1、Document 97/703907Dc Draft for Public Comment Latest date for receipt of comments Project No !% 1952 31 May 1997 ACE/6/2 Our ref Sub-cannittee ACE/6/2 Aerospace - Cables Date Jp February 1997 CAEIXS, ELM;TRICAL, FOR DIGITAL DATA TRANSMISSIONS PART O01 : TECHNICAL SPECIFICATION (prEN 3375-001) This d
2、raft is now available for public comment and your views and technical comments on it would be appreciated. If you have no specific comments to make but find it generally acceptable it would be helpful if you would notify us accordingly Suggestions entailing revision of the text should indicate the p
3、referred wording. Please quote the relevant clause number against any comment. The co-ordination of the requirements of this draft with those of any related standards is of particular importance and you are invited to point out any areas where this may be necessary All comments should be sent to the
4、 Committee Secretary rn F P ,sim at the London address below. The comments received will be passed to the committee concerned for its consideration; no acknowledgement will normally be sent. Requests for purchase of further copies of this draft should be sent to: Custo r Services, at the head office
5、 address below. Telephone 0181 996 7000, fax 0181 996 7001. 7.50 to Subscribing Member who will be invoiced. Non-members should send a remittance of i? is - O0 together with an addressed label. PriceT Orders not accompanied by a remittance will be subject to a delay. THIS IS A DRAFT AND MUST NOT BE
6、REGARDED OR USED AS A BRITISH STANDARD Head office 389 Chiswick High Road London W4 4AL Telephone O181 996 9000 FLur 0181 996 7400 97/703%7Dc Form 38: lart i 930 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reprodu
7、ction or networking permitted without license from IHS-,-,-Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BSI COMMITTEES TO WHOSE MEMBERS THIS DRAFT H
8、AS ALSO BEEN SENT STANDARDS COMMITTEE SECRETARY ONLY TECHNICAL COMMITTEE ACE/6 AEROSPACE AVIONIC ELECTRICIAL AND FIBRE E/- SECTOR BOARD FOR ENGINEERING OPTIC TECHNOLOGY SUB-COMMITTEE ACE/6/2 _- AEROSPACE - CABLES _- CONSTITUTION ORGANIZATIONS REPRESENTED _-_- . BRITISH AIR 5 BRITISH APPROVALS SERVIC
9、E FOR CABLES BRITISH CABLE MAKERS CONFEDERATION BRITISH HYDROMECHANICS RESEARCH GROUP CIVIL AVIATION AUTHORITY EUROPEAN SPACE AGENCY MINISTRY OF DEFENCE SOCIETY OF BRITISH AEROSPACE COMPANIES LIMITED - A2 - 97/703947 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided
10、by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license fr
11、om IHS-,-,-prEN 3375-001 DRAFT EUROPEAN (AECMA) AEROSPACE STANDARD This DPC refers to a draft text currently at the PPN ballot stage within a Technical Committee of AECMA (The European Association of Aerospace Industries). The voting period within the AECMA Technical Committee is two months from the
12、 date of despatch of the document and this will be completed before the expiry of the DPC comment date. Any comments received as a result of the DPC, after the expiry of the PPN ballot, will be reviewed by the BSI Committee and taken into account when they consider the UK view and vote on a possible
13、 BS EN publication. ) AECMA consists of the national aerospace trade associations from nine European countries, the UK member being SBAC (Society of British Aerospace Companies). AECMA has been given a mandate by CEN to prepare all European aerospace standards on its behalf. Copyright Association Eu
14、ropeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for Resal
15、eNo reproduction or networking permitted without license from IHS-,-,-AECMA STANDARD prEN 3375-001 NORME AECMA DRAFT Date : january 97 AECMA NORM Edition : STUDY : C2/GT 2 DRAFT No : 4E STAGE : 16-2 Ref:SecrEB . Superseding Ref: 3E 09/96 ENGLISH VERSION Aerospace series Cables, electrical, for digit
16、al data transmissions Part O01 : Technical specification Srie arospatiale Cbles lectriques pour transmissions de donnes numriques Partie O01 : Spcification technique Master document : French Sponsor : Lut- und Raumfahrt Elektrische Leitungen fr Digitaldaten bertragungen Teil O01 : Technische Lieferb
17、edingungen T;E EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Gulledelle 94, BNAE -1200 Bruxelles Tel : (32) 2 775 8110 Fax : (32) 2 775 8111 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproductio
18、n or networking permitted without license from IHS-,-,-Page 2 prEN 3375-001 : 1997 Contents list 1 2 3 4 5 6 7 8 9 10 Scope Normative references Definitions and symbols Cable composition Marking Tests Qua I ifica t io n Acceptance Packing, labelling Designation Copyright Association Europeene des Co
19、nstructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 3375-001 : 1997 1 Scope This standard defines the electrical, mechanical and environmental Characteristics, as well as the qualif
20、ication and acceptance conditions for signal data transmission electrical cables. The performance of the corresponding cables is specified in each of the product standards. 2 Normative references This European standard includes the provisions of other publications referred to ,by date or otherwise.
