Chatter, the vibration created when CNC machine tooling engages a work piece, is especially troublesome for milling operations. Even minimal chatter can shorten tool life and impact part quality. Too much chatter can even damage machine tools.
Effectively dealing with chatter not only involves the cutting tool, itself, but also the tool holder and CNC machine, as they all contribute to creating unique vibrations that develop during machining. Carefully thought-out part programming can help eliminate many chatter problems, however this can be a time-consuming exercise in trial and error.
A great deal of research has been done in the field of machining dynamics that focuses on tool point or cutting tool behavior during the machining process. These studies are the basis for an Internet-based system described as a “stability improvement technology” that uses a special hammer equipped with a transducer to tap the tool and holder assembly mounted in the machine tool.
The hammer device records the frequency response for the unique tool, holder, spindle and machine combination. This data is encrypted and sent through the Internet for analysis. The result is posted to a dashboard a machine operator can view on a computer screen, that graphically presents the precise stable speeds, feed rates, width and depth of cut recommended for the operation.
You can view a brief video explanation of the process at http://vimeo.com/58921280 or watch it below.
For more ways to improve your machining processes, including the latest CNC machining technology contact your Torrance Haas Factory Outlet. Call: (310) 381-0750, email: jphillips@haasfactoryoutlet.com, or visit www.haasfactoryoutlet.com.