 4.1 Dimensions tolerances and masses Conforming with the product standards. Usual measuring instruments; threads: go/no-go gauge. X X 4.2 Materials Conforming with the product standards. Manufacturers test and
34、 acceptance certificates for semi-finished products may possibly be used for this check. X 4.3 Surface treatment Applies only for end-fittings for treatment swaging and turnbarrels in corrosion resisting steel. Conforming with the product standards. According to EN 2516. X X a Q = Qualification b A
35、= AcceptanceEN2569:1991 BSI 04-2000 5 Table 1 Clause Characteristics Requirements Inspection and test methods Q a A b 4.4 Surface roughness Conforming with the product standards. Usual instruments or visuo-tactile test samples. X 4.5 Surface appearance No surface discontinuities except those permitt
36、ed in 4.8 and 4.9. Usual inspection methods. X X 4.6 Marking Conforming with the product standards. Shall neither damage the material nor be detrimental to service quality. Visual inspection. X X 4.7 Left hand thread mark Conforming with the product standards. Visual inspection. X X 4.8 External thr
37、ead Rolled and without burrs. Visual inspection. X X See Figure 1. Microscopic section: X X on the finished parts for qualification; during manufacturing for acceptance. 4.9 Internal thread See Figure 2. Microscopic section: X X on the finished parts for qualification; during manufacturing for accep
38、tance. 4.10 Turnbarrel assembly device locking play Angular movement of the end-fittings in relation to the turnbarrel: see Table 2. w Hold the turnbarrel assemblies in a vice. X w Apply a torque to each end-fitting in turn: value: see Table 2; direction: clockwise then anti-clockwise. w Measure the
39、 angle of rotation of each end-fitting in relation to the barrel; while the torque is being applied; by means of the usual instruments. 4.11 Effectiveness of turnbarrel assemblies locking Locking clip: remain in place; retain its effectiveness. w Apply to the turnbarrel for 25 hours: X a longitudina
40、l tensile load equal to25% of the minimum breaking load specified in Table 4; vibrations with a frequency of 50 Hz and of 3,15 mm amplitude along a direction at right angle to the turnbarrel. w Check the turnbarrel assembly visually.EN2569:1991 6 BSI 04-2000 Table 1 Clause Characteristics Requiremen
41、ts Inspection and test methods Q a A b 4.12 Torsional strength of turnbarrel assemblies After the test: w Hold one end of the turnbarrel assembly in a vice. X neither cracks; nor distortions; w Apply to the other end a torque of the value indicated in Table 3 in the clockwise then in the anti-clockw
42、ise direction. nor failures; on any of the turnbarrel components. w Carry out this operation 5times (i.e. 10 reversals). w Check visually and/or by means of usual equipment. 4.13 Fatigue strength of turnbarrel assemblies under tensile load After the test in the right hand column: w Use a device whic
43、h can transmit the test load to the turnbarrel assembly under the conditions identical to those of its normal use. X neither permanent elongation greater than 0,1%; nor failure; on any of the turnbarrel components. NOTEIf this device has a swaged cable, the latter shall be: flexible; in conformity w
44、ith ISO 2020; of a diameter corresponding to that of the turnbarrel used; swaged in accordance with EN2348. w Screw the threaded end-fittings until their threads are no longer visible. w Apply an increasing and decreasing force between the maximum and minimum tensile loads specified in Table 4, long
45、itudinally to the turnbarrel assembly. w Carry out this operation 300times (i.e. 600 reversals). w Check visually and/or by means of usual equipment. 4.14 Ultimate strength of turnbarrel assemblies under tension After the test in the right hand column: no failure of the turnbarrel assembly component
46、s. w Use the same device as in 4.13. w Apply a tensile load equal to or greater than the cable breaking load given in Table 4, longitudinally to the turnbarrel assembly. X w Check visually and/or by means of usual equipment.EN2569:1991 BSI 04-2000 7 Table 2 Table 3 Table 4 Dimensions in millimetres
47、Nominal diameter of cable Torque (Nm) Max. angle of rotation ( ) 1,6 0,09 15 2,4 0,29 11 3,2 0,94 8 4,0 0,94 8 4,8 1,84 7 5,6 3,60 6 6,4 3,60 6 Dimensions in millimetres Nominal diameter of cable Torque (Nm) 1,6 0,9 2,4 2,9 3,2 9,4 4,0 9,4 4,8 18,4 5,6 36,0 6,4 36,0 Dimensions in millimetres Nominal
48、 diametre of cable Tension load limits (kN) Min. breaking load of cable a (kN) 1,6 from 0,4 to1,3 2,15 2,4 from 0,8 to2,6 4,45 3,2 from 1,7 to5,7 8,90 4,0 from 2,4 to8,0 12,45 4,8 from 3,7 to 12,0 18,60 5,6 from 5,0 to 16,0 24,90 6,4 from 6,0 to 20,0 31,20 a These values correspond to the cable with
49、 the highest performance (material, type of composition) for each nominal diameter given, see ISO 2020.EN2569:1991 8 BSI 04-2000 1) See ISO 5855-1 2) See ISO 5855-2 Thread flank discontinuities Figure 1 EN2569:1991 BSI 04-2000 9 5 Quality assurance 5.1 Manufacturer approval See EN 2000. 5.2 Qualification 5.2.1 End-fittings or turnbarrel components According to Table 5 and Table 6. The order o
