The parallel-link mechanism ABCD is used to transport a component I between manufacturing processes at stations E, F, and G by picking it up at a station when θ = 0 and depositing it at the next station when θ = 180°. Knowing that member BC remains horizontal throughout its motion and that links AB and CD rotate at a constant rate in a vertical plane in such a way that v B = 2.2 ft/s, determine ( a ) the minimum value of the coefficient of static friction between the component and BC if the component is not to slide on BC while being transferred, ( b ) the values of θ for which sliding is impending. Fig. P12.62
The parallel-link mechanism ABCD is used to transport a component I between manufacturing processes at stations E, F, and G by picking it up at a station when θ = 0 and depositing it at the next station when θ = 180°. Knowing that member BC remains horizontal throughout its motion and that links AB and CD rotate at a constant rate in a vertical plane in such a way that v B = 2.2 ft/s, determine ( a ) the minimum value of the coefficient of static friction between the component and BC if the component is not to slide on BC while being transferred, ( b ) the values of θ for which sliding is impending. Fig. P12.62
Solution Summary: The author explains how to find the coefficient of static friction between the component and BC.
The parallel-link mechanismABCD is used to transport a component I between manufacturing processes at stations E, F, and G by picking it up at a station when θ = 0 and depositing it at the next station when θ = 180°. Knowing that member BC remains horizontal throughout its motion and that links AB and CD rotate at a constant rate in a vertical plane in such a way that vB = 2.2 ft/s, determine (a) the minimum value of the coefficient of static friction between the component and BC if the component is not to slide on BC while being transferred, (b) the values of θ for which sliding is impending.
Fig. P12.62
Branch of science that deals with the stationary and moving bodies under the influence of forces.
5.112 A mounting bracket for electronic components is formed from sheet
metal with a uniform thickness. Locate the center of gravity of the
bracket.
0.75 in.
3 in.
༧
Fig. P5.112
1.25 in.
0.75 in.
y
r = 0.625 in.
2.5 in.
1 in.
6 in.
x
4-105. Replace the force system acting on the beam by an equivalent resultant force and couple
moment at point B.
A
30 in.
4 in.
12 in.
16 in.
B
30%
3 in.
10 in.
250 lb
260 lb
13
5
12
300 lb
Sketch and Describe a hatch coaming and show how the hatch coamings are framed in to ships strucure?
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
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