Environmental testing - Part 2-86: Tests - Test Fx: Vibration - Multi-exciter and multi-axis method

IEC 60068-2-86:2024 provides a test procedure for use with multi-exciter and multi-axis vibration test systems. The vibration test is intended for general application to components, equipment, and other products, hereinafter referred to as "specimens", subjected to dynamic environments that could arise during an equipment life cycle. Although this document is mainly intended for vibration testing, the procedure is also applied to certain types of shock and transient tests.

Umgebungseinflüsse - Teil 2-86: Prüfverfahren - Prüfung Fx: Vibration - Multi-Erreger- und Mehrachsenverfahren

Essais d'environnement - Partie 2-86: Essais - Essai Fx: Vibrations - Méthode par excitateurs multiples et axes multiples

L'IEC 60068-2-86:2024 fournit une procédure d'essai à utiliser avec les systèmes d'essai de vibrations à excitateurs multiples/à axes multiples. Ces essais de vibrations sont destinés à une application générale pour les composants, matériels et autres produits, dénommés ci-après "spécimens", soumis à des sollicitations dynamiques susceptibles de se produire au cours de leur cycle de vie. Même si le présent document est essentiellement destiné aux essais de vibrations, la procédure est également appliquée à certains types d'essais de chocs et de conditions transitoires.

Okoljsko preskušanje - 2-86. del: Preskusi - Preskus Fx: Vibracije - Metoda z večkratnim vzbujanjem in več osmi (IEC 60068-2-86:2024)

Standard IEC 60068-2-86:2024 vsebuje preskusni postopek za uporabo s sistemi za vibracijsko preskušanje z večkratnim vzbujanjem in več osmi. Vibracijski preskus je namenjen za splošno uporabo na komponentah, opremi in drugih izdelkih (v nadaljevanju »vzorci«), ki so izpostavljeni dinamičnim okoljem, ki se lahko pojavijo med življenjskim ciklom opreme. Čeprav je ta dokument namenjen predvsem za vibracijske preskuse, se postopek uporablja tudi za nekatere vrste udarnih in prehodnih preskusov.

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Standards Content (Sample)

Okoljsko preskušanje - 2-86. del: Preskusi - Preskus Fx: Vibracije - Metoda z
večkratnim vzbujanjem in več osmi (IEC 60068-2-86:2024)
Environmental testing - Part 2-86: Tests -Test Fx: Vibration - Multi-exciter and multi-axis
method (IEC 60068-2-86:2024)
Umgebungseinflüsse – Teil 2-86: Prüfverfahren – Prüfung Fx und Leitfaden: Mehrfach-
Anregung, Multi-Achsen-Schock und Schwingung (IEC 60068-2-86:2024)
Essais d'environnement - Partie 2-86: Essais - Essai fx: Méthode par excitateurs
multiples et axes multiples - Chocs et vibrations - Essais et recommandations (IEC
Ta slovenski standard je istoveten z: EN IEC 60068-2-86:2024
19.040 Preskušanje v zvezi z Environmental testing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.


ICS 19.040
English Version
Environmental testing - Part 2-86: Tests - Test Fx: Vibration -
Multi-exciter and multi-axis method
(IEC 60068-2-86:2024)
Essais d'environnement - Partie 2-86: Essais - Essai Fx: Umgebungseinflüsse - Teil 2-86: Prüfverfahren - Prüfung
Vibrations - Méthode par excitateurs multiples et axes Fx: Vibration - Multi-Erreger- und Mehrachsenverfahren
multiples (IEC 60068-2-86:2024)
(IEC 60068-2-86:2024)
This European Standard was approved by CENELEC on 2024-03-21. 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 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60068-2-86:2024 E

