Q2/ A conical clutch an included angle of 60º. the outer radius and inner diameters are 80 and 20 cm respectively. Calculate the maximum and minimum intensity of pressure and force required to press the two halves together if it is to transmit 20 MW, at 60 rev/h. the coefficient of friction is 0.3, Use both the uniform wear theory and the uniform pressure theory.

Q2/ A conical clutch an included angle of 60º. the outer radius and inner diameters are 80 and 20 cm respectively. Calculate the maximum and minimum intensity of pressure and force required to press the two halves together if it is to transmit 20 MW, at 60 rev/h. the coefficient of friction is 0.3, Use both the uniform wear theory and the uniform pressure theory.

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

See similar textbooks

Similar questions

A cone clutch is to transmit 7.5 kW at 900 rpm. The cone has a face angle of 12o. The width of the face ishalf of the mean radius and the normal pressure between the contact faces is not exceeding0.09Nmm2⁄. Assuming uniform wear and the coefficient friction between contact faces as 0.2. Find themain dimensions of the clutch and the axial force required to engage the clutch.
Two pulleys, one 650 mm diameter and the other 400 mm diameter, on parallel shafts 1.5 m apart are connected by a flat belt. Find the length of the belt required and the angle of contact between the belt and each pulley. What power can be transmitted by the belt when the larger pulley rotates at 1200 rev/min, if the maximum permissible tension in the belt is 10 kN, and the coefficient of friction between the belt and pulley is 0.05? dont write handwritten solution.
Two pulleys, one 650 mm diameter and the other 400 mm diameter, on parallel shafts 1.5 m apart are connected by a flat belt. Find the length of the belt required and the angle of contact between the belt and each pulley. What power can be transmitted by the belt when the larger pulley rotates at 1200 rev/min, if the maximum permissible tension in the belt is 10 kN, and the coefficient of friction between the belt and pulley is 0.05? give proper explaination and dont give handwritten solution.
Q2 ) A cone clutch is to transmit 10 KW at 600 r.p.m. the cone has aface angle of 10◦The width of the face is halfe of the mean radius and the max pressureis 0.1 N/mm²Assuming uniform wear and the coefficient of friction is 0.3, find theinner and outer radius and the axial force required on the clutch.
Two pulleys, one 425mm diameter and the other 210mm diameter are one parallel shaft 2m apart and are connected by a crossed flat belt. Find the length of the belt required and the angle of conduct between the belt and each pulley. What power can be transmitted by the belt when the larger pulley rotates at 200 rev/min, if the maximum permissible tension in the belt is 1 kN, and the coefficient of friction between the belt and pulley is 0.3?
The 10 N cylinder moves in a friction tube. Spring constants are k1 = 150 N / m and k2 = 200 N / m. When the system is at rest, d = 0.5 m. The system rotates around a fixed z-axis. In the case where d = 0.12 m, what is the coefficient of friction for the cylinder to have a constant velocity of 9.825 m / s?
A V-belt drives a pulley at a speed of 1440 m/min. The coefficient of friction between belt andpulley is 0.3, semi V-groove angle is 22.5o and angle of contact of belt with the pulley is 160o. Ifthe mass of the belt is 0.45 kg/m and if permissible pull in the belt is 800 N. Calculate the power.Consider the centrifugal tension in the belt.
The diameter of the pulley on the compressor shaft must not be greater than 1.2 metre while the centre distance between the pulleys is limited to 1.85 metre. A compressor, requiring 95000W is to run at about 500 r.p.m. The drive is by V- belts from an electric motor running at 1500 r.p.m. The belt speed should not exceed 1500 m/min. The coefficient of friction between the belt and the pulley is 0.3. Determine the number of V-belts required to transmit the power if each belt has a crosssectional area of 3 cm2, density 1100 kg/m3 and an allowable tensile stress of 3 MPa. The groove angle of the pulley is 50°. Calculate also the length required of each belt.
Find the power transmitted by a belt running over a pulley of 600 mm diameter at200 r.p.m. The coefficient of friction between the belt and the pulley is 0.25,angle of lap 160° and maximum tension in the belt is 2500 N.
A bicycle and rider, travelling at 12 km/hr on a level road, have a mass of 105 kg. A brake is applied to the rear wheel, which is 800 mm in diameter. The pressure force on the brake is 80 N and the coefficient of friction is 0.06. Find the distance covered by the bicycle and the number of turns of its wheel before coming to rest.
Determine the axial spring force necessary to engage the clutch, when an engine developing 30kW at 500 r.p.m. is fitted with a cone clutch built inside the flywheel. The cone has a face angle of 13.5o and a maximum mean diameter of 300 mm. The coefficient of friction is 0.25. The normal pressure on the clutch face is not to exceed 0.1 N/mm2
Two parallel shafts whose centre lines are ‘5’ m apart, are connected by an open belt drive. The diameter of the larger pulley is ‘3’ m and that of smaller pulley ‘3’ m. The initial tension in the belt when stationary is ‘4’ kN. The coefficient of friction between the belt and the pulley is 0.3. Calculate the power transmitted, when the smaller pulley rotates at ‘700’ r.p.m. and length of the belt.