Be careful about tearout on the top of your groove with an upcut!
Hey Butch @bkwoood, hey Jace @makerjace, hey all,
an end mill for wood like this one has very steep upcut spiral angle of 15°, which is a compromise between the ability to evacuate chips and trying to minimize tearout at the surface:
Sorotec 2-Flute WOOD
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ok thank you I will check them out
It would take a bit longer, but you could always use an 1/8" upcut as a rough to get it close to the edge and then taking the 1/4" at full depth wouldn’t be a problem. One end mill change in the process, of course.
I had the same thing happen to me, but when I hooked up the vacuum system, then my problem was solved. Hope that helps.