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| 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 |
| 最大磨削長度 | max grinding length | 500 mm | 750 mm |
| 最大磨削深度 | max grinding depth | 125 mm | 125 mm |
| 工作臺(tái)最大移動(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° |
| 砂輪最大線速度 | max peripheral speed of grinding wheel | 35 m/s | 35 m/s |
| 最大砂輪直徑 | 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?/td> | coolant pump drive motor | 4.24 kw | 4.24 kw |
| 機(jī)床外形尺寸（長x寬x高） | overall dimensions (lxwxh) | 2000x1420x1600 mm | 2700x1420x1600 mm |
| 機(jī)床重量 | weight of machine | 2100 kg | 2600 kg |
| 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 |
| 1 | 冷卻液箱 coolant tank | 1 set |
| 2 | 開式中心架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 | 合金頂尖carbide-tipped center | 2 pcs |
| 7 | 半缺頂尖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 |
| 13 | 三角膠帶 vblet | 2 pcs |
| 14 | 支點(diǎn)底座 support iron | 3 pcs |
| 15 | 松卸螺帽 dismountingnut | 1 pc |
| 16 | 三爪卡盤 three jaw chuck | 1 set |
| 17 | 閉式中心架 closed center rest | 1 set |
| 18 | 內(nèi)磨接長軸 grinding wheel arbors for internal grinding | 4 sets |
| 19 | 多楔帶 v-ribbed belt | 2 pcs |
| 20 | 平皮帶 flat belts | 2 pcs |
| 21 | 內(nèi)磨遮板 splash guard for internal grinding | 1 set |
| 22 | 其他附件 other accessories |
