Re: 20 Degree 0.1mm Carbide Engraving Bits
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First of all buy 0,1mm 60 deg bits they dont break as fast as the 20 deg. ( more flesh in a 60 deg angle) and you loose next to nothing of your trace.
Second more rpm. I use 20k rpm and making nice straight lines.
Go for NO runout on your spindle ( imagine that the bit is not cutting when it is at max amplitude of runout. And max amplitude runout is not in the direction in wich you are cutting.
Then you are pushing copper in stead of cutting which makes for a ugly burr)
Lastly use scotchbright to clean up all the burrs, look at your work and smile. Because it looks much better :-)
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