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29.06.2015
The next generation in wet grinding
NETZSCH-Feinmahltechnik, Selb, Germany, points out that agitator bead mills are used for grinding and dispersing a wide variety of products such as paints and lacquers, functional coatings, ceramics, plant protection products, foods, cosmetics and pharmaceuticals. These products have diverse rheological properties, temperature limits, particle size and particle size distribution characteristics. Therefore, to provide optimal processing requires different methods of operation, specific energies and energy densities in the agitator bead mill, which can be realised using different versions of the machine with discs or pegged agitators. Depending on the product group and product properties, different types of agitator bead mills of different sizes and drive performance are used, so until now the use of a universal agitator bead mill has not been practical.
However, the company has now developed the new ALPHA® modular machine platform. Compared to earlier-generation machines, this series is designed such that different grinding systems can be mounted on the same base platform as appropriate for a defined drive capacity. The advanced DISCUS® disc grinding system is used here primarily for dispersion applications in multi-pass operation. The ZETA® system with optimised grinding media separation is used mainly for operation in the circulation or multi-passage mode. As the third grinding system, the new MACRO® peg system facilitates highest power input in passage operation. www.netzsch.com/gd
The ergonomic design of the ALPHA includes a self-supporting grinding chamber, which ensures good accessibility to the grinding area during operation and maintenance
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