Precision Center Punching Using Computer Numerical Control Machine
Original Publication Date: 1989-Jul-01
Included in the Prior Art Database: 2005-Jan-28
When drilling small holes (0.5 mm diameter or smaller) in stainless steel on Computer Numerical Control (CNC) machines, 'work hardening' of the material occurs when using conventional 'hole spotting' methods. This process/tool minimizes the 'work hardening'.