Hi guys, so after getting up and running I have got some cheap 2 flute carbide ball nose end mills (6mm roughing & 2mm finishing) for some 3D work. I am trying to figure out what to run them at, so turned to HSMAdvisor which outputted ~10k mm/min at 24k rpm in MDF!! (bit too scary for me )

- So firstly, am I right in thinking that HSM outputs the extreme limits and as long as I adjust spindle speed and feed rate proportionally I will be OK no matter how high or low (as long as within machines limits)?

- If so, then do the following feeds/speeds look OK for doing some 3D work?
MDF:
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Aluminium:
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The feed seemed a little high on the 2mm in MDF but as spindle RPM was limited by machine, I wasnt too sure if I could reduce this? Also, should the plunge rate be lower for 3D relief work?

- Other than adjusting step-over to be much finer, is there any need to change other parameters (feeds/speeds) when doing detailed 3D work vs ordinary machining?
Thanks.