Determine the resulting torque of a uniform pressure frictional clutch having 4 discs in the driving part and 5 ones in the driven part>The angular speed is 100 rad/sec and the applied load is 2 KN. The outer and inner radii of the frictional faces are 300 and 450 mms respectively with a coefficient of friction of 0.3. How much power will be developed? e 12:26

Determine the resulting torque of a uniform pressure frictional clutch having 4 discs in the driving part and 5 ones in the driven part>The angular speed is 100 rad/sec and the applied load is 2 KN. The outer and inner radii of the frictional faces are 300 and 450 mms respectively with a coefficient of friction of 0.3. How much power will be developed? e 12:26

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 multi-plate clutch must transmit 11 kW of power without slipping at 1500 rev/min. The coefficient of friction is 0.3. The inner and outer radis are 30 and 85 mm respectively. The axial force applied to the plates is 780 N. Determine the number of plates required using.
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.
Q8 A multi-disk clutch consists of two steel disks with one bronze disk. The inner and outer diameters ofthe contacting surfaces are 200 and 250 mm respectively. The coeffi cient of friction is 0.1 and themaximum pressure between the contacting surfaces is limited to 0.4 N/mm. Assuming uniform weartheory, calculate the required force to engage the clutch and the power transmitting capacity at 720rpm.
Q1/ A plate clutch having a single driving plate with contact surfaces on each side is required to transmit 110 kW at 1250 r.p.m. The outer diameter of the contact surfaces is to be 300 mm. The coefficient of friction is 0.4. (a) Assuming a uniform pressure of 0.17 N/mm? ; determine the inner diameter of the friction surfaces. (b) Assuming the same dimensions and the same total axial thrust, determine the maximum torque that can be transmitted and the maximum intensity of pressure when uniform wear conditions have been reach.
A cone clutch has an angle of 12 dgrees and coefficient of friction of 0.42. Find the axial forcerequired if the capacity of the clutch is 8 KW at 500 rpm. The mean diameter of the active conicalsections is 300 mm. Use uniform wear method.
Example: An automotive single-plate clutch with twe of friction Surfaces, transmits a 300 N-m to- pairs rque at 1500 rp.m. The inner and outer diameters of the friction disck are 170 and 270 mm The cofficient of friction is 0-35. The normal for- ce on the friction Surfaces is exerted by nine helical Compre ssion springs, so that the clutch is always engia- ged. The clutch is dis engaged when the external force Further Compresses (5) and the number of ac Five Coile are (6) The are made of patented and Cold-drawn steel respectively. the springs. The spring index is Springs wires of minimum tensile Stmength (MTS) (N/mm?)as Wive dia. 1 1-21-4 1.6 1-8 2 2.53 3.6445567 MTS, 1900 i2601817e0175017201640 1570 I510 1480 440 139013201260 NI mr The permissible shear stress for the wire is 30%. of the ultimate tensile strength, and (G-81370 Nimn). Design the springs and specily their dimensisns. Use this relatian to obtaine to the total normal fore required to transmit the torque. F= 4T where Dis…
Q: A single plate clutch, effective on both sides, is required to transmit 20 kW at 2500 rpm. Determine the outer and inner diameters of frictional surface if the coefficient of friction is 0.26 and check their with wear rating. The maximum pressure is not to exceed 0.002 N/mm?. Also, determine the axial thrust to be provided by springs. Clutch plate with friction lining ‘Body Bl X Pressure plate Hub Thrust Springs Flywheel Crank shaft Bl Driven shaft riving shaft 4 Release lever (withdrawl finger) O Knife edge
Q3 / A multi – plate clutch is to transmit 12 kW at 1500 r.p.m. The inner and outer radii for the plates are to be 50 mm and 100 mm respectively. The maximum axial spring forces is restricted to 1 kN. Answer the following questions 1- The necessary number of pairs of surfaces is µ= 0.35 assuming constant wear. 2- The necessary number of pairs of surfaces is constant pressure. µ= 0.18 assuming 3- The axial force 4- Percentage increase in forces is
A local utility vehicle production company have considered using in one of its design a multi-disc clutch consisting of a 9 steel disc and 8-bronze discs with effective outside and inside diameter of 220mm and 160mm, respectively. If the shaft turns at 150rpm and an axial force of 600N is applied, find the horsepower capacity, considering a coefficient of friction of 0.25
A leather faced cone clutch transmits power at 500 rpm. The semi-coneangle a is 12.5°. The mean diameter of the clutch is 300 mm, while the facewidth of the contacting surface of the friction lining is 100 mm. The coefficientof friction is 0.2 and the maximum intensity of pressure is limited to 0.07N/mm2. Calculate the force to engage the clutch and the power transmittingcapacity.
25 Q1/ A plate clutch having a single driving plate with contact surfaces on each side is required to transmit 110 kW at 1250 r.p.m. The outer diameter of the contact surfaces is to be 300 mm. The coefficient of friction is 0.4. (a) Assuming a uniform pressure of 0.17 N/mm2 ; determine the inner diameter of the friction surfaces. (b) Assuming the same dimensions and the same total axial thrust, determine the maximum torque that can be transmitted and the maximum intensity of pressure when uniform wear conditions have been reach.
Q2/ A dry single plate clutch is to be designed for an automotive vehicle whose engine is rated to give 100 kW at 2400 r.p.m. and maximum torque 500 N-m. The outer radius of the friction plate is 25% more than the inner radius. The intensity of pressure between the plate is not to exceed 0.07 N/mm?. The coefficient of friction may be assumed equal to 0.3. The helical springs required by this clutch to provide axial force necessary to engage the clutch are eight. If each spring has stiffness equal to 40 N/mm, determine the dimensions of the friction plate and initial compression in the springs