Cheap and Simple Ball Mill : 10 Steps - Instructables
Cheap and Simple Ball Mill: Last year for the Fourth of July, I wanted to make some black powder to celebrate American freedom with a bang. However, one step in the manufacture of black powder is running it in a ball mill to grind it into a fine powder. I was not in possessi...
1. Below are the parts and tools that I used to make this ball mill. However, keep in mind that these are more guidelines than anything, and I enco...2. First, cut your PVC pipe to your desired length with the hacksaw. I cut mine to 6 inches. Then cut the threaded rod with the hacksaw based on th...3. Using a drill and drill bit the same diameter of the threaded rod, drill holes through the centers of the PVC caps.4. Wrap the small rag around the threaded rod, and clamp the locking pliers around it. This serves to hold the rod still while you work the locking...5. The shank end of the mill will have the shank used to rotate the mill. Note: I changed my design after the initial build and I neglected to reta...6. Now you'll need to make the shank that allows a drill or something with a chuck to hold the mill and rotate it. First, install the hex bolt into...7. Note: If you decide to use PVC cement, now is the time to get that out. Slide your PVC pipe into the cap on the shank end. If you choose to use...8. For lack of a better term, I'm calling this end the mouth. It's the end you open to put in and empty out your powder (or whatever you choose to...9. Now you get to put your new ball mill to use. Try to find some lead balls, since they are heavy and won't spark. I was unable to get lead balls...10. Going forward, I would make a few improvements to my design to make it easier to use and more practical. Use a wider and shorter pipe. Use PVC...
GET PRICE >>