* Motor power calculation of hoisting device (Indoor EOC) * Hoisting speed : V = m/min * Rated load : R = ton * Hook(attachment) weight : A = ton * No. of wire rope fall : N = fall * Wire rope reeving efficiency : Er = (Refer to N & sheave bearing) * Wire drum efficiency : Ed = (Refer to wire drum bearing) * Gear reducer efficiency : Eg = (Refer to gear reducer stage no.) * Used motor power : Pu..
