ball mill working principle | Henan Deya Machinery Co., Ltd
May 18, 2012 May 18, 2012 Ball Mill Working Principle. Grinding is usually performed wet, although in certain applications dry grinding is used. When the mill is rotated, the mixture of medium, ore, and water, known as the mill charge, is intimately mixed; the medium comminuting the particles depends on the speed of rotation of the mill and the shell liner structure. Generally, grinding in mineral processing is a continuous process, material being fed at a controlled rate from storage bins into one end of the mill