Needing a better way to polish steel, I picked up this 2×36 belt grinder attachment for a bench grinder! It’s a great value at $200 and I’ve been very pleased with the results.
Attachment: http://amzn.to/1q0rWhX !
This video is a quick demo of using a 100 grit belt to rough the part then finishing with either a scotch-brite belt for a brushed metal look or using progressive finishes for a mirror-like finished. The mirror finish is far from perfect – due in part to a mediocre operator and a mediocre platen but it should offer a good idea of what this machine is capable of!
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How I Quote CNC Machine Work: https://www.youtube.com/watch?v=AtFi9OQrBjk
Control Large DC Motors with Arduino: https://www.youtube.com/watch?v=OW-Bf3yjUyE
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