Opinions sought on cheap desktop PCB milling machine

[ksangeelee]

Hi Mike,

I came across spade mills on CNCZONE a couple of years ago and have not used anything else since - there is little burring at 20,000RPM and the life is about twice the standard type. I can easily get 0.25/0.25mm and have got 0.17mm track and 0.13mm isolation in trials - but not used on working PCB.

Thanks for the info, that looks like what I need - the milled boards shown are quite impressive. Can I ask why (in your previous post) you're reticent to advocate milling boards for prototypes, given that you can get 0.25mm tracks and better?

Kevin