The bell-crank mechanism is in equilibrium for an applied load of P = 48 kN. Assume that a = 290 mm, b = 235 mm, and 0 = 67°. The pin at B has a diameter of d = 11 mm, and the bell crank has a thickness of t = 15 mm. Calculate the bearing stress in the bell crank at pin B.
The bell-crank mechanism is in equilibrium for an applied load of P = 48 kN. Assume that a = 290 mm, b = 235 mm, and 0 = 67°. The pin at B has a diameter of d = 11 mm, and the bell crank has a thickness of t = 15 mm. Calculate the bearing stress in the bell crank at pin B.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Part 1
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Use equilibrium to determine the magnitude of the reaction force at pin B.
Answer:
B = 56.85
KN
Part 2
Determine the projected area of contact between the pin and the bell crank.
Answer:
A = i
mm²
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Transcribed Image Text:The bell-crank mechanism is in equilibrium for an applied load of P = 48 kN. Assume that a = 290 mm, b = 235 mm, and 0 = 67°. The pin
at B has a diameter of d = 11 mm, and the bell crank has a thickness of t = 15 mm. Calculate the bearing stress in the bell crank at pin B.
(1)
C
F₁
Bell crank
B
a
Support bracket
b
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