EN 16602-70-26:2014
(Main)Space product assurance - Crimping of high-reliability electrical connections
Space product assurance - Crimping of high-reliability electrical connections
This Standard specifies:
• Requirements for the following crimping wire terminations intended for high reliability electrical connections for use on customer
spacecraft and associated equipment operating under high vacuum, thermal cycling and launch vibration:
removable contacts, single wires
removable contacts, multiple wires
coaxial connectors, ferrules
lugs and splices.
NOTE These are the most common used crimping wire termination and are represented in Figure 1 1.
• The general conditions to be met for the approval of terminations other than the above mentioned ones.
NOTE Additional forms of crimps, not covered in this standard, are listed (not exhaustively) in the informative Annex A.
• Product assurance provisions for both the specific and the generic terminations mentioned above.
• Training and certification requirements for operators and inspectors (clause 5.5.2), additional to those specified in ECSS Q ST-20.
This standard may be tailored for the specific characteristics and constraints of a space project, in conformance with ECSS-S-ST-00.
Raumfahrtproduktsicherung - Quetschen von hochzuverlässigen elektrischen Verbindungen
Assurance produit des projets spatiaux - Sertissage des connexions électriques à fiabilité élevée
La présente norme spécifie :
• Les exigences applicables aux terminaisons de fils serties destinées aux connexions électriques de haute fiabilité devant être utilisées sur les engins spatiaux et équipements associés, destinés au client, dans des conditions de vide poussé, de cyclage thermique et de vibrations dues au lanceur :
contacts amovibles, fils simples,
contacts amovibles, fils multiples,
connecteurs coaxiaux, ferrules,
languettes de contact et épissures.
NOTE Il s'agit-là des terminaisons de fils serties les plus couramment utilisées. Elles sont représentées sur la Figure 1-1.
• Les conditions générales à remplir en vue de l'approbation des terminaisons autres que celles qui sont mentionnées ci-dessus.
NOTE L'Annexe informative A répertorie d'autres formes de sertissage, non couvertes par la présente norme (liste non exhaustive).
• Les dispositions en matière d'assurance produit relatives aux terminaisons spécifiques et génériques mentionnées ci-dessus.
• les exigences relatives à la formation et à la certification des opérateurs et des inspecteurs (paragraphe 5.5.2), qui complètent celles qui sont spécifiées dans l'ECSS Q ST-20.
La présente norme peut être adaptée aux caractéristiques et contraintes spécifiques d'un projet spatial, conformément à l'ECSS-S-ST-00.
...
Figure 1 1 : Interconnexions spécifiques mentionnées dans la présente norme
Zagotavljanje varnih proizvodov v vesoljski tehniki - Stiskalno spajanje kontaktov visoko zanesljivih električnih konektorjev
Ta standard določa: • Zahteve za naslednje žične priključke za stiskalno spajanje, namenjene za visoko zanesljive električne konektorje za uporabo na vesoljskih plovilih in povezani opremi odjemalca, ki delujejo pri visokem vakuumu, toplotnih cikličnih obremenitvah in vibracijah ob izstrelitvi: – odstranljive kontakte, posamezne žice, – odstranljive kontakte, več žic, – koaksialne konektorje, tulke, – ročaje in spojnice. OPOMBA: To so najpogosteje uporabljani žični priključki za stiskalno spajanje in so predstavljeni na sliki 1.1. • Splošne pogoje, ki jih je treba izpolnjevati za odobritev priključkov, razen že zgoraj navedenih. OPOMBA: Dodatne oblike kodrov, ki niso obravnavane v tem standardu, so navedene (ne izčrpno) v informativnem dodatku A. • Določbe za zagotavljanje varnih proizvodov za posamezne in splošne priključke, navedene zgoraj. • Zahteve za usposabljanje in potrjevanje za upravljavce in inšpektorje (točka 5.5.2) poleg zahtev iz standarda ECSS Q ST-20. Ta standard se lahko prilagodi posameznim lastnostim in omejitvam vesoljskega projekta v skladu s standardom ECSS-S-ST-00.
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2015
=DJRWDYOMDQMHYDUQLKSURL]YRGRYYYHVROMVNLWHKQLNL6WLVNDOQRVSDMDQMHNRQWDNWRY
YLVRNR]DQHVOMLYLKHOHNWULþQLKNRQHNWRUMHY
Space product assurance - Crimping of high-reliability electrical connections
Raumfahrtproduktsicherung - Quetschen von hochzuverlässigen elektrischen
Verbindungen
Assurance produit des projets spatiaux - Sertissage des connexions électriques à fiabilité
élevée
Ta slovenski standard je istoveten z: EN 16602-70-26:2014
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
49.140 Vesoljski sistemi in operacije Space systems and
operations
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 16602-70-26
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 49.060; 49.140
English version
Space product assurance - Crimping of high-reliability electrical
connections
Assurance produit des projets spatiaux - Sertissage des Raumfahrtproduktsicherung - Quetschen von
connexions électriques à fiabilité élevée hochzuverlässigen elektrischen Verbindungen
This European Standard was approved by CEN on 11 April 2014.
