产品主要技术参数:
| 主要技术参数 | SPECIFICATIONS | Units | C6251 | |
| 床身上回转直径 | Swing over bed | mm | 510(20'') | |
| 横滑板上回转直径 | Swing over cross slide | mm | 305(12'') | |
| 马鞍上回转直径 | Swing over gap | mm | 735(28-7/8'') | |
| 马鞍长度 | Gap length | mm | 170(6-11/16'') | |
| 工件长度 | Distance between centers | mm | 1000(40'') 1500(60'') 2000(80'') | |
| 床身宽度 | Width of bed width | mm | 350(13-13/16") | |
| 主轴端部形式 | Spindle nose type | - | D1-8 | |
| 主轴孔径 | Spindle bore | mm | 80(3-1/8'') | |
| 主轴孔径锥度 | Spindle bore taper | - | MT7 | |
| 主轴转速范围 | Spindle speed range | rpm | 25-2000 | |
| 主轴转速级数 | Spindle speed steps | - | 12 | |
| 小刀架行程 | Top tool post travel | mm | 130(5-1/8") | |
| 中拖板行程 | Cross slide travel | mm | 316(12-7/16") | |
| 刀具尺寸 | Tool size | mm | 25*25(1'' x1'') | |
| 大丝杠螺距 | Lead screw threads | T.P.I. | 6mm or 4TP.I. | |
| 纵向进给 | Longitudinal feeds range | mm/r | 35kinds, 0.059-1.646 (0.0022"-0.0612") | |
| 横向进给 | Cross feeds range | mm/r | 42 kinds, 0.020-0.573(0.00048"-0.01354") | |
| 公制螺纹种数 | Kinds of metric threads | kinds | 47 | |
| 公制螺纹范围 | Range of metric threads | mm | 0.2-14 | |
| 英制螺纹种数 | Kinds of inch threads | kinds | 60 | |
| 英制螺纹范围 | Range of inch threads | T.P.I | 2-112 | |
| 径节螺纹种数 | Kinds of diametral threads | kinds | 50 | |
| 径节螺纹范围 | Range of diametral threads | D.P. | 4-112 | |
| 模数螺纹种数 | Kinds of module threads | kinds | 34 | |
| 模数螺纹范围 | Range of module threads | M.P. | 0.1-7 | |
| 尾座套筒直径 | Tailstock quill diameter | mm | 75(2-15/16'') | |
| 尾座套筒行程 | Tailstock quill travel | mm | 180(7-1/16'') | |
| 尾座套筒锥孔 | Tailstock quill taper | - | MT5 | |
| 主电机功率 | Main motor power | kw | 7.5(10HP) | |
| 冷却电机功率 | Coolant motor power | kw | 0.1(1/8HP) | |
| 机床重量 | Machine weight | Weight for 1000 | kg | 2460 |
| Weight for 1500 | kg | 2550 | ||
| Weight for 2000 | kg | 2840 | ||
| Weight for 3000 | kg | 3270 | ||
| 外形尺寸(长×宽×高) | Overall dimension | Dimension for 1000 | mm | 2450*1190*1740 |
| Dimension for 1500 | mm | 2900*1190*1740 | ||
| Dimension for 2000 | mm | 3400*1190*1740 | ||
| Dimension for 3000 | mm | 4400*1190*1740 | ||