A shaft have three eccentrics, each 75 mm diameter and 25 mm thick, machined in one piece with the shaft. The central planes of the eccentric are 60 mm apart. The distance of the centers from the axis of rotation are 12 mm, 18 mm and 12 mm and their angular positions are 120° apart. The density of metal is 7000 kg/m³. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balanced by adding two masses at a radius 75 mm and at distances of 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions. Q10/ A shaft have three eccentrics, each 75 mm diameter and 25 mm thick, machined in onepiece with the shaft. The central planes of the eccentric are 60 mm apart. The distance of thecenters from the axis of rotation are 12 mm, 18 mm and 12 mm and their angular positionsare 120° apart. The density of metal is 7000 kg/m³. Find the amount of out-of-balance forceand couple at 600 rpm. If the shaft is balanced by adding two masses at a radius 75 mm andat distances of 100 mm from the central plane of the middle eccentric, find the amount ofthe masses and their angular positions.

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Answered: Find the amount of out-of-balance force

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 have three eccentrics, each 75 mm diameter and 25 mm thick, machined in one piece with the shaft. The central planes of the eccentric are 60 mm apart. The distance of the centers from the axis of rotation are 12 mm, 18 mm and 12 mm and their angular positions are 120° apart. The density of metal is 7000 kg/m³. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balanced by adding two masses at a radius 75 mm and at distances of 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.

Q10/ A shaft have three eccentrics, each 75 mm diameter and 25 mm thick, machined in one
piece with the shaft. The central planes of the eccentric are 60 mm apart. The distance of the
centers from the axis of rotation are 12 mm, 18 mm and 12 mm and their angular positions
are 120° apart. The density of metal is 7000 kg/m³. Find the amount of out-of-balance force
and couple at 600 rpm. If the shaft is balanced by adding two masses at a radius 75 mm and
at distances of 100 mm from the central plane of the middle eccentric, find the amount of
the masses and their angular positions.

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