Sponsored Video: Helically Interpolating a Hole at 225 IPM Through a Milled Slot
This video demonstrates Dapra's 1" Toroid End Mill executing the helical interpolation of a 1.75" diameter hole to a depth of 1.25". The material is H13, and the machine tool used is a Fadal 4020 with a 40-taper spindle.
Running rotary milling cutters at the proper speeds and feeds is critical to obtaining long tool life and superior results, and a good place to start is with the manufacturer's recommendations. These formulas and tips provide useful guidelines.
Consider these alternatives when conventional drilling can't do the job.
Applying ceramic inserts is not a simple substitution of one cutting tool material for another. There are significant process considerations that shops should examine carefully in order to realize performance and tool life expectations from ceramic inserts. Here's a look at some of the ways they are used.