21、These reference standards are quoted in appropriate places in the text and the publications are listed below. For dated references, subsequent amendments to or revisions of any of these publications are only applicable to this European standard if they have been incorporated therein by amendment or
22、revision. For undated references, the last issue of the publication referred to is applicable. IS0 2574 Aircraft - Electrical cables - marking EN 3042 Aerospace series. Quality assurance EN aerospace products - Qualification procedure EN 3475-1 O0 Aerospace series - Electrical cables - Test methods
23、Part 1 O0 - General iN 2083 Aerospace series - Copper or copper alloy conductors in electrical cables iN 2084 Aerospace series - General purpose single core electrical cables with copper or copper alloy conductors. Technical specification. iN 2235 Aerospace series - Single and multicore shielded and
24、 sheathed electrical cables. Technical specification. iN 2812 235 and EN 2346. Aerospace series - Stripping of electrical cables defined by standards EN 2084, EN 2234, EN Definitions and symbols Lee EN 3475 Definitions Part 100. Cable composition The composition, dimensions and weight of the cable s
25、hall conform to the characteristics below, as well as the values specified in the product standards. 4.1 Conductor 4.1.1 - Material Conforming to EN 2083. 4.1.2 - Construction Conforming to EN 2083. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under licen
26、se with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 3375-001 : 1997 4.2 Insulated conductor Ccnforming to EN 2084, except for the marking specified in the product standard. 4.3 Assembly The cable lay shall be such that the required characterist
27、ics are maintained. Fillers may be used if they are required to obtain the sought-after characteristics. Conductors shall not be spliced. The assembly may be held together with an overall wrap. 4.4 Screening 4.4.1 Material The materials used for screening are defined in the product standards. The sc
28、reen strands shall conform to standard EN 2083. The screen strands or strips shall be free of i nks or cracks and their surface shall have no corrosion at all or any other impurities. 4.4.2 Construction 4.4.2.1 General remarks Depending on protection level, the screening may be composed of: - One or
29、 several spiral layers One or several braids made using strands or strips One or several metallic or other strips One or several layers of extruded conductive or non-conductive materials A combination of the above. - - - - The screening may be individual and/or overall. Splices of the individual str
30、ands or strips may be effected by brazing, soldering or folding in. The number of splices shall not exceed 1 per 3 m length of cable. 4.4.2.2 Screen coverage Coverage, if specified, is determined in accordance with EN 2235, type B. 4.5 Outer jacket Conforming to EN 2235. 4.6 Colours of components an
31、d jacket See product standard. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 5 prEN 3375-001 : 1997 5 Marking Except where specified otherwise,
32、the marking shall comprise the cable reference (see clause 10) appearing in the product standard, the country and manufacturer codes and the last two figures of the year of manufacture in conformity with IS0 2574. It is applied to the outer sheath. The colour of the marking is given by the cable des
33、ignation in conformity with clause 10. The marking may be done wholly or partially in code form by agreement with the user. 6 Tests Tests in accordance with EN 3475 EN 3475 Title test no. Carried out on Component ) Cable 201 202 203 301 302 03 04 05 O1 02 03 04 05 06 07 08 o9 10 11 12 o1 02 03 - 04
34、505 506 507 508 509 51 O 51 1 51 2 Visual inspection Weight Dimensions Electrical resistance per unit length Voltage proof test Insulation resistance Surface resistance Overload resistance Accelerated ageing Shrinkage and delamination Delamination and blocking Thermal shock Bending at ambient temper
