With a machining center, the diameter of the hole is 28, and the cutting amount of the reamer when reaming
According to what you said, what you said was boring. How did you say it was twisted?I said one of my experiences: if boring, the speed is about 500. Feed 70.If the speed is 60, when feeding 40, if you want the correct tolerance, add lubricating oil. Minus tolerance plus cutting fluid, with kerosene, too.
Such a big hole, why not boring.
The speed is between 380 and 500.. Feed the F150. spindle at each point. Stop the back tool. The screwed hole is free of thread. Try it.
