(a) Define what is meant by "selective assembly" and briefly explain why this method is used in manufacturing and give one product example where selective assembly is used. The following sample of 20 pins, each 30 mm long were produced with a specified diameter of 8.5 mm +/- 0.5 mm. Diameter Range (mm) 8.0 8.2 8.2 8.4 Quantity 4 8.4-8.6 8.6-8.8 9. 6. b) Show a suitable method of measuring the diameter of the parts, illustrate your answer with your own sketch. State the resolution and accuracy of the method selected. c) Find the mean diameter and standard deviation. Confirm if the manufacturing process is "capable" by calculating the Process Capability Index Cp. d) If the Machine Capability Index Cm was used instead, would this indicate that a change in manufacturing method was required, quantify your answer.
(a) Define what is meant by "selective assembly" and briefly explain why this method is used in manufacturing and give one product example where selective assembly is used. The following sample of 20 pins, each 30 mm long were produced with a specified diameter of 8.5 mm +/- 0.5 mm. Diameter Range (mm) 8.0 8.2 8.2 8.4 Quantity 4 8.4-8.6 8.6-8.8 9. 6. b) Show a suitable method of measuring the diameter of the parts, illustrate your answer with your own sketch. State the resolution and accuracy of the method selected. c) Find the mean diameter and standard deviation. Confirm if the manufacturing process is "capable" by calculating the Process Capability Index Cp. d) If the Machine Capability Index Cm was used instead, would this indicate that a change in manufacturing method was required, quantify your answer.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
Please answer 3c with working out and 3D as the others have already been answered and label each part
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0.0384
0 0051
|0.0094
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0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.00
0.01
0.02
0.4641
0.4247
0.3859
0.3483
0.3121
0.2776
0.2451
0.2148
0.1867
0.1611
0.1379
0.1170
0.0985
0.0823
0.0681
0.0559
0.0455
0.0367
0.0294
0.0233
0.0183
0.0143
0.0110
0.0084
0.0064
0.0043
0.0036
0.0026
0.0019
0.0014
0.00100
0.00071
0.00050
0.00035
0.00024
0.00017
0.4761
0.4364
0.3974
0.3594
0.3228
02877
0.2546
0,2236
0.1949
0.4721
0.4325
0.3936
0.3557
0.3192
0.4681
0.4286
0.3897
0.3520
0.3156
0.2810
0.2483
0.2177
0.1894
0.1635
0.1401
0.1190
0.1003
0.0838
0.0694
0.0571
0.0465
0.0375
0.0301
0.0239
0.0188
0.0146
0.0113
0.008
0.4840
0.4443
0.4052
0.3669
0.3300
0.4801
0.4404
0.4013
0.3632
0.3264
0.2912
0.4880
0.4483
0.4090
0.3707
0.3336
0.2981
0.2643
0.2327
0.2033
0.1762
0.1515
0.1292
0.1093
0.0918
0.0764
0.0630
0.0516
0.0418
0.0336
0.0268
0.0212
0.0166
0.0129
0.0099
0.4920
0.4522
0.4129
0.3745
0.3372
0.5000
0.4602
0.4207
0.3821
0.3346
0.3085
0.2743
0.2420
0.2119
0.1841
0.1587
0.4960
0.4562
0.4168
0.3783
0.3409
0.3050
0.2709
0.2389
0.2090
0.1814
0.1562
0.1335
0.1131
0.0951
0.0793
0.0655
0.0537
