November 4, 2016
When we machine metal of any kind, the chips – or swarf – give us clues about the efficiency of our cutting process. For example, early machinists noted that blue chips indicate heat is being properly dissipated, so the cut was going well. Blue swarf, therefore, were considered “perfect” chips.
August 1, 2014
Chatter, the vibration created when CNC machine tooling engages a work piece, affects turning, milling, and drilling operations, but is especially troublesome for milling. Even minimal chatter can shorten tool life and impact part quality. Too much chatter can even damage machine tools.