Product description：
1.Spindle adopts high precision rolling bearings, high precision rotary plate aspect to adopt high precision ball screw transmission, good dynamic performance, precision positioning.
2.The machine tool guide with wear-resistant cast iron and after the audio quenching, the hardness of the HRC45 above, can ensure the long-term stability of processing accuracy.
Product main technical Specifications:
| ITEM | Specifications | UNITS | CQK6140 |
| Capacity | Max.Swing over bed | mm | Φ400 |
| Max.swing over cross slide | mm | Φ220 | |
| Maximum length of workpiece | mm | 750/1000/1500/2000 | |
| Spindle | Spindle hole | mm | 52mm(82mm) |
| Spindle nose | ISO-C6(C8) | ||
| Spindle tap | MT6 | ||
| Spindle speeds(Number) | rpm | Low：100-500High:500-180Optional:90-1800 | |
| Feed | Z-axis stroke | mm | 750/1000/1500/2000 |
| X-axis stroke | mm | 330 | |
| rapid moving speed（m/min） | m/min | 3/6 | |
| X/Z min input（mm） | mm | 0.001 | |
| Tailstock | Dia. Of tailstock sleeve | mm | 75 |
| Taper of tailstock sleeve | MT5 | ||
| Travel of tailstock sleeve | Mm | 140 | |
| Carriage | Tool number | 4(6) | |
| Tool body size | mm | 20*20 | |
| Knife tool change time | s | 2 | |
| Position accuracy | Repeat positioning accuracy | mm | 0.01 |
| Power | Main motor power | K.W | 5.5/7.5 |
| Machine size(L*W*H) | Overall dismensions for 750mm | Mm | 2200*1500*1600 |
| Overall dismensions for 1000mm | Mm | 2450*1500*1600 | |
| Overall dismensions for 1500mm | Mm | 2950*1500*1600 | |
| Overall dismensions for 2000mm | Mm | 3450*1500*1600 | |
| Weight | Weight for 750mm | kg | 1800 |
| Weight for 1000mm | Kg | 1900 | |
| Weight for 1500mm | Kg | 2100 | |
| Weight for 2000mm | kg | 2300 |
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