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A shaft has three eccentrics of mass 1kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20 mm, 30 mm, and 20 mm and their angular positions are 120 degree apart. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balances by adding two masses at a radius of 70 mm and at a distance of 100 mm from the central plane of the middle eccentrics, find the amount of masses and their angular positions. (Use graphical method for solution)

A shaft has three eccentrics of mass 1kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20 mm, 30 mm, and 20 mm and their angular positions are 120 degree apart. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balances by adding two masses at a radius of 70 mm and at a distance of 100 mm from the central plane of the middle eccentrics, find the amount of masses and their angular positions. (Use graphical method for solution)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A shaft has three eccentrics of mass 1kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20 mm, 30 mm, and 20 mm and their angular positions are 120 degree apart. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balances by adding two masses at a radius of 70 mm and at a distance of 100 mm from the central plane of the middle eccentrics, find the amount of masses and their angular positions. (Use graphical method for solution)

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