35、ature Cold bend test Flammability Fire resistance Air excluded ageing Thermal endurance Resistance to fluids Humidity resistance Dynamic cut-through Notch propagation Scrape abrasion Torsion Tensile test on conductors and strands Plating continuity Adherence of plating Plating thickness Solderabilit
36、y Tensile strength and elongation of extruded insulation, sheath and jacket materials Cable to cable abrasion Flexure endurance Applicable Not applicable Applicable Not applicable Not applicable Not applicable Applicable Not applicable Not applicable Not a p pl ica ble Not applicable Not applicable
37、Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Applicable Applicable Applicable Applicable Applicable Not applicable Not applicable Applicable Applicable Applicable Applicable Applic
38、able Applicable Applicable Not applicable Applicable Applicable Applicable Applicable Applicable Applicable Not applicable Not applicable Not applicable Applicable Not applicable Applicable Applicable Applicable Not applicable Not applicable Applicable Applicable Applicable Applicable Not applicable
39、 Applicable Not applicable Not applicable Not applicable Not applicable ) Sampled from finished cable Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P
40、age 6 prEN 3375-001 : 1997 6 EN 3475 Title test no. Tests in accordance with en 3475 (continued) 601 602 603 6 04 605 701 702 703 704 801 802 803 8 04 805 806 807 808 7 7.1 Smoke density Toxicity Resistance to arcing - Wet test Resistance to arcing - Dry test Short circuit and propagation of electri
41、c arc tests - Wet test Stnppability and adherence of insulation to the conductor Braid screen pushback capability Permanence of manufacturers marking Flexibility Capacitance per unit length Capacitance unbalance Capacitan ce va ria t i o n Velocity of propagation Characteristic impedance Attenuation
42、 Transfer impedance Crosstalk Qualification Submission and qualification conditions Carried out on Component ) Not applicable Not applicable Not applicable Not applicable Not applicable Applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicabl
43、e Not applicable Not applicable Not applicable Not applicable Each coil, drum or reel shall bear a label specifying: - The designation of the cable Test report no. - The length of the cables - Manufacturers name - The date of manufacture of the cable 7.2 Sequence of tests and definition of test piec
44、es TEST Visual inspection Weight Dimensions Strippability and adherence of insulation to the conductor Braid screen push back capability Tensile test on conductors and strands Plating continuity Adherence of plating Plating thickness Electrical resistance per unit length EN 3475 No. of test TEST NO.
45、 pieces 20 1 202 203 701 702 505 506 507 508 301 3 3 3 3 3 3 3 3 3 3 Cable Not applicable Not applicable Not applicable Not applicable Not applicable Applicable Applicable Applicable Not applicable Applicable Applicable Not applicable Not applicable Applicable Applicable Applicable Not applicable No
46、. of permitted defects Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 3375-001 : 1997 7.2 Sequence of tests and definition of test pieces
47、(continued) TEST Voltage proof test Insulation resistance Surface resistance Accelerated ageing Shrinkage and delamination Delamination and blocking Thermal shock Bending at ambient temperature Cold bend test Dynamic cut-through Notch propagation Flammability Resistance to fluids Scrape abrasion Per
48、manence of manufacturers marking Solderability Capacitance per unit length 2apacitance unbalance within one pair) :haraderistic impedance ittenuation ransfer impedance EN 3475 No. of test TEST NO. pieces 302 303 401 402 403 404 406 501 407 41 1 503 703 509 80 1 802 805 806 807 Entire sample 3 304 3 3 3 3 3 405 3 3 3 502 3 3 1 per fluid 3 3 3 3 3 3 3 3 No. of permitted defects O O O O O O O O O O O 1 1 O O O O O O O O I Acceptance 1.1 Required conditions -he acceptance tests shall be carried out on cables supplied in fulfilling an order to ensure that the main :haracteristics of
