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My 3D printed CNC cuts steel!! I made a couple of modifications to my 3D printed CNC and now I have a way more capable machine. The original design can cut wood quite fast and reliably but with aluminium I found its limits so I decided to make it a bit slower but way more capable of cutting metals. I swapped the Nema 17 for ones with a 1:19 planetary gear ratio and swapped the GT2 belts for HTD 5M belts and now it can push the bit agains the material really hard. I tried to cut aluminium at very high speeds with flawless results which gave me the courage to try and cut steel and surprise! It cuts 1.5 mm steel like butter!!
If you want to get the plans to build your own you can find them here:

https://ivanmiranda.com/products/3d-printed-cnc

As always questions and feedback are welcome in the comments, enjoy!!


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