Size Reduction Mechanical Operations | Mill (Grinding ...
SizeReduction Equipment The principal types of sizereduction machines are as follows: A. Crushers (coarse and fine) 1. 2. 3. Jaw crushers Gyratory crushers Crushing rolls Coarse mine material into lumps of 250 to 150 mm. Again these lumps are broken into particlse of 6 mm in size.