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Traction drive machine 2011-07-11

As the elevator industry, traction drive system also has been great progress. Currently, the elevator traction machine as long as there are two types: first gear traction machine, such as the worm gear rotation, planetary gear drive, etc.; twenty recent years the development of permanent magnet synchronous . Both have advantages and disadvantages of each tractor. Which drive the tractor in gear efficiency of energy consumption, noise and so there is inadequate; and permanent tooth synchronous gearless traction machine in energy-saving, efficiency, noise, there are obvious advantages. In both, there is a new type of tractor to obtain the industry's focus, which is asynchronous gearless traction machine, the motor is integrated with the permanent power index tooth synchronous traction machine at a certain level.

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