A shaft carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as to give static balance. Find the relative angular positions of the radii which define the unbalance. If the shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes 300 rev/min.
A shaft carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as to give static balance. Find the relative angular positions of the radii which define the unbalance. If the shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes 300 rev/min.
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 carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys
are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as
to give static balance. Find the relative angular positions of the radii which define the unbalance. If the
shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes
300 rev/min.
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