Lazybone
Plastic
- Joined
- Oct 5, 2003
- Location
- Goodyear,Arizona USA
What speed would work best when drill a 7/16 hole 4.0 deep hole in copper material always have drill breaking problem. I am currently using a pecking cycle going 1000rpm , .075 per peck,.100retract , feedrate of 4. using a Fadal mill. Any suggestions for better results ?
Thanks
Thanks