January 24, 2018

Machine Room (MR) System

machine-room-elevatorMACHINE ROOM (MR) SYSTEM
Geared traction machine are driven by AC VVVF or DC electric motors. Geared machine use Worm gears to control mechanical movement of elevator cars by “rolling” steel hoist ropes over a drive sheave which is attached to a Gearbox driven by a high-speed motor. These machine are generally the best option for basement or overhead traction use for Speeds up to 3 m/s.