You are to design a lifting platform with the specifications as given below. It

Question

You are to design a lifting platform with the specifications as given below. It will be powered
by an electric motor and there will be a gear reduction unit to transmit the power to lift the
platform. The platform will be mobile and will be transformed to the place where it will be
used. (See project data sheet for your data):

Load to be lifted: (A) N
Lifting Height: (B) m
Linear lifting speed: (C) m/s
Power to be delivered by the electric motor : (will be determined) kW
Input speed : (will be determined) rpm
Output speed: (will be determined) rpm
Gear and bearing life: ? (D) hours
Design factor for shafts : (E) value
Efficiency of the reduction gears: (F) percent
Platform size: G (mxm)
Height of the platform when not in use:H (m)
Infinite life for shafts
Operation temperature : -20 to 70

Explanation / Answer

lifting platform

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