European foreword
The text of document 104/1035/FDIS, future edition 1 of IEC 60068-2-86, prepared by IEC/TC 104
"Environmental conditions, classification and methods of test" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN IEC 60068-2-86:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-12-21
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-03-21
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60068-2-86:2024 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60068-2-47 NOTE Approved as EN 60068-2-47
IEC 60721 (series) NOTE Approved as EN 60721 (series)
ISO/IEC 17025 NOTE Approved as EN ISO/IEC 17025
Annex ZA
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60068-1 - Environmental testing - Part 1: General EN 60068-1 -
and guidance
IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - EN 60068-2-6 -
Test Fc: Vibration (sinusoidal)
IEC 60068-2-27 - Environmental testing - Part 2-27: Tests - EN 60068-2-27 -
Test Ea and guidance: Shock
IEC 60068-2-57 - Environmental testing - Part 2-57: Tests - EN 60068-2-57 -
Test Ff: Vibration - Time-history and sine-
beat method
IEC 60068-2-64 - Environmental testing - Part 2-64: Tests - EN 60068-2-64 -
Test Fh: Vibration, broadband random and
IEC 60068-2-80 - Environmental testing - Part 2-80: Tests - EN 60068-2-80 -
Test Fi: Vibration - Mixed mode
IEC 60068-2-85 - Environmental testing - Part 2-85: Tests - EN IEC 60068-2-85 -
Test Fj: Vibration - Long time history
ISO 2041 - Mechanical vibration, shock and condition - -
monitoring - Vocabulary
IEC 60068-2-86 ®
Edition 1.0 2024-02
Environmental testing –
Part 2-86: Tests –Test Fx: Vibration – Multi-exciter and multi-axis method

Essais d'environnement –
Partie 2-86: Essais – Essai Fx: Vibrations – Méthode par excitateurs multiples et

axes multiples
ICS 19.040  ISBN 978-2-8322-8242-7

– 2 – IEC 60068-2-86:2024 © IEC 2024
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 8
4 Background . 9
4.1 General . 9
4.2 Multi-axis and/or multi-exciter testing to achieve an improved distribution of
dynamic responses . 9
4.3 Multi-exciter testing for large equipment. 10
4.4 Multi-axis testing for reliability growth . 10
4.5 Multi-axis testing to reduce test durations . 10
5 Test apparatus and control strategy . 11
6 Test severities and tolerances . 11
6.1 Test severities . 11
6.2 Tolerances . 11
6.3 Excitations outside the specified test frequency range . 11
6.4 Cross-axis motions . 12
7 Mounting of specimen and installation of measurement systems. 12
8 Precursor testing . 13
9 Vibration response investigation . 13
10 Pre-conditioning . 13
11 Initial measurement and functional performance test . 14
12 Low level excitation for equalisation prior to testing . 14
13 Testing . 14
14 Intermediate measurement and functional performance . 14
15 Recovery . 14
16 Final measurement and functional performance and vibration response
investigation . 15
17 Test verification . 15
18 Information to be specified in the relevant specification . 15
19 Information to be given in the test report. 16
Annex A (informative) Guidance on multi-axis and multi-exciter test control systems . 18
A.1 General . 18
A.2 Multi-exciter control strategies . 18
A.3 Determined and over determined control strategies . 19
A.4 Quantifying the inter-relationship between exciters for vibration testing . 20
A.5 Quantifying the inter-relationship between exciters for time history
replication testing. 21
Annex B (informative) Additional testing guidance . 23
B.1 Fixing, monitor, control and reference points . 23
B.2 Control equalisation . 23
B.3 Cross-axis motion, signal distortion and out of test frequency range
responses . 24
B.4 Precursor testing . 25
B.5 Vibration response investigation . 25

IEC 60068-2-86:2024 © IEC 2024 – 3 –
B.6 Temperature conditioning and stabilization . 25
B.7 Performance evaluation . 26
B.8 Verification of test procedure . 26
Annex C (informative) Guidance on the application of multi-axis / multi-vibrator tests . 28
C.1 General . 28
C.2 Advice on using multi-exciter systems for the testing of large specimens . 28
C.2.1 General . 28
C.2.2 Data measurements . 28
C.2.3 Multi-exciter test fixture . 28
C.2.4 Test control . 29
C.2.5 Testing . 29
C.3 Advice on using multi-axis systems for multi-degree of freedom testing . 29
C.3.1 General . 29
C.3.2 Data measurements . 30
C.3.3 Multi-exciter test fixture . 30
C.3.4 Test control . 30
C.3.5 Testing .

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