1、Februar 2015DEUTSCHE NORM DIN-Normenausschuss Luft- und Raumfahrt (NL)Preisgruppe 18DIN Deutsches Institut fr Normung e. V. Jede Art der Vervielfltigung, auch auszugsweise, nur mit Genehmigung des DIN Deutsches Institut fr Normung e. V., Berlin, gestattet.ICS 49.140; 49.090!%F“2273527www.din.deDDIN
2、EN 16602-70-18Raumfahrtproduktsicherung Vorbereitung, Zusammenbau und Befestigung von RF-Koaxial-Kabeln;Englische Fassung EN 16602-70-18:2014Space product assurance Preparation, assembly and mounting of RF coaxial cables;English version EN 16602-70-18:2014Assurance produit des projets spatiaux Prpar
3、ation, assemblage et montage des cbles radiofrquence coaxiaux;Version anglaise EN 16602-70-18:2014Alleinverkauf der Normen durch Beuth Verlag GmbH, 10772 Berlin www.beuth.deGesamtumfang 45 SeitenDIN EN 16602-70-18:2015-02 2 Nationales Vorwort Dieses Dokument (EN 16602-70-18:2014) wurde vom Technisch
4、en Komitee CEN/CLC/TC 5 Raumfahrt“ erarbeitet, dessen Sekretariat vom DIN (Deutschland) gehalten wird. Das zustndige deutsche Normungsgremium ist der Arbeitsausschuss NA 131-10-01 AA Interoperabilitt von Informations-, Kommunikations- und Navigationssystemen“ im DIN-Normenausschuss Luft- und Raumfah
5、rt (NL). Dieses Dokument (EN 16602-70-18:2014) basiert auf ECSS-Q-ST-70-18C. Dieses Dokument enthlt unter Bercksichtigung des DIN-Prsidialbeschlusses 1/2004 nur die englische Originalfassung von EN 16602-70-18:2014. Dieses Dokument wurde speziell zur Behandlung von Raumfahrtsystemen erarbeitet und h
6、at daher Vorrang vor jeglicher Europischer Norm, da es denselben Anwendungsbereich hat, jedoch ber einen greren Geltungsbereich (z. B. Luft- und Raumfahrt) verfgt. DIN EN 16602-70-18:2015-02 3 Nationaler Anhang NA (informativ) Begriffe, Symbole und Abkrzungen 3 Begriffe, Symbole und Abkrzungen 3.1 B
7、egriffe aus anderen Normen Fr die Anwendung dieses Dokuments gelten die Begriffe nach ECSS-S-ST-00-01, insbesondere der folgende Begriff. Anforderung 3.2 Fr diese Norm spezifische Begriffe 3.2.1 kleinster Biegeradius innerer Radius der Biegung, gemessen an der Auenflche des Kabels 3.3 Abkrzungen Fr
8、die Anwendung dieses Dokuments gelten die Abkrzungen nach ECSS-S-ST-00-01 und die folgenden Abkrzungen: Abkrzung Bedeutung FEP Perfluor(Ethylen-Propylen-)Kunststoff (en: fluorinated ethylene propylene) PTFE Polytetrafluorethylen (en: polytetrafluoroethylene) SMA Sub-Miniature-A (en: sub miniature ve
9、rsion A) VSWR Stehwellenverhltnis (en: voltage standing wave ratio) DIN EN 16602-70-18:2015-02 4 Leerseite EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16602-70-18 October 2014 ICS 49.090; 49.140 English version Space product assurance - Preparation, assembly and mounting of RF coaxial cable
10、s Assurance produit des projets spatiaux - Prparation, assemblage et montage des cbles radiofrquence coaxiaux Raumfahrtproduktsicherung - Vorbereitung, Zusammenbau und Befestigung von RF-Koaxial-Kabeln This European Standard was approved by CEN on 11 April 2014. CEN and CENELEC members are bound to
11、comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CEN
12、ELEC Management Centre or to any CEN and CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN and CENELEC member into its own language and notified to the CEN-CENELEC
13、Management Centre has the same status as the official versions. CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
14、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN/CENELEC All r
15、ights of exploitation in any form and by any means reserved worldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16602-70-18:2014 EEN 16602-70-18:2014 (E) 2 Table of contents Foreword 5 Introduction 6 1 Scope . 7 2 Normative references . 8 3 Terms, definitions and abbreviated term
16、s 9 3.1 Terms from other standards 9 3.2 Terms specific to the present standard . 9 3.3 Abbreviated terms. 9 4 Principles and prerequisites of reliable soldered or crimped cable connections . 10 4.1 Principles of reliable soldered or crimped semi-rigid cable connections 10 4.2 Prerequisites for asse
17、mbly and mounting of semi-rigid coaxial cables 10 4.3 Alternative coaxial cable technologies 11 5 Requirements 12 5.1 Preparatory conditions 12 5.1.1 Facility cleanliness 12 5.1.2 Environmental conditions 12 5.1.3 Lighting requirements 13 5.1.4 Equipment and tools . 13 5.2 Material selection 15 5.2.
