The last video about building this CNC machine.
Milling head mount was fully re-built. New mount uses two carriages, what improves rigidity. I installed 30lbs gas lift spring to unload the vertical ballscrew.
In this video I cut aluminum with 6mm and 8mm end mills. In both cases N = 3000 rpm, feed F = 400mm/min. Depth of cut was 1mm without a problem. The milling head needs the be adjusted to a vertical position, and there are some other adjustments needed. But overall, the machine is built.
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