0.0
0.1
0.2
0.3
0.4
0.5
0.2843
0.2514
0.2207
0.1922
0.1660
0.3015
0.2676
0.2946
0.2611
0.2297
0.2005
0.1736
0.1492
0.1271
0.1075
0.0901
0.0749
0.0618
0.0505
0.0409
0.0329
0.0262
0.0207
0.0162
0.0125
0.0096
0.0073
0.0055
0.0041
0.0031
0.0023
0.0016
0.00118
0.00085
0.00060
0.00042
0.00029
0.00020
0.2578
0.2266
0.1977
0.6
0.7
0.8
0.9
1.0
1.1
0.2358
0.2061
0.1788
0.1539
0.1314
0.1112
0.0934
0.0778
0.0643
0.1711
0.1469
0.1251
0.1057
0.0883
0.0735
0.0606
0.0495
0.1685
0.1446
0.1230
0.1038
0.0869
0.0721
0.0594
0.0485
0.0392
0.1423
0.1210
0.1020
0.0853
0.0708
0.0582
0.0475
0.0384
0.0307
0.0244
0,0192
0.0150
0.0116
0.1357
0.1151
0.0968
0.0808
0.0668
0.0548
0.0446
0.0359
0.0287
0.0228
0.0179
0.0139
0.0107
0.0082
0.0062
0.0047
0.0035
0.0026
0.0019
0.00135
0.00097
0.00069
0.00048
0.00034
0.00023
12
| 1.3
14
15
0.0526
0.0520
0.0427
1.6
1.7
1.8
19
2.0
0.0436
0.0351
0.0281
0.0222
0.0174
0.0136
0.0104
0.0080
0.0060
0.0401
0.0322
0.0256
0.0202
0.0158
0.0122
0.0094
0.0071
0.0054
0.0040
0.0030
0.0022
0.0016
0.00114
0.00082
0.00058
0.00040
0.00028
0.00019
0.0344
0.0274
0.0217
0.0170
0.0132
00102
0.0314
0.0250
0.0197
0.0154
2.1
22
23
0.0102
0.0078
0.0059
0.0044
0.0033
0.0024
0.0017
0.00126
0.00090
0.00064
0.00045
0.00031
0.00022
0.0119
0.0091
0.0069
0.0052
0.0039
0.0029
0.0021
0.0015
0.00111
0.00079
0.00056
0.00039
0.00027
0.00019
0.0089
0.0068
0.0051
0.0038
0.0028
0.0021
0.0015
0.00107
0.00076
0.00054
0.00038
0.00026
0.00018
7
0.0066
2.4
25
2.6
2.7
2.8
2.9
3.0
3.1
3.2
33
3.4
3.5
0.0075
0.0057
0.0043
0.0032
0.0023
0.0017
0.00122
0.00087
0.00062
0.00043
0.00030
0.00021
0.0045
0.004
0.0037
0.005
0.0027
0.0045
0.0034
0.0025
0.0018
0.00131
0.00094
0.00066
0.00047
0.00033
0.00022
0.0020
0.0014
0.00104
0.00074
0.00052
0.00036
0.00025
0.00017
Statistical Table
Areas undera normal curve
Probability of a value being greater than [+X] or less than [-X]
Values in left hand column can be used for +/-Z
ZL
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Transcribed Image Text:0.0019
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0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.00
0.01
0.02
0.4641
0.4247
0.3859
0.3483
0.3121
0.2776
0.2451
0.2148
0.1867
0.1611
0.1379
0.1170
0.0985
0.0823
0.0681
0.0559
0.0455
0.0367
0.0294
0.0233
0.0183
0.0143
0.0110
0.0084
0.0064
0.0043
0.0036
0.0026
0.0019
0.0014
0.00100
0.00071
0.00050
0.00035
0.00024
0.00017
0.4761
0.4364
0.3974
0.3594
0.3228
02877
0.2546
0,2236
0.1949
0.4721
0.4325
0.3936
0.3557
0.3192
0.4681
0.4286
0.3897
0.3520
0.3156
0.2810
0.2483
0.2177
0.1894
0.1635
0.1401
0.1190
0.1003
0.0838
0.0694
0.0571
0.0465
0.0375
0.0301
0.0239
0.0188
0.0146
0.0113
0.008
0.4840
0.4443
0.4052
0.3669
0.3300
0.4801
0.4404
0.4013
0.3632
0.3264
0.2912
0.4880
0.4483
0.4090
0.3707
0.3336
0.2981
0.2643
0.2327
0.2033
0.1762
0.1515
0.1292
0.1093
0.0918
0.0764
0.0630
0.0516
0.0418
0.0336
0.0268
0.0212
0.0166
0.0129
0.0099
0.4920
0.4522
0.4129
0.3745
0.3372
0.5000
0.4602
0.4207
0.3821
0.3346
0.3085
0.2743
0.2420
0.2119
0.1841
0.1587
0.4960
