| 項(xiàng)目 | Item | MA1420A | MA1420A/750 |
| 磨削直徑范圍 | Grinding diameters | 8～200 mm | 8～200 mm |
| 磨削孔徑范圍 | Gringing bores | 13～80 mm | 13～80 mm |
| zui大磨削長(zhǎng)度 | Max grinding length | 500 mm | 750 mm |
| zui大磨削深度 | Max grinding depth | 125 mm | 125 mm |
| 工作臺(tái)zui大移動(dòng)量 | Max travel of table | 600 mm | 800 mm |
| 液壓移動(dòng)速度 | Hydraulic traverse speeds | 0.1～4 m/min | 0.1～4 m/min |
| 工作臺(tái)轉(zhuǎn)動(dòng)范圍 | Swivel range of the table | -5°～+9° | -3°～+9° |
| 砂輪zui大線速度 | Max peripheral speed of grinding wheel | 35 m/s | 35 m/s |
| zui大砂輪直徑 | Max grinding wheel diameter | 300 mm | 300 mm |
| 頭架主軸轉(zhuǎn)速 | Speeds of headstock spindle | 60,85,230 rpm | 120,170,460 rpm |
| 電機(jī)總?cè)萘?/span> | Coolant pump drive motor | 4.24 kw | 4.24 kw |
| 機(jī)床外形尺寸（長(zhǎng)X寬X高） | Overall dimensions （LxH） | 2000X1420X1600 mm | 2700X1420X1600 mm |
| 機(jī)床重量 | Weight of machine | 2100 kg | 2600 kg |
工作精度 Working Accuracy
| 項(xiàng)目 | Item | MA1420A | MA1420A/750 |
| 外圓圓度 | Ex Ternal | 0.003 mm | 0.003 mm |
| 內(nèi)孔圓度 | In Ternal | 0.005 mm | 0.005 mm |
| 縱截面直徑 | Cylindricity | 0.005 mm | 0.005 mm |
| 外圓粗糙度 | Ex Surface | Ra≤0.32 mm | Ra≤0.32 mm |
| 內(nèi)孔粗糙度 | In Surface | Ra≤0.63 mm | Ra≤0.63 mm |
Main Accessories主要附件
| 1 | 冷卻液箱 Coolant tank | 1 set |
| 2 | 開(kāi)式中心架 Open center rest | 1 set |
| 3 | 砂輪修整器 Grinding wheel dresser | 1 set |
| 4 | 砂輪夾板 Grinding wheel clamp | 2 sets |
| 5 | 砂輪平衡器 Grinding wheel balancer | 1 pc |
| 6 | 合金* Carbide-tipped center | 2 pcs |
| 7 | 半缺* Half center | 2 pcs |
| 8 | 橋板 Bridge plate | 1 pc |
| 9 | 夾頭 Chuck | 1 set |
| 10 | 雙頭扳手 Double end werch | 6 pcs |
| 11 | 內(nèi)六角扳手 Socket head screw wrench | 5 pcs |
| 12 | 六角套筒扳手 Hexagon socket wrench | 1 pc |
