Ex3/ A rotating shaft carry four unbalanced masses 18 kg, 14 kg, 16 kg and 12 kg at radii 5 6 cm, 7 cm and 6 cm respectively. The 2nd, 3rd and 4th masses revolve in plane 8 cm, 16 cm and 28 cm respectively measured from the plane of the first mass and are angularly located at 60°. 135° and 270° respectively measured anticlockwise from the first mass locating from this mass end of the shaft. The shaft dynamically balanced by two masses both located at 5 cm radii and revolving in plane mid way between there of 1st and 2nd masses and mid way between these of 3rd and 4th masses. Determine graphically the magnitude of the masses and their respective angular position cm,
Ex3/ A rotating shaft carry four unbalanced masses 18 kg, 14 kg, 16 kg and 12 kg at radii 5 6 cm, 7 cm and 6 cm respectively. The 2nd, 3rd and 4th masses revolve in plane 8 cm, 16 cm and 28 cm respectively measured from the plane of the first mass and are angularly located at 60°. 135° and 270° respectively measured anticlockwise from the first mass locating from this mass end of the shaft. The shaft dynamically balanced by two masses both located at 5 cm radii and revolving in plane mid way between there of 1st and 2nd masses and mid way between these of 3rd and 4th masses. Determine graphically the magnitude of the masses and their respective angular position cm,
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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The following example will explain the procedure.
Ex3/ A rotating shaft carry four unbalanced masses 18 kg, 14 kg 16 kg and 12 kg at radi 5 cm,
6 cm, 7 cm and 6 cm respectively. The 2nd 3rd and 4th masses revolve in plane 8 cm, 16 cm and
28 cm respectively measured from the plane of the first mass and are angularly located at 60°
135° and 270° respectively measured anticlockwise from the first mass locating from this mass
end of the shaft. The shaft dynamically balanced by two masses both located at 5 cm radii and
revolving in plane mid way between there of 1st and 2nd masses and mid way between these of 3rd
and 4th masses. Determine graphically the magnitude of the masses and their respective angular
position.
Solution
C.
T.
MF
135°
60°230
221
4 cm
8 cm
16cm
6.
6 cm
28 cm
ME
( D
T.
A.
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