A power transmission shaft is to carry a steady 30 horsepower while rotating at 1000 rpm. Specify a suitable diameter for the solid circular shaft if it is to be made from AISI 1020 cold-drawn steel. Use Appendix A-2 for preferred size.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Steady loading has design factor of 2 & design shear stress of (yield strength divided by 4)
3 / 9
100%
A power transmission shaft is to carry a steady 30 horsepower while
rotating at 1000 rpm. Specify a suitable diameter for the solid circular shaft if it is to
be made from AISI 1020 cold-drawn steel. Use Appendix A-2 for preferred size.
2.
Transcribed Image Text:3 / 9 100% A power transmission shaft is to carry a steady 30 horsepower while rotating at 1000 rpm. Specify a suitable diameter for the solid circular shaft if it is to be made from AISI 1020 cold-drawn steel. Use Appendix A-2 for preferred size. 2.
8 / 9
84%
+ |
A-2 Preferred basic sizes.
SI metric
Fractional (in.)
Decimal (in.)
(mm)
0.015 625
5.000
0.010
2.00
8.50
1.0
40
0,031 25
5.250
0.012
2.20
9.00
1.1
45
0.0625
5.500
0,016
2.40
9.50
1.2
50
0.093 75
54
5.750
0.020
2.60
10.00
1.4
55
0.1250
6.
6.000
0.025
2.80
10.50
1.6
60
0.156 25
64
6.500
0.032
3.00
11.00
1.8
8
70
0.1875
7
7.000
0.040
3.20
11.50
2.0
80
0.2500
74
7.500
0.05
3.40
12.00
22
90
0.3125
8.000
0,06
3.60
12.50
2.5
100
0.3750
8.500
0.08
3.80
13.00
2.8
110
0.4375
6.
9.000
0.10
4.00
13.50
3.0
120
0.5000
9.500
0.12
4.20
14.00
3.5
140
0.5625
10
10.000
0.16
4.40
14.50
4.0
160
0.6250
104
10.500
0.20
4.60
15.00
4.5
180
0.6875
11
11.000
0.24
4.80
15.50
5.0
200
%23
0.7500
11
11.500
0.30
5.00
16.00
5.5
220
0.8750
12
12.000
0.40
5.20
16.50
6.
250
1.000
124
12.500
0.50
5.40
17.00
7.
280
1.250
13
13.000
0.60
5.60
17.50
300
14
1.500
134
13.500
0.80
5.80
18.00
69
350
1.750
14
14.000
1.00
6.00
18.50
10
400
2.000
14
14.500
1.20
6.50
19.00
11
450
24
2.250
15
15.000
1.40
7.00
19.50
12
500
24
24
2.500
154
15.500
1.60
7.50
20.00
14
550
2.750
16
16.000
1.80
8.00
16
600
3
3.000
164
16.500
18
700
17.000
34
34
3.250
17
20
800
3.500
174
17.500
22
900
31
3.750
18
18.000
25
1000
4.
4.000
184
18.500
28
44
4.250
19
19.000
30
44
4.500
194
19.500
35
44
4.750
20
20.000
Note: The sies highlighted in blue are the first choices. Use the sizes in black when a smaller
increment is nceded.
DEC
15
étv A
Aa
Transcribed Image Text:8 / 9 84% + | A-2 Preferred basic sizes. SI metric Fractional (in.) Decimal (in.) (mm) 0.015 625 5.000 0.010 2.00 8.50 1.0 40 0,031 25 5.250 0.012 2.20 9.00 1.1 45 0.0625 5.500 0,016 2.40 9.50 1.2 50 0.093 75 54 5.750 0.020 2.60 10.00 1.4 55 0.1250 6. 6.000 0.025 2.80 10.50 1.6 60 0.156 25 64 6.500 0.032 3.00 11.00 1.8 8 70 0.1875 7 7.000 0.040 3.20 11.50 2.0 80 0.2500 74 7.500 0.05 3.40 12.00 22 90 0.3125 8.000 0,06 3.60 12.50 2.5 100 0.3750 8.500 0.08 3.80 13.00 2.8 110 0.4375 6. 9.000 0.10 4.00 13.50 3.0 120 0.5000 9.500 0.12 4.20 14.00 3.5 140 0.5625 10 10.000 0.16 4.40 14.50 4.0 160 0.6250 104 10.500 0.20 4.60 15.00 4.5 180 0.6875 11 11.000 0.24 4.80 15.50 5.0 200 %23 0.7500 11 11.500 0.30 5.00 16.00 5.5 220 0.8750 12 12.000 0.40 5.20 16.50 6. 250 1.000 124 12.500 0.50 5.40 17.00 7. 280 1.250 13 13.000 0.60 5.60 17.50 300 14 1.500 134 13.500 0.80 5.80 18.00 69 350 1.750 14 14.000 1.00 6.00 18.50 10 400 2.000 14 14.500 1.20 6.50 19.00 11 450 24 2.250 15 15.000 1.40 7.00 19.50 12 500 24 24 2.500 154 15.500 1.60 7.50 20.00 14 550 2.750 16 16.000 1.80 8.00 16 600 3 3.000 164 16.500 18 700 17.000 34 34 3.250 17 20 800 3.500 174 17.500 22 900 31 3.750 18 18.000 25 1000 4. 4.000 184 18.500 28 44 4.250 19 19.000 30 44 4.500 194 19.500 35 44 4.750 20 20.000 Note: The sies highlighted in blue are the first choices. Use the sizes in black when a smaller increment is nceded. DEC 15 étv A Aa
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