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A shaft is supported in bearings 1.8 m apart and projects 0.45 m beyond bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The mass of end pulley is 48 kg and 20 kg and their center of gravity are 15 mm and 12.5 mm respectively from the shaft axis as shown in Figure Q3. Given that B has a mass of 56 kg, center of gravity 15mm and its position is on the middle between bearing L and M. If the pulleys are arranged so as to give static balance and by taking bearing L as reference plane, determine a. the relative angular positions of the pulleys b. the dynamics forces produced on the bearings when the shaft rotates at 300 rpm

A shaft is supported in bearings 1.8 m apart and projects 0.45 m beyond bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The mass of end pulley is 48 kg and 20 kg and their center of gravity are 15 mm and 12.5 mm respectively from the shaft axis as shown in Figure Q3. Given that B has a mass of 56 kg, center of gravity 15mm and its position is on the middle between bearing L and M. If the pulleys are arranged so as to give static balance and by taking bearing L as reference plane, determine a. the relative angular positions of the pulleys b. the dynamics forces produced on the bearings when the shaft rotates at 300 rpm

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 is supported in bearings 1.8 m apart and projects 0.45 m beyond bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The mass of end pulley is 48 kg and 20 kg and their center of gravity are 15 mm and 12.5 mm respectively from the shaft axis as shown in Figure Q3. Given that B has a mass of 56 kg, center of gravity 15mm and its position is on the middle between bearing L and M. If the pulleys are arranged so as to give static balance and by taking bearing L as reference plane, determine a. the relative angular positions of the pulleys b. the dynamics forces produced on the bearings when the shaft rotates at 300 rpm
& UTM UTM -ve R.P +ve A E UTM 5 UTM 5 M& UTM UTM B 3 UTM &UTM UTM M & UTM 0.45 m UTM M UTM & UCM UT mu 8 UTM 5 UTM UTM 2.7 m 0.45 m m s UTUTM 5 UTM UTM
Transcribed Image Text:& UTM UTM -ve R.P +ve A E UTM 5 UTM 5 M& UTM UTM B 3 UTM &UTM UTM M & UTM 0.45 m UTM M UTM & UCM UT mu 8 UTM 5 UTM UTM 2.7 m 0.45 m m s UTUTM 5 UTM UTM
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