Hi there Hello everyone. I run into a serious problem when I try to drill small diameter deep holes in polycarbonate. Drills with a diameter of 1-2 mm at depths of 40-60 mm. The diameter of the hole is not uniform, and the surface finishe quality is not satisfactory. what can be done? I would appreciate advice from the experts. what extra lengh drills are reccomended? feeds and speeds? pecking?? thanks!! post Scriptum. It is about both CNC milling and CNC turning

Hi everybody. Just got my new DT-1 Haas. How can i set G187- pP3 E0.015 mm as default tolerance for all surface finish operations? For now i m changing tolerance individually for every operation. What should i change on machine/control definition? Thanks in advance Tamir