Question: The lift cage in Figure No2 is hoisted by means of a rope wound round a 0.344 [m] diameter drum. The number of teeths
The lift cage in Figure No2 is hoisted by means of a rope wound round a 0.344 [m] diameter drum. The number of teeths per gear are: Gear Nel is 20. Gear Ne3 is 25, Gear Ne4 is 75. Gear Ne5 is 35. Gear Ne7 is 105. The torque provided by motor to Gear Nel is 180 [Nm]. Find: The holding torque if the efficiency of gear box is 75%. Mass of lift cage that can be lifted by mechanism. Motor A WAST 1 2 3 Fig.2 7 6 Drum 5 m Sen MECH
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To solve this problem we need to consider the torque transfer and the mechanical advantage provided by the gears in the system a The holding torque if ... View full answer
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