grinding mill and crusher pdf

Grinding is a random process and is subjected to the laws of probability. Grinding steps i. Primary (Coarse) grinding (generally a rod mill is used)(Feed size as large as 50 mm, product size as fine as 300 microns)(1000 microns 1 mm) ii. Secondary (Fine) grinding (generally a ball mill is used)(Feed size as large as 0.5 mm,

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