Patina Copper Cuffs Formed On Roller Mill
Patina copper cuffs formed on roller millopper grinding process,ball mill machine for copper all mill for copper grinding processingrinding ball mills he ore would then flow into ball mills similar to the rod millsteel balls inside the ball mills were about the size and weight of a shotput ballhese grinding mills rotated anywhere form 1 to 5 times per secondet.