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In a rod mill of diameter 3.8m I have three types of rod size distribution like 100 mm ,85mm ,70mm.In petcoke operation the vendor suggest that the wear rate is 52gms per ton of dry petcoke charged. I want to know the wear rate of individual rods like (100mm or 85mm or 70 mm) or in other language I want to know after how many days 100mm rods become 70 mm? How the wear rate will be divided in the rod size distribution?
I need help on this topic. It will be very much helpful for me.