Starting from the 3D file, the file of the part to be manufactured is processed by a CAM (“computer assisted manufacturing”) software from which toolpaths to be manufactured are determined based on the geometry of the part.
From these virtual toolpaths obtained by the CAM software, a machine code is generated that indicates to the control panel of the machine all the parameters and conditions required to manufacture the part: tool rotation speed, spindle feed speed, depth of each pass, type of tool, etc.
In general, for most parts, the intervention of different tools is required, each with its own particularities, which are used successively in different machining phases until the final geometry is achieved.