Make a Ball Mill in 5 Minutes : 4 Steps - .
Wiki says "A ball mill is a type of grinder used to grind materials into extremely fine powder for use in paints, pyrotechnics, and ceramics." Many instructables refer to United Nuclear Ball Mills. Their small ball mill cost between $70 and $80 dollars. For no more than $30 and in 5 minute you can build a ball mill of appreciable performance.
1. You need 1. A rugged container (You can use PVC pipes or big plastic bottles) 2. An electric screwdriver (these are fairly cheap, I got mine for...2. Drill a hole dead center of the container's bottom. Put the bolt through the hole. Thread the nut tight.3. This is the most important step. The joint holding the the container and electric screwdriver should be strong and able to hold the weight of th...4. Fill the container with the screwdriver bits or with steel balls or lead balls. Add the chemical you need to grind. Close the container and clam...
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