A CNC machining center is an advanced CNC machine tool mainly used for precision machining of workpieces. It can control the movement of tools in multiple directions through computer programs to achieve various machining operations. The following are the main uses of CNC machining centers:

1. Milling: One of the main functions of a CNC machining center is milling. By controlling the relative motion of the tool on the workpiece, the cutting, flattening and shaping of the workpiece surface can be achieved, creating various geometric shapes.
2. Drilling: CNC machining centers can perform precise drilling operations by controlling the positioning of tools on the workpiece. This is important when making holes in the part.
3. Boring: Boring is an operation in which a tool is rotated and moved over a workpiece to enlarge or precisely machine a hole. CNC machining centers can perform precision boring operations and are suitable for situations where high-precision holes are required.
4. Cutting: CNC machining centers can also be used to cut workpieces, especially plates and metal materials. This includes flat cutting, contour cutting, etc.
5. Engraving and three-dimensional processing: CNC machining centers can be used for engraving and three-dimensional processing to create parts with complex surface geometries, which are suitable for art, model making and other fields.
6. Thread processing: CNC machining center can perform thread processing, including the processing of internal threads and external threads.
7. Surface grinding: In some advanced CNC machining centers, surface grinding operations can also be implemented to improve the surface accuracy of the workpiece.
8. Compound processing: CNC machining centers can perform multiple processing operations at the same time, such as milling, drilling, cutting, etc., to complete one-time processing of complex parts.

CNC machining centers are widely used in the manufacturing industry and are especially suitable for mass production, high-precision and complex geometric shape parts manufacturing. Its high degree of automation and good processing accuracy make it an indispensable key equipment in modern manufacturing.