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RMC mills, the cutting-edge grinding plant expansion solution

The new range of micro-sphere refiner mills presented by Sacmi at the last edition of Tecnargilla aroused keen interest among visitors to the fair

The most technologically advanced solution for the modernisation and expansion of existing grinding departments was presented by Sacmi at the last edition of Tecnargilla: this is the new range of RMC micro-sphere refiner mill, designed by the Imola-based Sacmi group for the wet refinement of ceramic materials.

Thanks to an outstanding power/volume ratio that reduces both overall dimensions and weight, the new RMC mills can easily be introduced into existing grinding plants, boosting output while lowering energy consumption. On this new mill, special micro-sphere and centrifugal media rotation technology gives users energy savings of 30% compared to refinement in traditional drum-type ball mills. The use of small grinding media also provides a high number of contact points and the centrifugal force exerted by the high rotation rates ensures that even the hardest  materials are refined.

On the technical side, the new RMC mill has a static grinding chamber with an internal anti-wear lining to prevent product contamination. A stainless steel discharge filter with an appropriately sized clearance prevents the load from coming out and maximises through-rates. Made of quenched and tempered steel, the agitator shaft is fully lined in polyurethane and features discs designed to maximise grinding efficiency. The axial-pin centrifugal separator is firmly attached to the agitator shaft to separate grinding media from product at the filter outlet. All mechanical components have been sized to minimise machine downtimes; parts subject to wear can easily be removed and the grinding cylinder is fitted on wheels and rails to make maintenance easier. All RMC mills are also equipped with an inverter to vary shaft rotation speed and adapt working conditions to the specifications of each individual product. Lastly, since installation of the RMC requires no costly, space-occupying foundation work, additional costs associated with civil engineering works are drastically reduced.

It should come as no surprise, then, that this latest gem from Sacmi aroused keen interest among the ever-more energy-attentive ceramic producers  visiting the Tecnargilla fair.


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