Quote:
|
Originally Posted by Roscal
EDM capabilities are better than any conventional milling because no constraints on materials but cost is quite prohibitive (or have a good friend to get it for free  ). On the WB below, channels width is ~0.15 mm (fins=0.2mm), took ~40 hours IIRC to mill with EDM process (ultra slow with a 0.1mm wire, very fragile) :
[mod edit: removed pic, since already posted]
You can go down to 0.3mm channels (fins not too tall obviously) using saws on CNC if you are careful with good speed cutting and good tools |
Is this one of the most efficient designs? It seems like water would have a hard time trying to get through such small areas. I could be wrong though.