Size Reduction/Comminution | Pharmaceutics | The Pharmapedia
The equipment has two parts one is rotor and another part is the casing. Stationary knives are fitted on the casing and rotating knives are fitted on the rotor. ... Attrition Roller Mill. 5) Ball Mill. Principle: Combined impact and attrition. Ball mill. Construction. The ball mill consists of a hollow cylinder rotated on its horizontal ...