F 20cm W 40 em ( H {[ F 20 cm. # m₂ DS 424

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F 20cm W 40 Em H F 20 Cm M Ds 424 1 (535.13 KiB) Viewed 40 times

The shaft carrying the three discs in the figure rotates at ω=75 rad/s in the A and B bearings. Masses of the discs: m1=11 kg, m2=11

kg, m3=11 kg. Eccentricities: r1=9 mm, r2=11 mm, r3=13 mm.

a) Calculate the reaction forces that the imbalances in the discs will create in the A and B bearings.

b) the amount of balancing masses that must be added to the disks of mass m1 and m3 to balance the rotor, and

find its location. (The balancing masses will be located on the discs at a distance of rL= rR= 35 mm
F 20cm W 40 em ( H {[ F 20 cm. # m₂ DS 424