MM1420A 精密万能外圆磨床规格及主要技术参数项目ItemMM1420A磨削直径范围Grinding diameters8~200 mm磨削孔径范围Gringing bores13～80 mm最大磨削长度Max grinding length500 mm最大磨削深度Max grinding depth125 mm工作台最大移动量Max travel of table600 mm液压移动速度Hydraulic traverse speeds0.1～4 m/min工作台转动范围Swivel range of the table-5 °～+9 °砂轮最大线速度Max peripheral speed of grinding wheel35 m/s最大砂轮直径Max grinding wheel diameter300 mm头架主轴转速Speeds of headstock spindle 60,85,230 rpm电机总容量Coolant pump drive motor4.24 kw机床外形尺寸（长X宽X高）Overall dimensions (LxWxH)2000X1420X1600 mm机床重量Weight of machine2100 kg 工作精度 项目Item 外圆圆度Ex Ternal0.001 mm内孔圆度In Ternal0.002 mm纵截面直径Cylindricity0.005 mm外圆粗糙度Ex SurfaceRa ≤0.04 mm内孔粗糙度In SurfaceRa ≤0.04 mm
