Engineering, 23.08.2019 17:20, angie0928ag

Acompound gearbox is to be designed as part of a lifting hoist. the hoist shaft must operate at 20 r. p.m. the gearbox will be driven by a motor of output power 1.2kw. the output torque from the motor is 8nm. within the gearbox, the maximum speed ratio to be used at any stage is 3: 1. the minimum number of teeth on any gear pair is 18. determine: (i)theoretical gearbox ratio (ii)number of gearbox stages needed (iii)number of teeth on all gears (iv)actual speed ratio at each stage (v)actual output torque

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Acompound gearbox is to be designed as part of a lifting hoist. the hoist shaft must operate at 20 r...