CNC Milling Machine Parts and their Functions - My blogApr 7, 2015 . CNC milling machines come in different sizes and designs but they all have the same parts and components. Here are the parts, together with their functions, of CNC milling machines. Base. The base serves as the foundation of all other parts of the milling machine. It is the platform that sits on the ground to.milling machine partsand its function,The History and Design of Milling Machines - PlethoraAug 8, 2017 . At the most basic level, a milling machine uses rotating cutters to remove material from a solid block by feeding the cutter along a block of material. There are many types of milling machine, but for . Some parts and assemblies, however, are more noteworthy than others. The parts that do the actual cutting,.