1、 AECMA STANDARD NORME AECMA AECMA NORM prEN 31 55-054 Edition P 1 June 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 6-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: Descriptors: Aerospace industry, aircraft e
2、quipment, elements of electrical connections, electrical contacts, characteristics, tests, quality assurance, delivery conditions, marking. ENGLISH VERSION Aerospace series Electrical contacts used in elements of connection Part 054: Contacts, electrical, male, thermocouple NiAI, type C, crimp, clas
3、s T Product standard Srie arospatiale Luft- und Raumfahrt Contacts lectriques utiliss dans les organes de connexion Partie 054: Contacts lectriques, mles, thermocouple NIAI, type C, a sertir, classe T Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 054: Elektrische Thermostiftkontak
4、te NiAI, Typ C, crimpbar, Klasse T Norme de produit Produktnorm This “Aerospace Series“ Prestandard has been drawn up under 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 In
5、dustry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identifica
6、tion of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draf 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 Ro
7、usseau - 92138 ISSY-LES-MOULINEAUX CEDEX - Edition approved for publication I Comments should be sent within six months I Electrical Domain 2001-06-30 after the date of publication to Gulledelle 94 AECMA-STAN Mr Pezzetta 6-1200 BRUXELLES 0 aecma 2oc Page 2 prEN 3155-054: 2001 Contents Scope . 3 Norm
8、ative references . 3 Definitions . 3 Required characteristics 4 Designation 8 Marking. . 8 Technical specification 8 Page 3 prEN 31 55-09: 2001 1 Scope This standard specifies the required characteristics, tests and tooling applicable to male electrical contacts, thermocouple, NiAI, type C, crimp, c
9、lass T, used in elements of connection according to EN 31 55-002. It shall be used together with EN 3155-001. The associated female contacts are defined in EN 3155-055. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These
10、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 publications apply to this European Standard only when incorporated in it by amendment or revision. For undated
11、references the latest edition of the publication referred to applies. IS0 8056-1 IS0 8843 EN 2591* EN 3155-001 EN 3155-002 EN 3155-055 EN 4049 EN 4049-002 M IL-DTL-22520G MIL-C-2252011 C M IL-C-22520/2C MI L-C-22520/76 MIL-1-819696 MIL-1-81 969/30 Aircraft - Nickel-chromium and nickel-aluminium ther
12、mocouple extension cables - Part 1 : Conductors - General requirements and tests Aircraft - Crimp-removable contacts for electrical connectors - Identification system Aerospace series - Elements of electrical and optical connection - Test methods - General Aerospace series - Electrical contacts used
13、 in elements of connection - Part 001: Technical specification 1) Aerospace series - Electrical contracts used in elements of connection - Pari 002: List and utilization of contacts 1) Aerospace series - Electrical contacts used in elements of connection - Part 055: Contacts, electrical, female, the
14、rmocouple NiAI, type C, crimp, class T - Product standard 1) Aerospace series - Thermocouple extension cable - Operating temperatures between - 65 “C and 260 “C (all parts) Aerospace series - Thermocouple extension cable - Operating temperatures between - 65 “C and 260 “C - Part 002: General 2) Crim
15、ping Tools, Wire Termination, General Specification for 3) Crimping Tools, Terminal, Hand, Wire Termination for Wire Barrel Sizes 12 through 20 3) Crimping Tools, Terminal, Hand, Wire Termination for Wire Barrel Sizes 20 through 28 3) Crimping Tools, Terminal, Hand, Wire Termination for Wire Barrel
16、Sizes 16,20 and 22 3) Installing and Removal Tools, Connector Electrical Contacts, Type II, Class 2, Composition C 3) Installing and Removal Tools, Connector Electrical Contact, Type III, Class 2, Composition B 3) Installing and Removal Tools, Connector Electrical Contact, Type II, Class 2, Composit
17、ion C, for Unwired Contacts 3) 3 Defini tio ns For the purposes of this standard the definitions given in EN 31 55-001 apply. * Ail parts quoted in table 7 1) Published as AECMA Prestandard at the date of publication of this standard 2) In preparation at the date of publication of this standard 3) P
18、ublished by: Department of Defense (DOD), the Pentagon, Washington D.C. 20301 USA. Page 4 prEN 31 55-054: 2001 4 Required characteristics 4.1 General Type C contacts are for thermocouple application. Class T corresponds to an operating temperature range from - 65 “C to 260 OC. 4.2 Dimensions and mas
19、s See figure 1, figure 2 and table 1. Dimensions and tolerances are in millimetres. - A - c R O 13 max. C B - c RO 08 max. i - 7.37 min. - c Key 1 2 Diameter P (on one side only) Active zone of contact protection x (2:ll R 0,13 max. -2 4- 3 Flat diameter S 4 Approximately spherical 5 Marking, see 4.
