I’m cutting polycarbonate but I guess this question relates to other materials, as well.
The recommendations for a 1/4" straight bit are .08" DOC, 18K-RPM, 55 feed and 25 plunge.
Now say I want to use a 1/8" bit instead, where should I start w/ adjustments? Should I increase RPM and keep everything else as-is? And where would you go w/ RPM?
Funny I did this the other day and had no problem cutting (w/ 1/8" bit), but I can’t remember what speed I had the router set to. This evening, I tried the same thing and lost Z steps somewhere and didn’t get all the way through the material after the third profile. Both times I was using a DOC of .125", and feed of 50 and plunge of 15. This evening I also hit the unit with my hand while it was cutting (LOL, don’t ask).