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BSI PD IEC/TR 62343-6-5:2014

BSI PD IEC/TR 62343-6-5:2014

$142.49

Dynamic modules – Design guide. Investigation of operating mechanical shock and vibration tests for dynamic modules

Published By Publication Date Number of Pages
BSI 2014 28
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This part of IEC 62343, which is a technical report, describes an investigation into operating mechanical shock and vibration for dynamic modules. It also presents the results of a survey on the evaluation and mechanical simulation of mechanical shock and vibration testing. Also included is a study of standardization for operating mechanical shock and vibration test methods.

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PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 1 Scope
2 Background
3 Questionnaire results in Japan
9 4 Evaluation plan
5 Evaluation results
5.1 Step 1
5.1.1 Evaluation of hammer impact
Figures
Figure 1 – Photos of evaluating hammer impact, rack and boards
10 Figure 2 – Evaluation results of hammer impact H
Tables
Table 1 – Rack and board specifications, conditionsof evaluating hammer impact and acquiring data
11 5.1.2 Evaluation of adjacent board insertion and rack handle impact
5.2 Step 2
Figure 3 – Photos of evaluating adjacent board insertion and rack handle impact
12 Figure 4 – DUT (VOA and WSS) installed on PC boards and rack for second step of the evaluation
Figure 5 – Oscilloscope display of waveform changes in vibration and optical output
Table 2 – Dynamic modules used in evaluation and evaluation conditions
13 5.3 Step 3
5.3.1 MEMS-VOA
Figure 6 – Evaluation results when employing MEMS-VOA for Z-axis
14 Figure 7 – Photos of the MEMS-VOA shock/vibration test equipment
Figure 8 – Operating shock characteristics of MEMS-VOA
Table 3 – Conditions for MEMS-VOA vibration/shock evaluation
15 Figure 9 – Vibration evaluation results for MEMS-VOA (Z-axis; 2 G)
Table 4 – Results of MEMS-VOA vibration evaluation
16 5.3.2 WSS and tuneable laser
Figure 10 – Shock and vibration evaluation system for WSS and tuneable laser
17 Figure 11 – Shock evaluation results for WSS (directional dependence)
Figure 12 – Shock evaluation results for WSS (z-axis direction and shock dependence)
18 6 Simulation
6.1 Simulation model
Table 5 – Conditions for simulating board shock and vibration
19 6.2 Frequency characteristics
Figure 13 – Simulation model
Figure 14 – Vibration simulation results
20 6.3 Dependence on PC board design
Figure 15 – Vibration simulation results (dependence on board conditions)
21 6.4 Consistency of evaluation and simulation results
7 Summary
Table 6 – Comparison of hammer impact shock evaluation results and vibration
simulation (conditions: 1,6 mm × 240 mm × 220 mm, t × H × D)
22 8 Conclusions
23 Annex A (informative) Results of a questionnaire on dynamic module operating shock and vibration test conditions
A.1 Background
A.2 Questionnaire methodology
A.3 Survey result
24 Table A.1 – Summary of survey results on operating shock and vibration test conditions
26 Bibliography

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BSI PD IEC/TR 62343-6-5:2014
$142.49