#### Volume 2, Issue 11, May 2013 Studies on Batch Grinding of ...

Volume 2, Issue 11, May 2013 141 cross section of 0.5'' × 0.5'' size, along the length of the mill fixed firmly and evenly around the periphery. The thickness of the mill wall is 0.38'' and the theoretical critical speed of the mill is 100 rpm. A stepped pulley framework is connected at one end of the mill by means of the shafts through toothed