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IEC_60068-2-6-2007_环境试验第2-6部分:试验_-_试验Fc:振动(正弦)
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Environmental testing – Part 2-6: Tests – Test Fc: Vibration (sinusoidal) Essais d'environnement – Partie 2-6: Essais – Essai Fc: Vibrations (sinusoïdales)
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IEC 60068-2-6
Edition 7.0 2007-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Environmental testing –
Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
Essais d'environnement –
Partie 2-6: Essais – Essai Fc: Vibrations (sinusoïdales)
IEC 60068-2-6:2007
THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2007 IEC, Geneva, Switzerland
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IEC 60068-2-6
Edition 7.0 2007-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Environmental testing –
Part 2-6: Tests – Test Fc: Vibration (sinusoidal)
Essais d'environnement –
Partie 2-6: Essais – Essai Fc: Vibrations (sinusoïdales)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
X
ICS 19.040
PRICE CODE
CODE PRIX
ISBN 2-8318-9490-5
– 2 – 60068-2-6 © IEC:2007
CONTENTS
FOREWORD...........................................................................................................................4
INTRODUCTION.....................................................................................................................6
1
Scope...............................................................................................................................7
2
Normative references........................................................................................................7
3
Terms and definitions.......................................................................................................7
4
Requirements for testing.................................................................................................10
4.1
Required characteristics........................................................................................10
4.1.1
Basic motion..............................................................................................10
4.1.2
Spurious motion.........................................................................................10
4.1.3
Signal tolerance.........................................................................................11
4.1.4
Vibration amplitude tolerances...................................................................11
4.1.5
Frequency tolerances.................................................................................11
4.1.6
Sweep.......................................................................................................12
4.2
Control strategy.....................................................................................................12
4.2.1
Single/multipoint control.............................................................................12
4.2.2
Multi-reference control...............................................................................13
4.3
Mounting...............................................................................................................13
5
Severities.......................................................................................................................13
5.1
Frequency range....................................................................................................14
5.1.1
Lower frequency f
1
Hz...............................................................................14
5.1.2
Upper frequency f
2
Hz...............................................................................14
5.2
Vibration amplitude................................................................................................14
5.3
Duration of endurance...........................................................................................17
5.3.1
Endurance by sweeping.............................................................................17
5.3.2
Endurance at fixed frequencies..................................................................18
6
Preconditioning...............................................................................................................18
7
Initial measurements.......................................................................................................18
8
Testing...........................................................................................................................18
8.1
General.................................................................................................................18
8.2
Vibration response investigation.............................................................................19
8.3
Endurance procedures...........................................................................................19
8.3.1
Endurance by sweeping.............................................................................19
8.3.2
Endurance at fixed frequencies..................................................................19
9
Intermediate measurements............................................................................................20
10
Recovery........................................................................................................................20
11
Final measurements.......................................................................................................20
12
Information to be given in the relevant specification.........................................................20
13
Information to be given in the test report.........................................................................21
Annex A (informative) Guide to test Fc.................................................................................23
Annex B (informative) Examples of severities primarily intended for components..................36
Annex C (informative) Examples of severities primarily intended for equipment.....................37
Bibliography..........................................................................................................................39
60068-2-6 © IEC:2007 – 3 –
Figure 1 – Nomogram relating vibration amplitude to frequency with lower cross-over
frequency (8 Hz to 10 Hz)......................................................................................................15
Figure 2 – Nomogram relating vibration amplitude to frequency with higher cross-over
frequency (58 Hz to 62 Hz)....................................................................................................16
Figure 3 – Nomogram relating vibration displacement amplitude to frequency (only
applicable for frequency ranges with an upper frequency of 10 Hz)........................................17
Figure A.1 – Generalized transmissibility factors for vibration isolators...................................33
Table A.1 – Number of sweep cycles and associated endurance times per axis.....................30
Table A.2 – CB response time...............................................................................................31
Table A.3 – CPB response time.............................................................................................32
Table B.1 – Endurance by sweeping – Examples with higher cross-over frequency................36
Table C.1 – Endurance by sweeping – Examples with lower cross-over frequency.................37
Table C.2 – Endurance by sweeping – Examples with higher cross-over frequency................38
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资源评论
- 本本纲目2023-07-26这个文件详细解释了IEC标准下环境试验中的振动测试,对工程师们非常实用。
- 嗨了伐得了2023-07-26这个文件提供了清晰的指导,让用户能够快速了解试验Fc中振动试验的要求和方法。
- 巴蜀明月2023-07-26该文件为环境试验中振动测试提供了权威的标准,对于产品可靠性验证具有重要指导意义。
- Jaihwoe2023-07-26通过简明扼要的描述,使读者能够迅速了解试验Fc的内容,不需要阅读大量冗长的文档。
- 陈莽昆2023-07-26文件给出了合理的振动参数范围,能够满足多种应用场景下振动测试的需求。
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