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BS EN 60068-2-80:2005

Current
Current

The latest, up-to-date edition.

Environmental testing Tests - Test Fi: Vibration. Mixed mode
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-09-2006

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for testing
   4.1 General
   4.2 Control systems
   4.3 Basic motion
   4.4 Cross axis motion
   4.5 Mounting
   4.6 Measuring systems
5 Requirements for testing mixed mode
   5.1 Vibration tolerances - Random
   5.2 Vibration tolerances - Sine
   5.3 Control strategy
   5.4 Vibration response investigation
6 Severities
   6.1 Broadband random vibration
   6.2 Random narrowbands
   6.3 Sine tones
7 Preconditioning
8 Initial measurements
9 Testing
   9.1 General
   9.2 Initial vibration response investigation
   9.3 Low-level excitation for equalization prior to
        testing
   9.4 Mixed mode testing
   9.5 Final vibration response investigation
10 Intermediate measurements
11 Recovery
12 Final measurements
13 Information to be given in the relevant specification
14 Information to be given in the test report
Annex A (informative) Mixed mode general information
Annex B (informative) Guidance
Bibliography
Annex ZA (normative) Normative references to international
                     publications with their
                     corresponding European publications

Recommends for general application for testing specimens when simulation is required of vibration excitation of a complex and mixed nature.

This part of IEC 60068 is intended for general application for testing specimens when simulation is required of vibration excitation of a complex and mixed nature.

The purpose of the test is to demonstrate the adequacy of the specimen to resist the specified mixed mode excitation without unacceptable degradation of its functional and/or structural performance. It is particularly useful for tailoring mixed mode environments where measured data are available for the real life environment.

The test also helps reveal the accumulated effects of stress induced by random vibration, mixed with sine and/or random, and the resulting mechanical weakness and degradation in specified performances, and to use this information, in conjunction with the relevant specification, to assess the acceptability of specimens. In some cases, this standard may also be used to demonstrate the mechanical robustness of specimens.

This standard is applicable to specimens which may be subjected to vibration of a random and/or a combination of random and deterministic nature resulting from transportation or real life environments, for example in aircraft, space vehicles and for items in their transportation container when the latter may be considered as part of the specimen itself.

Although primarily intended for electrotechnical specimens, this standard is not restricted to such specimens and may be used in other fields where desired.

Committee
GEL/104
DevelopmentNote
Supersedes 02/210375 DC. (01/2006)
DocumentType
Standard
Pages
46
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
UNE-EN 60068-2-80:2006 Identical
NF EN 60068-2-80 : 2005 Identical
IEC 60068-2-80:2005 Identical
I.S. EN 60068-2-80:2005 Identical
DIN EN 60068-2-80:2006-05 Identical
EN 60068-2-80:2005 Identical

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
IEC 60068-5-2:1990 Environmental testing - Part 5-2: Guide to drafting of test methods - Terms and definitions
MIL-STD-810 Revision G:2008 ENVIRONMENTAL ENGINEERING CONSIDERATIONS AND LABORATORY TESTS
EN 60068-1:2014 Environmental testing - Part 1: General and guidance
EN 60068-2-64:2008 ENVIRONMENTAL TESTING - PART 2-64: TESTS - TEST FH: VIBRATION, BROADBAND RANDOM AND GUIDANCE
IEC 60068-2-64:2008 Environmental testing - Part 2-64: Tests - Test Fh: Vibration, broadband random and guidance
EN 60068-3-8:2003 Environmental testing - Part 3-8: Supporting documentation and guidance - Selecting amongst vibration tests
ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
IEC 60068-2-47:2005 Environmental testing - Part 2-47: Test - Mounting of specimens for vibration, impact and similar dynamic tests
IEC 60068-3-8:2003 Environmental testing - Part 3-8: Supporting documentation and guidance - Selecting amongst vibration tests
ENV 13005 : DRAFT 1999 GUIDE TO THE EXPRESSION OF UNCERTAINTY IN MEASUREMENT
EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
IEC 60050-300:2001 International Electrotechnical Vocabulary (IEV) - Part 300: Electrical and electronic measurements and measuring instruments - Part 311: General terms relating to measurements - Part 312: General terms relating to electrical measurements - Part 313: Types of electrical measuring instruments - Part 314: Specific terms according to the type of instrument
EN 60068-5-2:1999 Environmental testing - Part 5: Guide to drafting of test methods - Terms and definitions
EN 60068-2-47:2005 Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests

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