I bought my first CNC machine, which stands for Computer Numeric Control, for those who only know about software.  I purchased a table-top version called the CNC Shark Pro from Rockler.  It has a USB interface to my computer where I can send G-code to it for milling and drilling.

G-code is a language used to position the tool and do the work of milling and drilling the material.  This particular CNC machine has a Bosch Colt VS Palm Router mouted on it which is used as the cutting tool.  The X and Y axis motors position the tool over the material and the Z axis motor moves the tool up and down into the material.

I will be using this CNC machine for cutting and drilling my robotic projects.