Peck Drilling vs Continuous Feed for Deep Holes: When to Interrupt the Cut
I spent the first several years of my career running continuous feed on every deep hole job that came across my machines. It felt efficient — keep the tool moving, keep the chips flowing, keep the cycle time low. I never questioned it until a nasty string of drill breakages on a 316 stainless job forced me to dig into what was really happening at the bottom of the hole. What I found changed how I think about peck drilling entirely. ...