Q3/ A shaft has three eccentric of mass 1 kg cach. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20, 30 and 20 mm and their angular positions are 120° apart. If the shaft is balanced by adding two masses at a radius of 70 mm and at a distance 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q3/ A shaft has three eccentric of mass 1 kg cach. The central plane of the eccentrics is 50
mm apart. The distances of the centers from the axis of rotation are 20, 30 and 20 mm and
their angular positions are 120° apart. If the shaft is balanced by adding two masses at a
radius of 70 mm and at a distance 100 mm from the central plane of the middle eccentric,
find the amount of the masses and their angular positions.
Transcribed Image Text:Q3/ A shaft has three eccentric of mass 1 kg cach. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20, 30 and 20 mm and their angular positions are 120° apart. If the shaft is balanced by adding two masses at a radius of 70 mm and at a distance 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.
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