A simple flat belt drive system shown in the figure has a driving pulley diameter 220mm and runs at 800 r.p.m. clockwise; the diameter of driven pulley is 360mm. The contact angle is 210°. The belt wide is 20mm and 8mm thick. The belt mass per unit length is 0.5 kg/m and the maximum stress in the belt is 8 MN/m. If the coefficient of friction between the belt and pulley is 0.25; take the centrifugal force in to account and determine: 1. Redraw the figure and show (The Tight and Slack sides, tension and centrifugal forces directions at this two sides and the contact angles) 2. The speed of the belt on the driving pulley 3. The tension forces on the belt in the Tight and Slack sides 4. Power transmitted in the system The generated Torgue in the driving pulley

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Q1:
A simple flat belt drive system shown in the figure has a driving pulley diameter 220mm and runs at 800 r.p.m.
clockwise; the diameter of driven pulley is 360mm. The contact angle is 210°. The belt wide is 20mm and 8mm
thick. The belt mass per unit length is 0.5 kg/m and the maximum stress in the belt is 8 MN/m. If the
coefficient of friction between the belt and pulley is 0.25; take the centrifugal force in to account and
determine:
1. Redraw the figure and show (The Tight and Slack sides, tension and centrifugal forces directions at this
two sides and the contact angles)
2. The speed of the belt on the driving pulley
3. The tension forces on the belt in the Tight and Slack sides
4. Power transmitted in the system
5. The generated Torque in the dri ing pulley
Driven Pulley
Driving Pulley
Transcribed Image Text:Q1: A simple flat belt drive system shown in the figure has a driving pulley diameter 220mm and runs at 800 r.p.m. clockwise; the diameter of driven pulley is 360mm. The contact angle is 210°. The belt wide is 20mm and 8mm thick. The belt mass per unit length is 0.5 kg/m and the maximum stress in the belt is 8 MN/m. If the coefficient of friction between the belt and pulley is 0.25; take the centrifugal force in to account and determine: 1. Redraw the figure and show (The Tight and Slack sides, tension and centrifugal forces directions at this two sides and the contact angles) 2. The speed of the belt on the driving pulley 3. The tension forces on the belt in the Tight and Slack sides 4. Power transmitted in the system 5. The generated Torque in the dri ing pulley Driven Pulley Driving Pulley
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