QUESTION 1 [20 Marks] A pulley driving a shaft has a diameter of 600 mm. The belt driving the pulley has an angle of wra

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QUESTION 1 [20 Marks] A pulley driving a shaft has a diameter of 600 mm. The belt driving the pulley has an angle of wra

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Question 1 20 Marks A Pulley Driving A Shaft Has A Diameter Of 600 Mm The Belt Driving The Pulley Has An Angle Of Wra 1
Question 1 20 Marks A Pulley Driving A Shaft Has A Diameter Of 600 Mm The Belt Driving The Pulley Has An Angle Of Wra 1 (41.43 KiB) Viewed 12 times
QUESTION 1 [20 Marks] A pulley driving a shaft has a diameter of 600 mm. The belt driving the pulley has an angle of wrap of 180°C and the coefficient of friction of 0.4. Assume that the actual ratio of belt tensions is 75% of the maximum ratio of belt tensions. The speed of the shaft is 750 r/min and 5 kW of power is being delivered. The pulley overhangs the right hand bearing by 150 mm. The distance between the bearings is 850 mm. determine the required shaft diameter if the maximum allowable shearing stress is not to exceed 40 MPa, and the maximum allowable direct stress is 50 MPa. Assume shock and fatigue factors for gradually loaded shaft.
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