18、1 Solder . 15 5.2.2 Flux . 16 5.2.3 Solvents 16 5.2.4 Cable selection . 17 5.2.5 Connector selection 17 5.3 Preparation of semi-rigid cable . 18 5.3.1 General . 18 5.3.2 Inspection of cable 18 5.3.3 Cutting cable to initial oversize length . 18 DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 3 5.
19、3.4 Cable forming and minimum bend radius 18 5.3.5 Preconditioning heat treatment 19 5.3.6 Trimming cable to final length . 20 5.3.7 Stripping the cable ends 21 5.3.8 Inspection of stripped cable ends 21 5.4 Preparation for soldering assembly of semi-rigid cables . 22 5.4.1 General . 22 5.4.2 Degold
20、ing and pretinning 22 5.4.3 Solder preforms 23 5.5 Assembly of connectors to RF coaxial cables . 24 5.5.1 Solder assembly of semi-rigid cables 24 5.5.2 Crimp assembly of semi-rigid cables and other assembly techniques . 28 5.5.3 Completed assemblies 28 5.6 Mounting of cables 29 5.6.1 Semi-rigid cabl
21、es with straight solder-type connectors 29 5.6.2 Semi-rigid cables with right-angle connectors . 30 5.6.3 Other cable mounting technologies . 30 5.7 Process verification . 31 5.7.1 General . 31 5.7.2 Temperature cycling 31 5.7.3 Vibration 31 5.8 Quality assurance . 31 5.8.1 Data 31 5.8.2 Nonconforma
22、nce . 32 5.8.3 Calibration . 32 5.8.4 Traceability . 32 5.8.5 Workmanship standards 32 5.8.6 Inspection . 32 5.8.7 Operator and inspector training and certification . 33 Annex A (normative) Logbook DRD . 34 A.1 DRD identification . 34 A.1.1 Requirement identification and source document 34 A.1.2 Pur
23、pose and objective . 34 A.2 Expected response . 34 A.2.1 Scope and content 34 A.2.2 Special remarks 34 Annex B (normative) Workmanship standards 35 DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 4 B.1 Overview 35 B.2 Illustrations . 35 Annex C (informative) Graphical information . 37 C.1 Overvie
24、w 37 C.2 Typical cable cut-off fixture . 37 C.3 Typical cable-forming tool . 38 C.4 Approved and non-approved straight solder-type cable-end connectors . 39 C.5 Method of producing solder performs 40 C.6 Centre contact assembly 40 Bibliography . 41 Figures Figure B-1 : Photograph showing non-captive
25、 nut and preferred solder fillet 35 Figure B-2 : Microsection through preferred solder fillet, revealing full penetration of solder path . 35 Figure B-3 : Unacceptable solder fillet dimensions . 36 Figure C-1 : Typical cable cut-off fixture . 37 Figure C-2 : Typical cable-forming tool . 38 Figure C-
26、3 : Approved and non-approved straight solder-type cable-end connectors . 39 Figure C-4 : Method of producing solder preforms 40 Figure C-5 : Centre contact assembly 40 Tables Table 5-1: Design rules for minimum bend radius . 19 Table 5-2: Preconditioning heat treatment process . 20 DIN EN 16602-70-
27、18:2015-02 EN 16602-70-18:2014 (E) 5 Foreword This document (EN 16602-70-18:2014) has been prepared by Technical Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN. This standard (EN 16602-70-18:2014) originates from ECSS-Q-ST-70-18C. This European Standard shall be given the st
28、atus of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2015, and conflicting national standards shall be withdrawn at the latest by April 2015. Attention is drawn to the possibility that some of the elements of this document may be the subje
29、ct of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document has been developed to cover specifically
30、 space systems and has therefore precedence over any EN covering the same scope but with a wider domain of applicability (e.g. : aerospace). According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standar
31、d: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain
32、, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 6 Introduction The main part of this Standard is based on industrial experience and recommendations from European soldering technology experts. Modifications are incorporated into the text to pro
33、vide for the specific requirement of low-outgassing electrical systems which are required by scientific and application satellites. Other additions were made in the light of recent technological advances and results of metallurgical test programmes. The use of processes other than solder assembly is
34、 recognized, but only certain general requirements are given in this Standard. These requirements apply to assemblies designed to operate within the temperature limits from -45 C to +85 C. More extreme temperatures or other unusual environmental applications require special design measures or proces