CEN and CENELEC members are bound to 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-CENELEC 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 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, 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 rights of exploitation in any form and by any means reserved Ref. No. EN 16602-70-26:2014 E
worldwide for CEN national Members and for CENELEC
Members.
Table of contents
Foreword . 5
1 Scope . 6
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 9
3.1 Terms defined in other standards . 9
3.2 Terms specific to the present standard . 9
3.3 Abbreviated terms. 10
4 Principles . 11
5 Requirements . 12
5.1 Preparatory conditions . 12
5.1.1 Facilities . 12
5.1.2 Tools and equipment . 13
5.2 Crimping operations for specific interconnections . 14
5.2.1 General . 14
5.2.2 Material selection . 15
5.2.3 Process review and documentation . 15
5.2.4 Connector barrel and single wire crimping . 16
5.2.5 Connector barrel and multiple wire crimping. 16
5.2.6 Ferrule shield crimping . 17
5.2.7 Lug and splice wire crimping . 18
5.3 Requirements for new crimp configurations . 19
5.3.1 General . 19
5.3.2 Test procedure . 19
5.3.3 Sealing and marking . 20
5.4 Test methods . 21
5.4.1 General . 21
5.4.2 Voltage drop. 21
5.4.3 Tensile strength . 23
5.4.4 Metallography . 26
5.5 Quality assurance . 26
5.5.1 General . 26
5.5.2 Personnel training and certification . 27
5.5.3 Workmanship . 29
5.5.4 Visual inspection . 30
5.5.5 Shift performance inspection and test . 31
5.5.6 Calibration of crimping tools . 31
5.5.7 Records . 32
5.5.8 Nonconformance . 33
5.6 Document requirements. 33
Annex A (informative) Crimp configurations and tools . 34
Bibliography . 40
Figures
Figure 1-1: Specific interconnections in this Standard . 7
Figure 5-1: Example of a typical connector barrel and single wire crimping . 16
Figure 5-2: Example of a typical connector barrel and multi-wire crimping. 17
Figure 5-3: Example of a typical ferrule shield crimping . 18
Figure 5-4: Examples of typical lug and splice wire crimping . 19
Figure 5-5: Typical plots showing variation in crimp termination characteristics with
increasing indentation depth . 21
Figure 5-6: Measurement of voltage drop across a crimped termination . 22
Figure 5-7: Quality control during crimping operation . 28
Figure 5-8: Visible workmanship standards . 29
Figure 5-9: Workmanship examples and crimp micro-sections . 29
Figure A-1 : Confined irregular-octagon crimp (compactive) . 35
Figure A-2 : Dimpled confined octagon crimp (compactive) . 35
Figure A-3 : Regular-hexagon crimp (compactive) . 35
Figure A-4 : Semicircular one- or two-indent crimp (dispersive) . 35
Figure A-5 : Four-indent crimp (dispersive) . 35
Figure A-6 : Typical test fixture for testing lug and splice crimps . 39
Tables
Table 5-1: Equipment for verification process . 14
Table 5-2: Voltage drop test requirements . 23
Table 5-3: Required ultimate axial strength for compactive and dispersive crimped
joints . 25
Table A-1 : Guideline for selector setting - Four-indent crimp (dispersive) Single wire
(Crimping tool 22520/2-01) . 37
Table A-2 : Guideline for selector setting - Four-indent crimp (dispersive) -Two wires
(Crimping tool 22520/2-01) . 38
Table A-3 : Guideline for die selection (ferrule coaxial shield crimping) . 38
Foreword
This document (EN 16602-70-26:2014) has been prepared by Technical
Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by
DIN.
This standard (EN 16602-70-26:2014) originates from ECSS-Q-ST-70-26C.
This European Standard shall be given the status 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 subject 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 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 Standard: 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, Sweden,
Switzerland, Turkey and the United Kingdom.
Scope
This Standard specifies:
• Requirements for the following crimping wire terminations intended for
high reliability electrical connections for use on customer spacecraft and
associated equipment operating under high vacuum, thermal cycling and
launch vibration:
removable contacts, single wires
removable contacts, multiple wires
coaxial connectors, ferrules
lugs and splices.
NOTE These are the most common used crimping wire
termination and are represented in Figure 1-1.
• The general conditions to be met for the approval of terminations other
than the above mentioned ones.
NOTE Additional forms of crimps, not covered in this
standard, are listed (not exhaustively) in the
informative Annex A.
• Product assurance provisions for both the specific and the generic
terminations mentioned above.
• Training and certification requirements for operators and inspectors
(clause 5.5.2), additional to those specified in ECSS-Q-ST-20.
This standard may be tailored for the specific characteristics and constraints of a
space project, in conformance with ECSS-S-ST-00.
Figure 1-1: Specific interconnections in this Standard
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revisions 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 most recent editions of
the 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
system
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 ECSS-Q-ST-70 Spa
...
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