CNC Economic knee type milling machine, Can be achieved for a variety of a complex parts such as disc, plate, shell,cam, mould once clamping complete drilling, milling, boring, expansion, reaming, tapping and other process, are suitable for many varieties,medium or small batch production, for complex, high precision parts processing can show its superiority. Can be configuration the fourth axis of rotation, in order to meet the processing requirements of special parts.