My cnc router , finished about 3 months ago .
Components :
80_80 aluminum extrusions ,THK SHS25R rails on all axes , ISEL 2505
ballscrews , 1" MIC-6 aluminum plates , 2.2Kw Protec motor ( max 24000rpm
ER20 nose ) plus Delta VFD/drive , servo motors ( keling , aprox. 500W ,
with CUI AMT encoders ) .
Rapids at 8m/min , cuts aluminum easy , nice finish ( with some help
from WD-40 ) . Maximum depth of cut using a 12mm carbide endmill : 3mm
at 800mm/min feed , 8-10000rpm ( tested , but I think it can do better ) .
Working anvelope : 950mm x 650mm x 150mm .
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