0.4562
0.4168
0.3783
0.3409
0.3050
0.2709
0.2389
0.2090
0.1814
0.1562
0.1335
0.1131
0.0951
0.0793
0.0655
0.0537
0.0
0.1
0.2
0.3
0.4
0.5
0.2843
0.2514
0.2207
0.1922
0.1660
0.3015
0.2676
0.2946
0.2611
0.2297
0.2005
0.1736
0.1492
0.1271
0.1075
0.0901
0.0749
0.0618
0.0505
0.0409
0.0329
0.0262
0.0207
0.0162
0.0125
0.0096
0.0073
0.0055
0.0041
0.0031
0.0023
0.0016
0.00118
0.00085
0.00060
0.00042
0.00029
0.00020
0.2578
0.2266
0.1977
0.6
0.7
0.8
0.9
1.0
1.1
0.2358
0.2061
0.1788
0.1539
0.1314
0.1112
0.0934
0.0778
0.0643
0.1711
0.1469
0.1251
0.1057
0.0883
0.0735
0.0606
0.0495
0.1685
0.1446
0.1230
0.1038
0.0869
0.0721
0.0594
0.0485
0.0392
0.1423
0.1210
0.1020
0.0853
0.0708
0.0582
0.0475
0.0384
0.0307
0.0244
0,0192
0.0150
0.0116
0.1357
0.1151
0.0968
0.0808
0.0668
0.0548
0.0446
0.0359
0.0287
0.0228
0.0179
0.0139
0.0107
0.0082
0.0062
0.0047
0.0035
0.0026
0.0019
0.00135
0.00097
0.00069
0.00048
0.00034
0.00023
12
| 1.3
14
15
0.0526
0.0520
0.0427
1.6
1.7
1.8
19
2.0
0.0436
0.0351
0.0281
0.0222
0.0174
0.0136
0.0104
0.0080
0.0060
0.0401
0.0322
0.0256
0.0202
0.0158
0.0122
0.0094
0.0071
0.0054
0.0040
0.0030
0.0022
0.0016
0.00114
0.00082
0.00058
0.00040
0.00028
0.00019
0.0344
0.0274
0.0217
0.0170
0.0132
00102
0.0314
0.0250
0.0197
0.0154
2.1
22
23
0.0102
0.0078
0.0059
0.0044
0.0033
0.0024
0.0017
0.00126
0.00090
0.00064
0.00045
0.00031
0.00022
0.0119
0.0091
0.0069
0.0052
0.0039
0.0029
0.0021
0.0015
0.00111
0.00079
0.00056
0.00039
0.00027
0.00019
0.0089
0.0068
0.0051
0.0038
0.0028
0.0021
0.0015
0.00107
0.00076
0.00054
0.00038
0.00026
0.00018
7
0.0066
2.4
25
2.6
2.7
2.8
2.9
3.0
3.1
3.2
33
3.4
3.5
0.0075
0.0057
0.0043
0.0032
0.0023
0.0017
0.00122
0.00087
0.00062
0.00043
0.00030
0.00021
0.0045
0.004
0.0037
0.005
0.0027
0.0045
0.0034
0.0025
0.0018
0.00131
0.00094
0.00066
0.00047
0.00033
0.00022
0.0020
0.0014
0.00104
0.00074
0.00052
0.00036
0.00025
0.00017
Statistical Table
Areas undera normal curve
Probability of a value being greater than [+X] or less than [-X]
Values in left hand column can be used for +/-Z
ZL
근u.
Transcribed Image Text:npatibinty VIode
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3.
(a) Define what is meant by "selective assembly" and briefly explain
why this method is used in manufacturing and give one product
example where selective assembly is used.
The following sample of 20 pins, each 30 mm long were produced with
a specified diameter of 8.5 mm +/- 0.5 mm.
Diameter Range (mm)
8.0 8.2
8.2 8.4
8.4-8.6
8.6-8.8
Quantity
b) Show a suitable method of measuring the diameter of the parts,
illustrate your answer with your own sketch. State the resolution
and accuracy of the method selected.
c) Find the mean diameter and standard deviation. Confirm if the
manufacturing process is "capable" by calculating the Process
Capability Index Cp.
d) If the Machine Capability Index Cm was used instead, would this
indicate that a change in manufacturing method was required,
quantify your answer.
1496
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