When I was researching how to finish the LoopAliens, I decided to build a tumbler. It turned out well after I converted it to a larger, more capable motor. It’s ended up being more of a ball mill than a tumbler, but it did work. Creating it gave me a good excuse to turn out some really nice parts on the larger CNC machine I built some years ago. Click HERE to see the CNC machine I used.
After the proof of concept, I ended up buying a very large vibratory tumbler to run production parts with. It allowed me to finish hundreds of parts at a time rather than 50. Creating the “ball mill” was a good educational experience.
Here are some decent pictures from the DIY parts tumbler build I did some time ago
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