Phosphate mining with Rammer hammer
The use of high reach hammers in a mining application is rather unusual. However, a Rammer hammer has been successfully working in such a way at the Siilinjärvi phosphate mine in Yara Suomi. A Rammer 2155 hydraulic hammer is normally installed on carriers in the 16 to 26 t operating weight class. At the Siilinjärvi phosphate mine in Yara Suomi, one of the world’s largest manufacturers of mineral fertilizers, the 1300 kg hammer model is being mounted on a Cat 345 CL excavator with a working weight of 52 t (Fig.). This unusual configuration, with the hammer’s relatively small size in comparison...
