| 项目 | Item | MA1420A | MA1420A/750 |
| 磨削直径范围 | Grinding diameters | 8～200 mm | 8～200 mm |
| 磨削孔径范围 | Gringing bores | 13～80 mm | 13～80 mm |
| zui大磨削长度 | Max grinding length | 500 mm | 750 mm |
| zui大磨削深度 | Max grinding depth | 125 mm | 125 mm |
| 工作台zui大移动量 | Max travel of table | 600 mm | 800 mm |
| 液压移动速度 | Hydraulic traverse speeds | 0.1～4 m/min | 0.1～4 m/min |
| 工作台转动范围 | Swivel range of the table | -5°～+9° | -3°～+9° |
| 砂轮zui大线速度 | Max peripheral speed of grinding wheel | 35 m/s | 35 m/s |
| zui大砂轮直径 | Max grinding wheel diameter | 300 mm | 300 mm |
| 头架主轴转速 | Speeds of headstock spindle | 60,85,230 rpm | 120,170,460 rpm |
| 电机总容量 | Coolant pump drive motor | 4.24 kw | 4.24 kw |
| 机床外形尺寸（长X宽X高） | Overall dimensions （LxH） | 2000X1420X1600 mm | 2700X1420X1600 mm |
| 机床重量 | Weight of machine | 2100 kg | 2600 kg |
工作精度 Working Accuracy
| 项目 | Item | MA1420A | MA1420A/750 |
| 外圆圆度 | Ex Ternal | 0.003 mm | 0.003 mm |
| 内孔圆度 | In Ternal | 0.005 mm | 0.005 mm |
| 纵截面直径 | Cylindricity | 0.005 mm | 0.005 mm |
| 外圆粗糙度 | Ex Surface | Ra≤0.32 mm | Ra≤0.32 mm |
| 内孔粗糙度 | In Surface | Ra≤0.63 mm | Ra≤0.63 mm |
Main Accessories主要附件
| 1 | 冷却液箱 Coolant tank | 1 set |
| 2 | 开式中心架 Open center rest | 1 set |
| 3 | 砂轮修整器 Grinding wheel dresser | 1 set |
| 4 | 砂轮夹板 Grinding wheel clamp | 2 sets |
| 5 | 砂轮平衡器 Grinding wheel balancer | 1 pc |
| 6 | 合金* Carbide-tipped center | 2 pcs |
| 7 | 半缺* Half center | 2 pcs |
| 8 | 桥板 Bridge plate | 1 pc |
| 9 | 夹头 Chuck | 1 set |
| 10 | 双头扳手 Double end werch | 6 pcs |
| 11 | 内六角扳手 Socket head screw wrench | 5 pcs |
| 12 | 六角套筒扳手 Hexagon socket wrench | 1 pc |
