The team at the David Brown Santasalo (DBS) purpose-built state-of-the-art facility in Jyvaskyla, Finland were delighted to have a further opportunity to work with Europe’s largest iron ore producer, manufacturing another impressive segmented ADI (Austempered Ductile Iron) girth gear.

This particular customer was one of the DBS Finnish team’s first customers for the then-new helical segmented ADI girth gear concept for horizontal mills more than a decade ago, the gear has been running without issue ever since. The customer, pleased with the longevity and quality of the gear, returned to DBS for several similar gears with this being the latest.

DBS aimed to push gear technology development forward with these ADI-segmented gears, and the results have been very promising. The customer approached the DBS team because they required a replacement for an existing traditional-type gear that was in operation at their facility.  

This gear is running a Ball Mill as a part of the customer's iron ore grinding circuit, DBS delivered the 7-meter diameter ADI segmented girth gear, weighing 16.4 tons and comprising of 12 segments.

dbsantasalo.com