Page 8 - 6742
P. 8
CALCULATION WORK’S SOLUTION EXAMPLE
1 Research equation of motion of the mechanism’s input link
1.1 Problem for the calculation work
F о
5
D
b
4
3
C
c
B
2
O
1
A ω 1
1
φ 1 a
O
Fig. 1.1 – Diagram of the linkage mechanism
Input data:
l OA=0,120 m, l АB=0,400 m, l О1B=0,250 m, l BC=0,100 m,
-1
l CD=0,300 m, а=350 m, b=0,275 m, с=0,270 m, ω 1=7 s ,
F 0 =1150 N – force of useful effort.
2
J 0 = 31 kg×m – mechanism’s equivalent mass moment of
inertia relatively to crank.
7