8. A product was determined to have a critical acceleration of 50 g. You are to design a cushion to protect the product from as many as four drops from 18 inches. Using the cushion curves in the appendix, determine the most cost-efficient foam cushioning solution using (list a single thickness and static load)?
8. A product was determined to have a critical acceleration of 50 g. You are to design a cushion to protect the product from as many as four drops from 18 inches. Using the cushion curves in the appendix, determine the most cost-efficient foam cushioning solution using (list a single thickness and static load)?
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Transcribed Image Text:8.
A product was determined to have a critical acceleration of 50 g. You are to design
a cushion to protect the product from as many as four drops from 18 inches. Using the
cushion curves in the appendix, determine the most cost-efficient foam cushioning
solution using (list a single thickness and static load)?
Transcribed Image Text:Appendix:
Amplification Factors: ½ Sine Pulse
1₁/1₂
Alpha 1₁/1₂
0.1
0.200
2.8
0.2
0.396
2.9
0.3
0.588
3.0
0.4
0.771
3.1
0.5
0.943
3.2
0.6
1.102
3.3
0.7
1.246
3.4
0.8
1.373
3.5
0.9
1.482
3.6
1.0
1.571
3.7
1.1
1.640
3.8
1.2
1.690
3.9
1.3
1.726
4.0
1.4
1.750
4.1
1.5
1.763
4.2
1.6
1.768
4.3
1.7
1.767
4.4
1.8
1.759
4.5
1.9
1.747
4.6
2.0
1.732
4.7
2.1
1.714
4.8
2.2
1.694
4.9
2.3
1.672
5.0
2.4
1.649
5.1
2.5
1.625
5.2
2.6
1.600
5.3
2.7
1.575
5.4
Alpha
1.550
1.525
1.500
1.475
1.451
1.426
1.402
1.379
1.356
1.333
1.311
1.289
1.268
1.247
1.227
1.207
1.188
1.170
1.151
1.133
1.116
1.099
1.083
1.098
1.112
1.124
1.134
15/1₂
5.5
5.6
5.7
5.8
5.9
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7.0
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8.0
8.1
Alpha
1.143
1.150
1.157
1.162
1.167
1.170
1.172
1.174
1.175
1.176
1.175
1.175
1.173
1.172
1.169
1.167
1.164
1.160
1.157
1.153
1.149
1.145
1.140
1.135
1.131
1.126
1.120
19/1₂
8.3
8.4
8.5
8.7
8.8
9.0
9.1
92
9.4
9.5
9.6
9.7
9.8
9.9
10.0
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
Alpha
1.115
1.110
1.104
1.099
1.093
1.067
1.062
1.076
1.070
1.075
1.000
1.063
1.067
1.090
1.092
1.094
1.097
1.098
1.100
1.101
1.102
1.102
1.103
1.103
1.103
1.102
1.102
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