Example: An automotive single -plate clutch with two pairs of friction Surfaces, transmits a 300 N-m to- rque at 1500 rip.m. The inner and outer diameters of the friction disck are 17o and 270 mm The cofficient of friction is 0.35. The normaA 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 the (5) and the number of acFive Coile are (6). The Springs are madeof patented and Cold -drawn steel wires of minimum tensile Strength (MTS) (N/mm²) as respectively. springs The spring index is Wive dia. 1 "d(mm) 67 1.21.4 1.6 18 2 2.53 3.6 44.5 5 MTS21900 |1260|182|780175011720116401153011S10|1480114401139이1320112601 NI mm) The permissible shear stress for the of the ultimate tensile strength, and (G-81370 Nimnf). Design the springs and specify their dimensions. Use this relatan to obtaine to the total normal force required to transmit the torque. F= 4T where D is outer diameter and dis inner diameter for the disk (Assume No Curyature effect). spring wire is 30%. M(D+

Example: An automotive single -plate clutch with two pairs of friction Surfaces, transmits a 300 N-m to- rque at 1500 rip.m. The inner and outer diameters of the friction disck are 17o and 270 mm The cofficient of friction is 0.35. The normaA 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 the (5) and the number of acFive Coile are (6). The Springs are madeof patented and Cold -drawn steel wires of minimum tensile Strength (MTS) (N/mm²) as respectively. springs The spring index is Wive dia. 1 "d(mm) 67 1.21.4 1.6 18 2 2.53 3.6 44.5 5 MTS21900 |1260|182|780175011720116401153011S10|1480114401139이1320112601 NI mm) The permissible shear stress for the of the ultimate tensile strength, and (G-81370 Nimnf). Design the springs and specify their dimensions. Use this relatan to obtaine to the total normal force required to transmit the torque. F= 4T where D is outer diameter and dis inner diameter for the disk (Assume No Curyature effect). spring wire is 30%. M(D+

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 7.77P: The cone clutch transmits the torque C through a conical friction surface with cone angle . The...

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