1、AECMA STANDARD NORME AECMA AECMA NORM prEN 4056-005 Edition P 1 June 2002 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION 1 kk%ksTAa Gulledelle 94 - E-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org ICs: 49.060 ENGLISH VERSION Aerosp
2、ace series Cable ties for harnesses Part 005: Plastic cable ties with metallic locking devices, operating temperatures - 65 OC to 105 OC and - 65 OC to 150 OC Product standard Srie arospatiale Luft- und Raumfahrt Frettes de cblage pour harnais Partie 005 : Frettes en plastique tempratures dutilisati
3、on - 65 OC 105 OC et-65 OC 150 OC Norme de produit Produktnorm Befestigungsbnder fr Leitungsbndel Teil 005: Befestigungsbnder aus Kunstoff betriebstemperatur - 65 OC bis 105 OC und - 65 OC bis 150 OC avec languette mtallique, mit Metallzunge, This “Aerospace Series“ Prestandard has been drawn up und
4、er the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to
5、the publication of this Presfandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a
6、draft European Standard to CEN (European Committee for Standardization) for formal vote. - Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I I l Comments should be sent within six months after the date of publication
7、 to I I Edition approved for publication 28June2002 AECMA-STAN Gulledelle 94 8-1200 BRUXELLES Electrical Domain I l I Copyright 2002 O by AECMA-STA Page 2 prEN 4056-005: 2002 Contents . Terms and defini Required characteristics . Tests and requirements . Quality assurance . . Packaging and storage 1
8、 Page 3 prEN 4056-005: 2002 Scope This standard defines the required characteristics of cable ties with a metallic locking device manufactured from plastics material, for installation under controlled tension on aircraft cable harnesses. It shall be used together with EN 4056-001. 2 Normative refere
9、nces 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 amendments to or revisions of any of these
10、 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 2825 EN 2826 EN 4056-001 EN 4057 * EN 4057-307 EN 4057-401 EN 4057-407 MS 90387 Aerospace series - Burning behavio
11、ur of non metallic materials under the influence of radiating heat and flames - Determination of smoke density 1) Aerospace series - Burning behaviour of non metallic materials under the influence of radiating heat and flames - Determination of gas components in the smoke 1) Aerospace series - Cable
12、 ties for harnesses - Part O01 : Technical specification 1) Aerospace series - Cable ties for harnesses - Test methods Aerospace series - Cable ties for harnesses - Test methods - Part 307: Resistance to Ultra Violet radiation 1) Aerospace series - Cable ties for harnesses - Test methods - Part 401:
13、 Loop tensile strength 2) Aerospace series - Cable ties for harnesses - Test methods - Part 407: Verification of application tool settings 1) Tool, hand, adjustable for plastic and metal tiedown straps 3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 4
14、056-001 apply. 4 Required Characteristics 4.1 Dimensions See figure 1 and table 1. * And all its parts quoted in table 3 I) Published as AECMA Prestandard at the date of publication of this standard. 2) In preparation at the date of publication of this standard. Page 4 prEN 4056-005: 2002 C t* A 4 H
15、ead dimensions Length Width Height F D v Loop tensile strength B I Figure 1 - Cable tie Table 1 - Dimensions and mass 7 Size code Length of tie A mm min. Thickness of strap B mm max. Mass of 10 ties related to minimum length 9 rnax. Recommended bundle diameter Width of strap E rnm min. I max. 3,O 92
16、 I90 280 995 21 ,o 5,O I 100 65,O 335 360 28, O U v - 456 - 86,O 4.2 4.2.1 Material Temperature rating (type) The ties shall be capable of use within the following temperature ranges: Type 1: - 65 OC to 105 OC Type 2: - 65 OC to 150 OC Page 5 prEN 4056-005: 2002 P R S T 4.2.2 . Flammability class Av
17、ailable as class 1 and class 2. See table 3 for requirements. 60 I O0 150 150 4.2.3 Colour See table 2 of EN 4056-001. 4.2.4 Smoke density and toxicity Materials for cable ties shall satisfy the following requirements when tested to EN 2825 and EN 2826. 4.2.4.1 Smoke density The maximum specific opt
