Install high rigidity mechanical polishing spindle; Two polishing tools, one large and one small; Grinding the spindle posture can achieve vertical and horizontal posture conversion; Suitable for inner and outer polishing of complex products; Adopting servo motor spindle and diamond grinding wheel to improve efficiency; Suitable for grinding cast iron and steel castings; Easy to operate and create programs; Small installation area; Easy to replace fixtures and reduce installation time; Interactive workbench that can polish different products simultaneously, saving loading and unloading cycles; One worker can operate multiple machines and equipment; Laser detection. Intelligent configuration, laser measurement, error alarm and compensation.