ʻO ka CNC Machining e pili ana i ka mīkini metala me nā mea hana mīkini CNC, ʻo ka mīkini CNC kahi ala hana metala kahi e hoʻokele ai ke code i hoʻonohonoho ʻia i ka mīkini i ka wā o ke kaʻina hana. Lawe nā lawelawe mīkini TTM CNC i nā ʻano hana hana subtractive, ʻo ia hoʻi ua wehe ʻia nā mea ma ke kaʻina hana hana, ʻo ia ke kū'ē i ka hana hoʻohui (e like me ka paʻi 3D). Hoʻohana nā lawelawe mīkini TTM CNC i ka ʻenehana hana hou loa e hāʻawi i nā hana wili a me ka huli ʻana e hōʻoia i nā hopena maikaʻi no ka mīkini kikoʻī kiʻekiʻe.