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1、BRITISH STANDARD BS EN 3155-055:2006 Aerospace series Electrical contacts used in elements of connection Part 055: Contacts, electrical, female, thermocouple NiAl, type C, crimp, class T Product standard The European Standard EN 3155-055:2006 has the status of a British Standard ICS 49.060 BS EN 315
2、5-055:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2006 BSI 2006 ISBN 0 580 49467 5 National foreword This British Standard was published by BSI. It is the UK implementation of EN 3155-055:2006. The UK participation in its
3、preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/3, Aerospace Connectors. A list of organizations represented on ACE/6/-/3 can be obtained on request to its secretary. This publication does not purport to include
4、 all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments W - - - - - - - - - - 7 7- - 7- -7- - - - - 7- - - - - - - - - -
5、 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - W W D - - w - - - - 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Definitions 5 4 Required characteristics.5 4.1 General5 4.2 Dimensions and mass.5 4.3 Marking by colour code 6 4.4 Material .7 4.5 Permissible cables 7 4
6、.6 Tooling8 4.7 Cable stripping.9 4.8 Tests9 4.9 Quality assurance. 10 5 Designation . 11 6 Marking 11 7 Technical specification 11 EN 3155-055:2006 3 Foreword This European Standard (EN 3155-055:2006) has been prepared by the AeroSpace and Defense Industries Association of Europe - Standardization
7、(ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given t
8、he status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. Attention is drawn to the possibility that some of the elements of this document may be
9、the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Bel
10、gium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3155-055:2006 4 1 Scope
11、This standard specifies the required characteristics, tests and tooling applicable to female contacts, thermocouple, NiAl, type C, crimp, class T, used in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. The associated male contacts are defined in EN 3155-
12、054. 2 Normative references The following referenced documents are indispensable fort he application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591 (all parts),
13、Aerospace series Elements of electrical and optical connection Test methods EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification EN 3155-002, Aerospace series Electrical contracts used in elements of connection Part 002:List and utilizati
14、on of contacts EN 3155-054, Aerospace series Electrical contacts used in elements of connection Part 054: Contacts, electrical, male, thermocouple NiAl, type C, crimp, class T Product standard EN 4049 (all parts), Aerospace series Thermocouple extension cable Operating temperatures between -65 C and
15、 260 C ISO 8056-1, Aircraft Nickel-chromium and nickel-aluminium thermocouple extension cables Part 1: Conductors General requirements and tests ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system MIL-DTL-22520G, Crimping Tools, Wire Termination, General Speci
16、fication for 1) MIL-C-22520/1C, Crimping Tools, Terminal, Hand, Wire Termination for Wire Barrel Sizes 12 through 20 1) MIL-C-22520/2C, Crimping Tools, Terminal, Hand, Wire Termination for Wire Barrel Sizes 20 through 28 1) MIL-C-22520/7B, Crimping Tools, Terminal, Hand, Wire Termination for Wire Ba
17、rrel Sizes 16, 20 and 22 1) MIL-I-81969B, Installing and Removal Tools, Connector Electrical Contacts, Type II, Class 2, Composition C 1) MIL-I-81969/14C, Installing and Removal Tools, Connector Electrical Contact, Type III, Class 2, Composition B 1) MIL-I-81969/30, Installing and Removal Tools, Con
18、nector Electrical Contact, Type II, Class 2, Composition C, for Unwired Contacts 1) 1) Published by: Department of Defense (DOD), the Pentagon, Washington D.C. 20301 USA. EN 3155-055:2006 5 3 Definitions For the purposes of this standard, the definitions given in EN 3155-001 apply. 4 Required charac
19、teristics 4.1 General Type C contacts are for thermocouple application. Class T corresponds to an operating temperature range from 65 C to 260 C. 4.2 Dimensions and mass See Figure 1, Figure 2 and Table 1. Dimensions in millimetres Key 1 Diameter H (one side only) 3 G max. See note 2 2 0,25 max. See
20、 note 1. 4 Marking, see 4.3. NOTE 1 Clearance between sleeve and the body of the contact. NOTE 2 Position of the point of electrical contact. Figure 1 EN 3155-055:2006 6 Figure 2 Barrel, contact sizes 16-18 Table 1 Size A B C D E F G H Contact Barrel max. 20 20 16,66 12,32 12,17 4,34 4,06 0,84 0,74
