I'd cut a slot with a straight bit first for clearance, then try about 100ipm and 12-14000 rpm. There's a good chance that the chips are going to get jammed in there and burning will be an issue.
I'd cut a slot with a straight bit first for clearance, then try about 100ipm and 12-14000 rpm. There's a good chance that the chips are going to get jammed in there and burning will be an issue.
Gerry
UCCNC 2017 Screenset
http://www.thecncwoodworker.com/2017.html
Mach3 2010 Screenset
http://www.thecncwoodworker.com/2010.html
JointCAM - CNC Dovetails & Box Joints
http://www.g-forcecnc.com/jointcam.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)