Products Ball Mill.principle. ball mill works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell. construction. ball mill consists of a hollow cylindrical shell rotating about its axis. the axis of the shell may be either horizontal or at a small angle to the horizontal.send message
Praha is a leader in the mining industry, mainly with sand and gravel equipment, milling equipment, mineral processing equipment, building materials equipment, etc..