BSI PD IEC/TR 62343-6-5:2014
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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 |
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.
PDF Catalog
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 |