
Specification | Unit | Q-390 | Q-440 | Q-520 |
Max. swing over bed | mm | 1000 | 1000 | 1200 |
Max. swing over cross slide | mm | 610 | 610 | 710 |
Distance between centers | mm | 1500/3000 | 1500/3000 | 1500/3000 |
Pipe threading range | mm | 190-380 | 270-430 | 330-510 |
Bed width | mm | 755 | 755 | 755 |
X-axis travel | mm | 520 | 520 | 520 |
Z-axis travel | mm | 1350/2850 | 1350/2850 | 1350/2850 |
Max. load capacity | kg | 6000 | 6000 | 6000 |
Spindle bore | mm | 390 | 440 | 520 |
Spindle speed steps | steps | 9 | 9 | 9 |
Spindle speed | rpm | 6-205 | 4.9-180 | 4.9-180 |
Chuck size | mm | 850 | 1000 | 1000 |
Chuck type | - | 4-jaw electric | 4-jaw electric | 4-jaw electric |
Turret type (manual) | - | V4 | V4 | V4 |
Tool shank size | mm | 45x45 | 45x45 | 45x45 |
X-axis feed range (steps) | mm/r | 0.05-0.75(32) | 0.05-0.75 (32) | 0.05-0.75 (32) |
X-axis rapid feed speed | mm/min | 1870 | 1870 | 1870 |
Z-axis feed range (steps) | mm/r | 0.1-1.5(32) | 0.1-1.5 (32) | 0.1-1.5 (32) |
Z-axis rapid feed speed | mm/min | 3740 | 3740 | 3740 |
No. of Metric thread and range | mm | 1-15(23) | 1-15 (23) | 1-15 (23) |
No. of Inch thread and range | TPI | 2-28(22) | 2-28 (22) | 2-28 (22) |
Tailstock quill diameter | mm | 140 | 160 | 160 |
Tailstock quill taper | - | MT6 | MT6 | MT6 |
Tailstock quill travel | mm | 300 | 300 | 300 |
Main motor power | kw | 22 | 22 | 22 |
Rapid motor power | kw | 1.5 | 1.5 | 1.5 |
Coolant motor power | kw | 0.125 | 0.125 | 0.125 |
Machine dimensions (LxWxH) | mm | 4900/6400x2100x1700 | 5000/6500x2100x1700 | 5000/6500x2100x1800 |
Machine weight | kg | 12800/14300 | 13000/14500 | 15000/16500 |

· Electric chuck · Follow rest · Dead center · 4-station tool post · Taper turning attachment · Cooling system · Work lamp · General tools · Leveling wedge and bolts· Operation manual (English). | · 2 or 3-axis digital indicator · Chuck guard · Tool-post guard · Rear support for long pipe |