18、ical density (average), shall not exceed: - Dm = 200 (flaming mode); - Dm = 150 (non flaming mode). 4.2.4.2 Toxicity The average concentration in parts per million (ppm) of the following gas components shall not exceed the following limits after a test duration of 4 min. Limit of concentration ppm G
19、as component Hydrogen Fluoride HF I O0 Hydrogen Chloride HCI 150 Hydrogen Cyanide HCN 150 Sulphur Dioxide so2 1 O0 Hydrogen Sulphide H2S 1 O0 Nitrous Gases NOIN02 1 O0 Carbon Monoxide CO 1 O00 4.3 U.V. resistant cable ties U.V. resistant cable ties shall meet the requirements of EN 4057-307, given i
20、n table 3. 4.4 Application tool Cable ties shall be applied using a tensioning tool, as specified in MS 90387, calibrated in accordance with EN 4057-407, ensuring that the application force does not exceed the values shown in table 2. U 300 v 150 Page 6 prEN 4056-005: 2002 5 Tests and requirements S
21、ee table 3 and EN 4056-001. Table 3 - Tests EN 4057- 3ui a 302 a 303 a 304 a 305 a 306 a 307 a 401 402 a 404 a 405 a Designation of the test disual examination Examination of mass and Aimensions Salt mist test =lammability Resistance to fluids Loop tensile strength at maximum working temperature Col
22、our fastness (applicable only to coloured ties) Heat ageing test Resistance to Ultra Violet Radiation Loop tensile strength Life cycle Low temperature installation Compass safe distance Requirement There shall be no sharp or abrasive external edges. The mass and dimensions shall be in accordance wit
23、h :able I of this standard The Ties shall meet the loop tensile requirements as stated in table 1 of this standard. Wer removal of the burner from the specimen, any llame shall extinguish within 5 s. If there are no flaming droplets (or particles) during the test, and the flame extinguishes within 5
24、 s, the specimen will be classified as Class 1. If there are flaming droplets (or particles) but all the flames extinguish within 5 s, the specimen will be classified as class 2. At the specimens shall meet the minimum loop tensile strength as stated in table 1 of this standard. All specimens shall
25、meet at least 60 % of the minimum loop tensile strength as stated in table 1 of this standard. The colour fastness of the specimen shall not be less than wool standard number 6. The tensile strength shall not be lower than that specified in the appropriate product standard. The elongation at break o
26、f the aged flat samples shall not be less than 75 % of the elongation of the flat unaged samples, as defined in the product standard. All the specimens shall meet at least 95 % of the requirement for part EN 4057-401. The average elongation at break of the exposed specimens shall not be less than 60
27、 % of the figure for the unexposed samples. All the specimens shall meet the minimum loop tensile strength for their size code, as stated in table 1 of this standard. After the vibration test: 1) There shall be no damage to the cable insulation when viewed with a 1 O magnification aid times. 2) The
28、specimens shall be examined for cracks, breaking and/or release of the locking device during removal from the vibration test harness. 3) All the specimens shall meet the minimum loop tensile strength as stated in table 1 of this standard. All the specimens shall meet the minimum loop tensik strength
29、 as stated in table 1 of this standard. The samples shall have a minimum compass safe distance of 125 mm. continued Page 7 prEN 4056-005: 2002 Loop Tensile (N) 80 Table 3 - Tests (concluded) Etention Force (N) 5 EN 4057- 135 220 530 406 a 10 10 20 Designation of the test 2 Number of this standard Ma
30、terial code (see EN 4056-001, table 1) Flammability class (see EN 4056-001, 4.2) Size code (see EN 4056-001, see table 6) fi Locking device retention. (Ties containing metal locking barbs only.) Colour code (see EN 4056-001, table 2) Variant code (see EN 4056-001, table 7) Verification of applicatio
31、n tool settings Requirement The minimum locking device retention force shall, be determined according to the rated loop tensile strength, as given below. See table 2 of this standard (I 5 %) a Published as AECMA Prestandard at the date of publication of this standard In preparaion at the date of publication of this standard I 6 Quality assurance Refer to EN 4056-001. 7 Designation EXAMPLE : Description block I Identity block 8 Marking See EN 4056-001, 9 Packaging and storage See EN 4056-001.
