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+

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

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A multi-plate disc cluteh Iransmits 55 kW of power 1800 Coefficient rpm of friction for the fric tion surfaces is (L Axial ntensity of pressure IS not to eYceed 160 AV m internal radius is 80 mm and is 07 times the The elernal ralus. Find the number of plates needed to transmit the requred torque
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…
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