Rod Mill Design Calculations    
                             
        Model Input     Model Output            
      Feed rate to mill MTPH     Power Draw/Mill, HP (Table V), Purple Cell **    
      Feed rate to mill STPH     Number of Mills required (Table V)      
Feed F80 (μm)     3.66 Rod Mill diameter (m) (Table V)      
Product P80 (μm)     Rod Mill inside shell diameter (m) (Table V)    
Work index Kwh/short ton     EF3 Diameter efficiency (Table iX)      
Total work required to produce the product (kWh/s. ton)     Total Power required (updated), HP      
Ratio of reduction Rr     Per Mill Power Required (updated), HP      
Optimum feed size (μm)     Base Rod Length (m) (Table V)        
Efficiency factor, EF4     Rod Mill Length to Draw Power in Gray Cell (m) (Table V)  
      HPh/metric tonne EF8                    
      Total Power required, HP     Rod Mill Length (m) (updated)        
      Rro     Rod Length (m) (updated)        
      EF6     Total Power Required/Mill (updated Rod Length), HP  
                             
    This is a Wet open-circuit grinding application.   **Select Nearest Mill with 40% Charge        
                             
                             
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