21、1,98 1,93 1,05 1,14 0,81 0,66 20 18 16,66 12,32 12,17 4,34 4,06 0,84 0,74 1,98 1,93 1,05 1,14 0,81 0,66 16 16 19,28 12,70 12,55 6,53 6,25 1,22 1,12 2,87 2,79 1,63 1,27 1,07 0,91 16 18 19,28 12,70 12,55 6,53 6,25 1,22 1,12 2,87 2,79 1,63 1,27 1,07 0,91 Size J K L M N P T S Mass Contact Barrel min. g
22、20 20 1,68 1,57 4,72 3,99 1,27 1,22 1,98 1,93 2,62 2,54 1,52 1,73 1,35 0,31 20 18 1,68 1,57 4,72 3,99 1,35 1,30 1,98 1,93 2,62 2,54 1,52 1,73 1,35 0,31 16 16 2,26 2,11 7,21 6,35 1,73 1,68 2,62 2,56 3,38 3,30 2,21 2,16 1,73 0,68 16 18 1,68 1,57 7,21 6,35 1,35 1,30 1,98 1,93 3,38 3,30 2,21 2,16 1,73 2
23、,62 2,56 0,68 4.3 Marking by colour code Marking shall be in accordance with ISO 8843 and Table 2. Either the alloy type or coloured dot shall be used to identify the contact material. EN 3155-055:2006 7 4.4 Material NiAl (no protective plating) 4.5 Permissible cables Cables shall be in accordance w
24、ith EN 4049-002 and Table 3. Table 2 Figure 3 Size Colour Contact Barrel Band 1 Band 2 20 20 Red Red 20 18 Red Brown 16 16 Blue Blue 16 18 Blue Brown Key 1 White dot 2 Black dot 3 Band 1 4 Band 2 a Alloy type identification to be produced by engraving, stamping or pressing without deformation of the
25、 contact. EN 3155-055:2006 8 Table 3 Size Size of conductors Contact Barrel AECMA code Section mm AWG a 20 20 006 004 0,60 0,40 20 22 20 18 010 006 004 1,00 0,60 0,40 18 20 22 16 16 012 010 006 1,20 1,00 0,60 16 18 20 16 18 010 006 004 1,00 0,60 0,40 18 20 22 a AWG nearest American Wire Gauge. 4.6 T
26、ooling 4.6.1 Crimping tools Conform to MIL-DTL-22520, see Table 4. The selector numbers used for crimping Ni and Al alloy conductors in cables EN 4049 are indicated in Table 4. These selector numbers shall be used for qualification of the contacts and in service, unless otherwise specified by the us
27、er. Table 4 Contact Cable size Tools M22520/1-01 Tools M22520/2-01 Tools M22520/7-01 Contact size Barrel size AECMA code AWG a Turret Selector number Positioner Selector number Positioner Selector number 004 22 3 6 5 20 20 006 20 M22520/1-02 Red 4 M22520/2-02 7 M22520/7-02 6 004 22 3 6 5 006 20 4 7
28、6 20 18 010 18 M22520/1-02 Red 5 M22520/2-02 8 M22520/7-02 7 006 20 4 5 010 18 5 6 16 16 012 16 M22520/1-02 Blue 6 M22520/7-03 7 004 22 3 5 006 20 4 6 16 18 010 18 M22520/1-02 Blue 5 Not applicable M22520/7-03 7 a AWG nearest American Wire Gauge. EN 3155-055:2006 9 4.6.2 Contact insertion/extraction
29、 tools Conforming to MIL-I-81969 and Table 5. Table 5 Size Extraction tools Contact Barrel Insertion tools Wired contact Unwired contact 20 20 M81969/14-11 M81969/14-11 M81969/30-05 20 18 M81969/14-11 M81969/14-11 M81969/30-05 16 16 M81969/14-03 M81969/14-03 M81969/30-06 16 18 M81969/14-03 M81969/14
30、-04 M81969/30-06 4.7 Cable stripping See Table 6. 4.8 Tests See Table 7. Table 6 Size Contact Barrel Stripped length of cable mm 0,5 20 20 20 18 4,5 16 16 16 18 6,8 EN 3155-055:2006 10 Table 7 Applicable EN 2591- Designation of the test Designation of the test According to EN 3155-001 Remarks 101 Vi
31、sual examination X 102 Examination of dimensions and mass X 201 Contact resistance - Low levelX 220 Contact/Conductor joint ageing by current and temperature cycling X 301 Endurance at temperature X 305 Rapid change of temperature X TA = (-65 2) C TB = (260 2) C 307 Salt mist X 402 Shock X 403 Sinus
32、oidal and random vibration X 406 Mechanical endurance X 415 Test probe damage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertion/extraction forces (female contact) X 502 Restricted entry X 503 Contact deformation after crimping X 507 Pla
33、ting porosity X 508 Measurement of thickness of coating on contacts X 4.9 Quality assurance 4.9.1 Inspection conditions for manufacturing lots A sample shall be taken from each batch of wire or rod used to manufacture thermocouple contacts and tested in accordance with ISO 8056-1 except the thermo-e
34、lectric tests on conductors of finished cables shall use the EMF measurement by method of direct comparison against platinum and not a substandard. EN 3155-055:2006 11 5 Designation EXAMPLE Description block Identity block CONTACT, ELECTRICAL EN3155-055 F 20 20 Number of this standard Type of contac
35、t: F: female Contact size (see Table 1) Barrel size (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001. EN 3155-055:2006 BS EN 3155-055:2006 BSI 389 Chiswick High R
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