CNC DISK-TYPE MACHINING PROCESS Our four-axis CNC milling machine integrated with DD mechanism (Direct driving) may perform turning operation, this is specialized in machining disk-type components, efficiently handling both large and small diameter parts. Home » Precision Machining » CNC DISK-TYPE MACHINING PROCESS Max. capability size: Ø 550mm, Z-axis 600mm Material: Aluminum: AL2024, AL5052. AL6061, AL6082, AL7075 Carbon steel S45C For material not listed above, please consult with us.