Q) A multiple clutch has three pairs of contact surfaces. The outer and inner radii of the contact surfaces are 100 mm and 50 mm respectively. The maximum axial spring force is limited to 1 kN. If the coefficient of fiction is 0.35, assuming uniform wear, find the power transmitted by the clutch at 1500 r.p.m.

Q) A multiple clutch has three pairs of contact surfaces. The outer and inner radii of the contact surfaces are 100 mm and 50 mm respectively. The maximum axial spring force is limited to 1 kN. If the coefficient of fiction is 0.35, assuming uniform wear, find the power transmitted by the clutch at 1500 r.p.m.

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

Q. A multiplate clutch has three pairs of contact surfaces. The outer and inner radii of the contact surfaces are 100 mm and 50 mm respectively. The maximum axial spring force is limited to 1 kN. If the coefficients of friction is 0.35 and assuming uniform wear, find the power transmitted by the clutch at 1500 r.p.m.
A multiplate clutch has three pairs of contact surfaces. The outer and inner radii of the contact surfaces are 100 mm and 50 mm respectively. The maximum axial spring force is limited to 1 kN. If the coefficient of friction is 0.35 and assuming uniform wear, find the power transmitted by the clutch at 1500 r.p.m.
Q. A multi disc clutch has 5 plates having four pairs Myd of active friction surfaces. If the intensity of pressure is not to exceed 127 kN/m?, find the power in kW transmitted at 500 r.p.m, if the outer and inner radii of friction surfaces are 125 mm and 75 mm respectively. Assume uniform wear and take coefficient of friction as 0.3.
A single plate clutch transmits 25 kW at 900 rpm. The maximum pressure intensity is 85 kN/m. The outer diameter of plate is 360 mm with both sides effective and coefficient of friction 0.25, find the inner diameter of plate.
A A multiple disc clutch transmits 55 kW of power at 1800 r.p.m. The coefficient of friction is 0.1 and the axial intensity of pressure is not to exceed 160 kN/m. The internal radius is 80 mm and is 0.7 times the external radius. Find the number of plates needed to transmit the required torque.
Q2) A multi-plate clutch as in the figure below transmits power at 1500 rpm. The coefficient of friction is 0.4 the inner and outer diameters are 30 and 150 mm respectively. The axial force applied to the plate is 400N. Calculate the torque and power that can be transmitted without slipping using the uniform pressure theory, (03)
4) In a single plate clutch both sides are effective. The clutch transmits 10 Kw power. The maximum torque is 120 Nm, the maximum axial force should not be more that 100 KN/m2. The outer diameter of the clutch plate is 1.3 times of the inner diameter. Find out the axial load exerted by the spring and outer and inner diameters of the clutch plate.
Q2 ) A cone clutch is to transmit 10 KW at 600 r.p.m. the cone has a face angle of 10° The width of the face is halfe of the mean radius and the max pressure is 0.1 N/mm2 Assuming uniform wear and the coefficient of friction is 0.3, find the inner and outer radius and the axial force required on the clutch.
1- A single plate clutch with both sides of the plate effective is required to transmit 25 kw at 100 r.p.m. the outer diameter of the plate is Limited to 300 mm and the intensity of pressure between the plates not to exceed 0.07 N/mm? . Assuming uniform wear and coefficient of the friction 0.3 , find the inner diameter of the plates and the axial force necessary to engage clutch . chaft
H.W (3): A multi-disc clutch has three discs on the driving shaft and two on the driven shaft. The outside diameter of the contact surfaces is 240 mm and inside diameter 120 mm. Assuming uniform wear and coefficient of friction as 0.3, find the maximum axial intensity of pressure between the discs for transmitting 25 kW at 1575 r.p.m. Ans. : p = 0.062 N/mm2
The larger diameter and face of the disk of a multiple disk chutch are 225 mm and 20 mm respectively. The load applied to the spring of the clutch axially is 1500 N. Assuming that there are 8 pairs of friction 0.18 and tuning 800 rpm. Find the power transmitted by the clutch using uniform pressure method. (Ans, 13.67 kW)
A multiplate disc clutch has 6 active friction surfaces. power transmitted is 20 kW at 400 rpm. Inner and outer radii of the friction surfaces are 90 mm and 120 mm respectively. Assuming uniform wear, with a coefficient of friction 0.3. Find the maximum axial intensity of pressure between the discs.