Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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EXAM/3
Q/In the figure below the clamping force on the pipe is (331.7 lb), knowing that a single threaded screw Acme
with major diameter (1 in) is used with coefficient of sliding friction (0.2135) and booth screw and nut are made
from 1030 - hot rolled Carbon Steel. If the collar has a rolling friction of 0.02 and the mean collar diameter is
1.75 in.
Determine:
1- The tightening and loosening torques. Is it self-locking?
2- Thread screw and nut induced stresses.
w*7.3+² + Fx (7.3+1+6+43))
Fy (3
10
3.3 in
Fx 421
3.3 (sin(
'in
3 in
?) 32°
hinge
"Sin (12")
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Transcribed Image Text:EXAM/3 Q/In the figure below the clamping force on the pipe is (331.7 lb), knowing that a single threaded screw Acme with major diameter (1 in) is used with coefficient of sliding friction (0.2135) and booth screw and nut are made from 1030 - hot rolled Carbon Steel. If the collar has a rolling friction of 0.02 and the mean collar diameter is 1.75 in. Determine: 1- The tightening and loosening torques. Is it self-locking? 2- Thread screw and nut induced stresses. w*7.3+² + Fx (7.3+1+6+43)) Fy (3 10 3.3 in Fx 421 3.3 (sin( 'in 3 in ?) 32° hinge "Sin (12")
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