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Published on Feb 13, 2013
This is a short video of the QU-BD RPM (Rapid Prototyping Mill). The RPM uses 5/8" ball screws for movement. The 22kg*cm NEMA 23 motors allow it to move quickly with the screws with a huge amount of positional accuracy.
***Please note that the wiring will be much 'cleaner' in the final production version***