Solids | Choose the Right Grinding Mill
WEBSep 13, 2010 · Attrition mills can operate in either batch or continuous mode and suit hardertogrind material such as metal powders, metal carbides and glass frits. Their shaft speed runs from 75–500 rpm and media generally range in size from 5–13 mm. Feed material can be as coarse as 1/2 in., while end product size can be as fine as 2–3 .