1.Double wall structure casting is adopted on Column. And between outside and inside wall have strengthen rib. 2.The well designed structure have good rigidity and keep the machine with high accuracy. Well designed and carefully assembled Hydraulic unit make the table moves smoothly. The oil temperature increase low after long working. 3.The electro system have been designed according to the CE standard All the electro parts adopted world brand or Chinese famous brand, such as the Siemens, schneider, Delixi, Juche, etc. 4.The wheel guard with micro switch, even the door is opened, the spindle would be power off (only for AHD) 5.The high precision spindle unit is well designed and produced High load resistible, mounted in pre-loaded angular deep-groove ball bearing ensures low-vibration operation, high accuracy, increased lifetime, and low maintenance 6.The surface grinding machine with pleasing appearance and well designed structure, the machine is an indeed precision grind equipment for metal working. Also it can be equipped with optional accessories, such as parallel wheel dresser, magnetic separate coolant unit, etc.