Question: Figure P2212 shows a tumbling barrel being driven through a wormgear reduction unit. Evaluate the torque rating required for a clutch to accelerate the barrel

Figure P22–12 shows a tumbling barrel being driven through a wormgear reduction unit. Evaluate the torque rating required for a clutch to accelerate the barrel to 38.0 rpm from rest in 2.0 s,

Data in Figure P22–12,

(a) If the clutch is placed on the motor shaft.

(b) If it is placed at the output of the reducer. Neglect the inertia of the gear shafts, the bearing races, and the clutch. Consider the worm and wormgear to be solid cylinders.

Motor 1150 rpm Clutch (a) Wormgear Barrel 1 -Worm: 8.00 in long 3.50-in dia. -Worm gear: Clutch 16.0-in dia. 2.50 in wide (b) Hub- 22.0 in -18.0 in- 28 in dia.. 24-in dia. Hollow cylindricall barrel 38 rpm Barrel shaft: 36.0 in long 4.0-in dia. Hubs (2): 2.00 in wide 8.00-in dia. Hub

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a If the clutch is placed on the motor shaft To calculate the required torque rating for the clutch we can use the following equation T I t where T is ... View full answer

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