1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 15 November 2003 prEN 3373-01 2 Edition P 1 November 2003 Comments should be sent within six months after the date of publication to Electrical Domain AECMA-STAN ICs: Descriptors: Aerospace industry, aircraft equipment, terminal
2、lugs, splices ENGLISH VERSION Aerospace series Terminal lugs and in-line splices for crimping on electric conductors Part 012: In-line splices, insulated and sealed, for crimping on copper conductors, temperature up to 150 OC Product standard Srie arospatiale Luft- und Raumfahrt Cosses et prolongate
3、urs pour sertissage sur conducteurs lectriques Partie 012: Prolongateurs isols pour sertissage sur conducteurs en cuivre, temprature jusqu 150 OC Kabelschuhe und Stossverbinder zum Crimpen auf elektrischen Leitungen Teil 012: Stossverbinder isoliert und abgedichtet, zum Crimpen auf Leitungen aus Kup
4、fer, fr Temperaturen bis 150 OC Norme de produit Produktnorm This “Aerospace Series“ frestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published for the needs of the European Aerospace Industry. It has bee
5、n technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the stand
6、ard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement t
7、he EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 3373-012: 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrica
8、l Domain . After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual. this standard has received approval for Publication . Contents Page 1 2 3 4 5 6 7 8 9 10 Scope Normative references . Definitions . Characteristics . Tests and
9、requirements Designation . Quality assurance Details of assembly tooling Marking . Packaging 3 3 3 3 5 5 5 5 6 6 Page 3 prEN 3373-01 2: 2003 1 Scope This standard defines the characteristics of sealed, insulated, tin plated, in-line splices for crimping on tin or silver plated copper conductors and
10、nickel plated in-line splices for crimping on nickel plated copper conductors. They may be used at temperatures up to 150 “C maximum. This standard shall be used in conjunction with EN 3373-001. 2 Normative references This European Standard incorporates by dated or undated reference provisions from
11、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 publications apply to this European Standard only when incorporated in it by amendment
12、 or revision. For undated references, the latest edition of the publication referred to applies. EN 2083, Aerospace series - Copper or copper alloy conductors in electrical cables - Product standard EN 2591-305, Aerospace series - Elements of electrical and optical connection - Test methods - Patt 3
13、05: Rapid change of temperature EN 3373-001, Aerospace series - Terminal lugs and in-line splices for crimping on electric conductors - Patt O0 I: Technical specification 1 ) MI L-DTL-22520/37: September 1997, Crimping tool, electrical, wire splicing, hand actuated, Type II, for environmental splice
14、s, wire range 26-12 A WG 2) ASTM B545-97, Standard specification for electrodeposited coatings of tin 3) ASTM B75-97, Standard specification for seamless copper tube 3) QQ-N-290A: 1971, Nickel plating (Electrodeposited) 4) 3 Definitions See EN 3373-001. 4 Characteristics 4.1 Temperature range The op
15、erational range for the assemblies specified is - 65 “C to 150 “C. 4.2 Materials 4.2.1 Insulating sleeve The outer insulating and sealing sleeve shall be radiation cross-linked polyvinylidene fluoride with meltable sealing rings of uncrosslinked polyolefin compound at each end. 1) Published as AECMA
16、 Prestandard at the date of publication of this standard 2) Available from: Department of Defence (DOD), the Pentagon, Washington D.C. 20301 USA. (Note: To be superseded at international level by IS0 1 1373 product standard) 3) Available from ASTM, 1 O0 Barr Harbor, West Conshohocken, PA 19428, USA.
17、 4) Available from Naval Air Systems Command, Highway 547, Lakehurst, NJ 08733-5100. Page 4 prEN 3373-012: 2003 Plating on barrel Item code 4.2.2 Crimp barrel The crimp barrel shall be copper alloy ASTM B75. Range of conductors Mass Colour code bands per 1 O00 pcs 4.2.3 Plating of crimp barrel The p
18、lating of the crimp barrel shall be tin in accordance with ASTM B545 or nickel as per QQ-N-290A. 4.3 Dimensions and mass For dimensions and mass, see Figure 1 and Tables 1 and 2. Crimp barrel Key 1. Colour code bands 1 or 2 (see table 1) 2. Sealing sleeve 3. Meltable sealing rings Sealing sleeve a T
19、ypical After crimping Figure 1 - Crimp barrel and sealing sleeve Table 1 - Barrel plating, conductor range and colour codes g I ENCodes I AWG I I I O01 I Tin I 1 Red I 001-006 I 26-20 I 463 002 I Tin I 1 Blue I 006-012 I 20-16 I 731 003 I Tin I 1 Yellow I 010-030 I 18-12 I 1235 004 I Nickel I 2Red I
20、 O01 -006 I 26-20 I 463 005 I Nickel I 2 Blue I 006-012 I 20- 16 I 73 1 006 I Nickel I 2Yellow I 010-030 I 18- 12 I 1 235 Page 5 prEN 3373-01 2: 2003 Crimp barrel Sealing sleeve I I I I I I I Itemcode O01 &O04 002&005 003&006 5 Tests and requirements Minimum acceptable OB C D E As supplied f 0,05 f
21、0,05 f 0,25 f 0,25 max. 0 F min cable diameter 1,96 1,22 12,7 597 0,38 2,16 0,63 2,62 1,70 14,61 6,86 0,51 2,79 0,63 3,81 2,54 14,61 6,86 1,27 4,32 0,63 The tests and requirements shall be in accordance with EN 3373-001, except that for test EN 2591-305, TA shall be - 65 “C. Dielectric withstand vol
22、tage, 2 500 volts D.C. for 1 min. The leakage current shall be less than 2 mA. Insulation resistance shall be greater than 5 O00 MQ. 6 Designation EXAMPLE: Description block Sealed in-line splice Identity block EN 33j3 -0 1 2-Xr Number of this standard Item code (see Table 1) NOTE If necessary, the
23、code 19005 may be placed between the description block and the identity block. 7 Quality assu rance Quality assurance shall be in accordance with EN 3373-001 8 Details of assembly tooling 8.1 Crimping tools Crimping tools shall conform to the requirements of MIL-DTL-22520/37. 8.2 Heating devices Hot
24、 air heating devices shall be fitted with reflectors to concentrate the heat and protect adjacent materials from damage and shall produce an air temperature of 280 “C to 340 “C in the active zone of the reflector. For heating in areas where there may be a hazard due to the presence of flammable vapo
25、urs only heaters specially designed and approved for use in such areas shall be used. Page 6 prEN 3373-012: 2003 9 Marking The item code as per Table 1 shall be indicated by coloured bands on the crimp barrel as shown in Figure 1. 10 Packaging The packaging is to be marked with the EN designation, manufacturers name, part number, the quantity in the package and the date of manufacturer and batch number.
