1 August 2017

A technological pioneer

The MAAG CEM Drive is the real innovation in the cement industry.

Martin Baechler, FLSmidth MAAG Gear AG, Switzerland, explores the science behind a new drive system for vertical roller mills.

Appeared in World Cement, August 2017


By the end of the first decade of the 21st Century, two main events had forced manufacturers to think about new drive solutions for vertical roller mills. The first was the demand for more power, driven by the increased production rate of single mills. The second was an accumulation of fatal gear failures. Recognising these issues, and seeking to reduce the complexity of the drive system, product development engineers from FLSmidth MAAG Gear began to develop a new solution ten years ago.

CEM drive, the integrated drive system from FLSmidth MAAG Gear, manages to balance the newest technology and proven design, as well as standardisation, without losing the flexibility to adapt to the individual grinding process. Whether it is uesed in combination with the OK mill, or if it replaces a conventional gearbox under any kind of vertical roller mill, it operates at the optimum point according to the process requirements.
The first CEM drive unit has been in operation for more than six months and is testimony to the success of this new development.

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