Modern elevators are mainly composed of traction machines (winches), guide rails, counterweight devices, safety devices (such as speed limiters, safety gears and buffers, etc.), signal control systems, cars and hall doors. These parts are respectively installed in the hoistway and machine room of the building. Steel wire rope friction transmission is usually used. The wire rope goes around the traction sheave, and the two ends are respectively connected to the car and the counterweight. The motor drives the traction sheave to lift the car up and down. Elevators are required to be safe and reliable, with high conveying efficiency, accurate leveling and comfortable riding. The basic parameters of the elevator mainly include rated load capacity, number of passengers, rated speed, car outline size and shaft type, etc.
Boral small machine room passenger elevator adpots latest techology of permanent magnet gearless traction machine which does not require a speed reducing mechanism and eliminates the use of pollution lubricating oil in a conventional gear box. Thereby establishing a new age of elevators for green functionality and ECO-friendliness.
Noise in the machine room is substantially reduced because no noise is generated by the gear when the motro is running at high speeds.
Small machine room means space saving. COmpared with conventional machine room elevtors, our small machine room requireds 60% less aea.
Boral new ultra-slim PM door operator employs BORAL's highly-developed transmission mechanism which uses a PM motor as the driving device. Compared with conventional motor driving door operators, around 35% reduce in energy usage is achieved.
With multiple security settings, the adoption of a terminal holding device provides more stable, smooth opening and closing actions, ensuring safe elevator operator. In addtion, the ultra-slim design saves hoistway sapce.
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