I have been working on a way to mill PCB with Sherline CNC. Got to the point where i am semi-successful.
I am documenting my explorations here. Will eventually make a Wiki page when i figure everything out.
I have purchased a set of PCB milling bits.
In order to not murder myself and other members of the space, only FR-1 PCB blanks will be used.
PCB2GCODE has GUI for windows and linux.
does a pretty good job of generating Gcode. Tested with gerber files generated with eagle and altium. gerber file must be RS-247x, and drill file must be excellon format.
Had the most success with Altium. but polygons from altium gerbers are not read correctly
I don’t know how to generate board shape file in Eagle
Things I need to figure out
acurately zeroing the z-axis look into this
keeping the PCB blank flat AND level
build PCB2GCODE GUI on the CNC machine
the z-axis is losing steps
realistically achievable resolution
standardize cnc tool table
try out UV cured solder resist paste