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Bulk material handling is an engineering field that is centered on designing and manufacturing of special equipment utilized to handle mainly dry materials such as ores, grains, sand, gravel and stone in loose bulk form. Mineral production, for instance, depends on a great quantity of bulk material handling equipment in order to move an impressive portion of the iron and copper ore productions in the world. In the following we want to explain how hydrodynamic couplings operate and how they can improve the MTTR of bulk material handling equipment drives.

The 17^th edition of the biannually held EXPOSIBRAM took place from September 18^th to 21^st in Belo Horizonte (MG), Brazil. With a floorspace of 12.000 m², this exhibition is considered one of the greatest mining events in South America, gathering representives of government authorities, contractors as well as private organizations in the same place. EXPOSIBRAM also hosts the Brazilian Mining Congress, which is organized by IBRAM (Brazilian Mining Association).