A plate clutch has 3 discs on the driving shaft and 2 discs on the driven shaft, providing four pairs of contact surfaces. The outside diameter of the contact surfaces is 240 mm and inside diameter 120 mm. Assuming uniform pressure and coeff. Of friction is 0.3. Find the total spring load pressing the plates together to transmit 23kw power at 1475 revolution per minute. If there 6 springs each of stiffness 13 kN/m and each of the contact surfaces has worn away by 1.25 mm. find the maximum power that can be transmitted assuming uniform wear. A plate clutch has 3 discs on the driving shaft and 2 discs on the driven shaft, providing four pairs of contact surfaces. The outside diameter of the contact surfaces is 240 mm and inside diameter 120 mm. Assuming uniform pressure and coeff. Of friction is 0.3. Find the total spring load pressing the plates together to transmit 23kw power at 1475 revolution per minute. If there 6 springs each of stiffness 13 kN/m and each of the contact surfaces has worn away by 1.25 mm. find the maximum power that can be transmitted assuming uniform wear.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.70P: Solve Sample Problem 7.16 if the contact pressure under the polisher varies parabolically from p0 at...
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A plate clutch has 3 discs on the driving shaft and 2 discs on the driven shaft, providing four pairs of contact surfaces. The outside diameter of the contact surfaces is 240 mm and inside diameter 120 mm. Assuming uniform pressure and coeff. Of friction is 0.3. Find the total spring load pressing the plates together to transmit 23kw power at 1475 revolution per minute. If there 6 springs each of stiffness 13 kN/m and each of the contact surfaces has worn away by 1.25 mm. find the maximum power that can be transmitted assuming uniform wear. A plate clutch has 3 discs on the driving shaft and 2 discs on the driven shaft, providing four pairs of contact surfaces. The outside diameter of the contact surfaces is 240 mm and inside diameter 120 mm. Assuming uniform pressure and coeff. Of friction is 0.3. Find the total spring load pressing the plates together to transmit 23kw power at 1475 revolution per minute. If there 6 springs each of stiffness 13 kN/m and each of the contact surfaces has worn away by 1.25 mm. find the maximum power that can be transmitted assuming uniform wear. 

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