Milling Milling refers to the use of a rotating multi-blade tool to cut a workpiece, which is a highly efficient machining method. When the tool rotates (as the main motion) and the workpiece moves (for the feed motion), the workpiece can also be fixed, but the rotating tool must also move (simultaneously complete the main motion and the feed motion). Milling machines include horizontal milling machines or vertical milling machines, as well as large portal milling machines. These machines can be either ordinary machines or CNC machines.
Main processing objects (1) Planar parts
The characteristics of plane parts are characterized in that the machined surface can be parallel to the horizontal plane, perpendicular to the horizontal plane, or at an angle with the horizontal plane; most of the parts currently processed on CNC milling machines belong to plane parts, plane parts. It is the simplest type of part in CNC milling. Generally, it only needs to be processed by two-axis linkage or three-axis linkage of three-axis CNC milling machine. During the machining process, the machined surface is in surface contact with the tool, and the end mill or the bull nose knife can be used for roughing and finishing.
(2) Surface parts
The surface part is characterized in that the machined surface is a space surface. During the machining process, the machined surface and the milling cutter are always in point contact. Surface finishing is often carried out using a ball end mill.
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