35、sing steps to provide environmental survival capability. DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 7 1 Scope This Standard defines the technical requirements and quality assurance provisions for the assembly and mounting of high-reliability, radio-frequency (RF) coaxial-cable interconnectio
36、ns for use as transmission lines in spacecraft and associated equipment. In general, these assemblies are designed for low-loss, stable operation from the relatively low frequencies through the higher frequencies in the microwave regions. These transmission-line cables should not be confused with lo
37、w-frequency cables with conductive sheaths (usually copper braid), which are used in applications where shielding of the centre conductors from the surrounding electrical ambient is required. The interconnection of those shielded cables, not covered by the present standard, is covered in ECSS-Q-ST-7
38、0-08. This standard may be tailored for the specific characteristics and constrains of a space project in conformance with ECSS-S-ST-00. DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 8 2 Normative references The following normative documents contain provisions which, through reference in this t
39、ext, constitute provisions of this ECSS Standard. For dated references, subsequent amendments to, or revision of any of these publications do not apply, However, parties to agreements based on this ECSS Standard are encouraged to investigate the possibility of applying the more recent editions of th
40、e normative documents indicated below. For undated references, the latest edition of the publication referred to applies. EN reference Reference in text Title EN 16601-00-01 ECSS-S-ST-00-01 ECSS system Glossary of terms EN 16602-10-09 ECSS-Q-ST-10-09 Space product assurance Nonconformance control sy
41、stem EN 16602-20 ECSS-Q-ST-20 Space product assurance Quality assurance EN 16602-60 ECSS-Q-ST-60 Space product assurance Electrical, electronic and electromechanical (EEE) components EN 16602-70-02 ECSS-Q-ST-70-02 Space product assurance Thermal vacuum outgassing test for the screening of space mate
42、rials EN 16602-70-08 ECSS-Q-ST-70-08 Space product assurance Manual soldering of high-reliability electrical connections EN 16602-70-26 ECSS-Q-ST-70-26 Space product assurance Crimping of high-reliability electrical connections EN 16602-70-28 ECSS-Q-ST-70-28 Space product assurance Repair and modifi
43、cation of printed circuit board assemblies MIL-C-17G(3) SUP1 General specification for cables, radio frequency, flexible and semi-rigid. (8 Jan 1996) DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 9 3 Terms, definitions and abbreviated terms 3.1 Terms from other standards For the purpose of this
44、 Standard, the terms and definitions from ECSS-S-ST-00-01 apply, in particular for the following terms: requirement 3.2 Terms specific to the present standard 3.2.1 minimum bend radius inside radius of the bend measured on the outer surface of the cable 3.3 Abbreviated terms For the purpose of this
45、Standard, the abbreviated terms from ECSS-S-ST-00-01 and the following apply: Abbreviation Meaning FEP fluorinated ethylene propylene PTFE polytetrafluoroethylene SMA sub miniature version A VSWR voltage standing wave ratio DIN EN 16602-70-18:2015-02 EN 16602-70-18:2014 (E) 10 4 Principles and prere
46、quisites of reliable soldered or crimped cable connections 4.1 Principles of reliable soldered or crimped semi-rigid cable connections Reliable soldered or crimped connections result from proper design, control of tools, materials and work environments and careful workmanship. The basic design conce
47、pts, adherence to which ensures reliable connections and prevents joint failure, are: a. Avoidance of dimensional mismatch between the coaxial-cable assembly and the units being connected; i.e. not forcing the semi-rigid cable assembly into position and thereby cracking or pre-stressing one of the j
48、oints. b. Use of cable-end connectors with retractable (non-captive) coupling nuts; after completion of mounting, the coaxial-cable assembly is not in a state of tension resulting from axial movement when the connectors are threaded together. c. Minimizing the internal stresses on the soldered or cr
49、imped connections resulting from exposure to thermal cycling. NOTE The thermal coefficient of expansion of the dielectric is about ten (10) times that of copper and in service this can introduce a tensile stress on the joint. d. The various assembly and mounting processes are covered by quality-control inspection steps. 4.2 Prerequisites for assembly and mounting of semi-rigid coaxial cables Each supplier maintains documented soldering or crimping programmes which meet the requirements of this Standard for the types of conne
