A 5-axis CNC grinding machine for high rigidity and high precision, grinding and re-grinding of large diameter tools, equipped with a grinding wheel exchanger and a wide variety of modeling. Also , it has a robot loader. Also, it is a 5-axis CNC grinding machine best suited for the grinding of small diameter tools and the production of parts subject to rotation, which can meet high quality requirements. 2Excellent productivity with grinding spindle with spindle end.