Applying the method of ELID-grinding, with electrolyte and liquid of grinding, the grinding wheel based on cast iron is electrolyzed and cooled during the whole grind process.

• 应用ELID磨削法，在电解液和磨削液的共同配合下，在磨削过程中不断对铸铁基砂轮进行电解，润滑和冷却，使其始终保持最佳磨削状态，从而逐步将Al_2O_3陶瓷材料加工成镜面。