３磨削机理研究３．１磨削用量及参数磨削运动：外圆磨削（逆磨），砂轮速度Ｖ＝３０×１０３ｍｍ／ｓ，工件速度ｖ＝５×１０２ｍｍ／ｓ，纵向进给速度ｓ＝８ｍｍ／ｓ，加工余量ｔ＝４０×１０－３ｍｍ；工件参数：工件半径ｒ＝５０ｍｍ；砂轮参数：砂轮半径Ｒ＝１５０ｍ... 3 grinding mechanism research 3.1 Grinding amount and parameters Grinding movement: Cylindrical grinding (reverse grinding), grinding wheel speed V = 30 × 103mm / s, the workpiece speed v = 5 × 102mm / s, the longitudinal feed speed s = 8mm / s, machining allowance t = 40 × 10-3mm; Workpiece parameters: workpiece radius r = 50mm; Wheel parameters: Wheel radius R = 150m ...