20、3. Figure 1 1.52 Key 1 Radii Figure 2 - Barrel, contact sizes 16-18 Page 5 prEN 31 55-054: 2001 20 13,94 l8I2 13,79 18 J K L M N P S 1,98 1,93 1,98 1,93 2,62 1,68 4,75 1,73 0,81 0,51 2,54 1,57 3,94 1,35 0,66 0,23 2,62 1,68 4,75 1,73 0,81 0,51 2,54 1,57 3,94 1,35 0,66 0,23 1,98 1,93 3,38 1,68 7,21 2,
21、16 1,07 0,81 3,30 1,57 6,35 1,73 0,91 0,43 Size Contact Barrel 20 20 20 18 Colour Band 1 Band 2 Red Red Red Brown 16 16 Blue Blue 16 18 Blue Brown Table 1 E I l -1 FIGIHI 1,93 0,99 4r34 4,06 I 3,17 3330 0,84 0,74 4,34 1 3,30 4.06 3.17 1,98 I I 135 i 1,93 0,99 1,30 2,62 1,73 2,56 1,56 1,68 0,84 0,74
22、1,22 1,12 14,33 l6 I l6 I 2085 I 14,17 6,25 6153 I 3,17 3,30 14,33 l6 1 l8 I 20185 I 14.17 1,22 1,12 Size Ig - - 1 0,30 - I 0,30 2,62 3,38 2,26 7,21 2,16 1,07 0,81 2,56 1 3,30 I 2,11 1 6,35 I 1,73 I 0,91 I 0,43 - I 0,65 262 I 0,65 2.56 4.3 Marking by colour code Marking shall be in accordance with I
23、S0 8843 and table 2. Either the alloy type or coloured dot shall be used to identify the contact material. Table 2 Alloy type identification to be produced by engraving, stamping or pressing without deformation of the contact. Black dot Al White dot Band 2 Band 1 Page 6 prEN 31 55-054: 2001 Contact
24、4.4 Material NiAI (no protective plating) I AWGa Barrel 1 AECMAcode 1 Section mm2 20 o1 o 1 ,o0 18 18 006 0,60 20 004 0,40 22 20 22 *O 20 M22520/7-O2 004 22 M22520/1-02 3 M22520/2-02 006 20 Red 4 7 o1 2 1,20 006 0,60 16 18 16 18 20 o1 o 18 5 8 006 20 4 o1 o 18 o1 2 16 6 Not 004 22 3 applicable 006 2
25、0 o1 o 18 5 M22520R-03 M22.52011-02 Blue M22520/7-03 M22520/1-O2 Blue o1 o 006 004 18 20 22 a AWG - nearest American Wire Gauge Selector Positioner I selector number I Positioner Barrel AECMA Ontact size 1 size 1 code 1 AWG a 1 Turret I number 1 18 wl M225R2edl-O2 M22520/2-02 El M22520/7-02 Selector
26、 number 7 61 71 - a AWG - nearest American Wire Gauge Page 7 prEN 3155-054: 2001 Size Insertion tools 4.6.2 Contact insertion/extraction tools Extraction tools Wired contact I Unwired contact Conforming to MIL-1-81969 and table 5. 20 20 Table 5 20 M81969/14-11 M81969/14-11 M81969/30-O5 18 M81969/14-
27、11 M81969/14-11 M81969/30-O5 16 16 16 M81969/14-O3 M81969/14-O3 M81969/30-O6 ia M81969/14-O3 M81969/14-O4 M81969/30-O6 Size Stripped length of cable mm Contact Barrel f. 0,5 20 20 20 18 16 16 16 18 435 633 r 4.7 Cable stripping See table 6. EN 2591 - Applicable Remarks 1 applicable According to I No
28、t I EN 31 55-001 Designation of the test 4.8 Tests See table 7. 1 o1 102 201 220 a 30 1 305 Table 7 Visual examination X Examination of dimensions X and mass Contact resistance - low level ContacConductor joint X ageing by current and temperature cycling Endurance at temperature X Rapid change of te
29、mperature X X TA = (- 65 i. 2) “C TB = (260 i 2) C 307 402 403 406 - Salt mist X Shock X Sinusoidal and random X vibration Mechanical endurance X Page 8 prEN 31 55-054: 2001 I l l 415 a Test probe damage (female X 41 6 a Contact bending strength X 41 7 a Tensile strength (crimped X 418 a Gauge inser
30、tion and X 502 a Restricted entry X 503 a Contact deformation after X contact) connection) extraction forces in and out of a female contact crimping 507 a Platingporosity X 508 a Measurement of thickness of X coating on contacts Published as AECMA Prestandard at the date of publication of this stand
31、ard la Table 7 (concluded) EN 2591- I Applicable Remarks EN 31 55-001 Designation of the test 4.9 Quality assurance 4.9.1 A sample shall be taken from each batch of wire or rod used to manufacture thermocouple contacts and tested in accordance with IS0 8056-1 except the thermo-electric tests on cond
32、uctors of finished cables shall use the EMF measurement by method of direct comparison against platinum and not a substandard. Inspection conditions for manufacturing lots 5 Desi gnat ion EXAMPLE: Description block Identity block Contact, electrical EN31 55-054M2020 Standard number Type of contact: M : male Contact size (see table 1) Barrel size (see table 1) NOTE If necessary, the originator code 19005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001,
