Computer Numerical Control (CNC) Milling is the most common form of CNC. CNC Mills are classified according to the number of axes that they possess. Axes are labeled as x and y for horizontal movement, and z for vertical movement, as shown in this view of a manual mill table.
Normal 4 axes
Milling Head z.
A five-axis CNC milling machine has an extra axis in the form of a horizontal pivot for the milling head. his allows extra flexibility for machining with the end mill at an angle with respect to the table. A six-axis CNC milling machine would have another horizontal pivot for the milling head, this time perpendicular to the fifth axis.
CNC Milling Machine Sketch
CNC Milling Machine
CNC Milling Machines available with Ford Aerospace - August 2011
Bridgeport XR 5 axis machine - brochure
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