da physicist Posted September 16, 2012 Share Posted September 16, 2012 how do i make a ball mill the cheapest and most inexpensive way? Link to comment Share on other sites More sharing options...
insane_alien Posted September 16, 2012 Share Posted September 16, 2012 find an empty can, put some grinding media in it an rotate by hand would be the cheapest way. 1 Link to comment Share on other sites More sharing options...
Phi for All Posted September 16, 2012 Share Posted September 16, 2012 If you can borrow a variable speed hand drill from a gullible relative, I'd drill a hole in that empty can, run a machine bolt through the hole using rubber washers and a matching nut on the bottom of the can. Put the end of the bolt into the drill's chuck, tighten and now you don't have to stand there rotating it by hand. Link to comment Share on other sites More sharing options...
InigoMontoya Posted September 16, 2012 Share Posted September 16, 2012 Rock tumblers are pretty cheap. Buy one on ebay or craigslist or similar. Done. Link to comment Share on other sites More sharing options...
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