Hi all, I've been cutting aluminum sheet 2.5mm thick on air cooling ok, with the same pump mentioned in Romans posts,so here's my speed / feed that works ok, but very slow indeed . Specs
3mm 2 flute carbide bit.
23000rpm. (very loud)
120mm per min
Air cooling .
This seems too cut ok but like stated it's very slow compared to other cuts I see on air on YouTube etc, could anyone recommend some other numbers I could try,
Thanks all a quicker cut means a happier wife
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On a rigid mill you could go 10 times that. So you've quite a lot of scope to increase.