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Powerful Flender vertical mill drives from Siemens

07 July 2010

Siemens Industry Drive Technologies Division has introduced a Flender vertical mill drive that prevents load surges arising from short term power interruptions. The unit also optimises performance between drive and mill, enabling power ranges to be expanded to 15MW. Reliability has also been enhanced through a reduction in the number of components susceptible to faults. 

The EMPP (electrical motor and two planetary gears) vertical mill power transmission system features a permanent magnet synchronous motor with a highly efficient cooling system, controlled by a frequency converter. This ensures maximum running smoothness combined with optimum grinding results for varying operating conditions.
 
The new units are available in power ratings from 500kW to 15MW and, above a certain size, units can be delivered in two parts and assembled on site.

This new mill drive meets the requirements of the ATEX Directive.


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