››››› The lathe is equipped with double chucks which can powerful clamp long parts.
››››› The lathe is equipped with rear support which can auxiliary support longer parts.



√ FANUC/SIEMENS/GSK CNC system √ Big bore chuck (Front & Rear)√ Dead centers √ 4-station electric tool-post √ Cooling system √ Work lamp √ Pilot lamp √ Semi-closed guard √ Manual pulse generator (MPG) √ Automatic lubrication system √ Oil gun √ Manual moving tailstock √ Tools & tool-box √ Leveling wedge & bolts √ Operation manual (English) | _ Pneumatic chuck _ Other tool post _ Steady rest _ Follow rest _ Air conditioner _ Chip conveyor _ Rear support for long pipe _ Live centers |

Specification | Unit | QK-280 | QK-330 | QK-390 | QK-440 |
Pipe threading range | mm | 130-270 | 190-320 | 190-380 | 270-430 |
Max. swing over bed | mm | 1000 | 1000 | 1000 | 1000 |
Max. swing over cross slide | mm | 610 | 610 | 610 | 610 |
Max. length of workpiece | mm | 1500/3000 | 1500/3000 | 1500/3000 | 1500/3000 |
Max. turning length | mm | 1250/2750 | 1250/2750 | 1250/2750 | 1250/2750 |
Span of guideway | mm | 755 | 755 | 755 | 755 |
Spindle nose | - | Thread type | Thread-type | Thread-type | Thread-type |
Spindle bore | mm | 280 | 330 | 390 | 440 |
Spindle speed | rpm | 10-320 (manual 4steps) | 10-280 (manual 3steps) | 8-205 (manual 3steps) | 8-205 (manual 3steps) |
Chuck size | mm | 800 (manual) | 780 (electric) | 850 (electric) | 1000 (electric) |
Min. feed increment of X/Z-axis | mm | 0.001/0.001 | 0.001/0.001 | 0.001/0.001 | 0.001/0.001 |
X/Z-axis rapid feed speed | m/min | 4/4 | 4/4 | 4/4 | 4/4 |
X-axis travel | mm | 520 | 520 | 520 | 520 |
Turret type | mm | V4 | V4 | V4 | V4 |
Section of tool shank | mm | 40x40 | 40x40 | 40x40 | 40x40 |
Indexing repeatility | mm | 0.008 | 0.008 | 0.008 | 0.008 |
Max. cutting force | N | 29400 | 29400 | 29400 | 29400 |
Tailstock quill diameter | mm | 160 | 160 | 160 | 160 |
Tailstock quill travel | mm | 300 | 300 | 300 | 300 |
Tailstock quill taper | - | MT6 | MT6 | MT6 | MT6 |
Main motor power | kw | 22 | 22 | 22 | 22 |
Working accuracy | um | IT6-IT7 | IT6-IT7 | IT6-IT7 | IT6-IT7 |
Surface roughness | um | Ra1.6 | Ra1.6 | Ra1.6 | Ra1.6 |
Machine length | mm | 4950/6450 | 5000/6500 | 5000/6500 | 5000/6500 |
Machine width | mm | 2050 | 2080 | 2220 | 2220 |
Machine height | mm | 2050 | 2080 | 2120 | 2120 |
Machine weight | tons | 10.5/12.2 | 11.5/12.5 | 12/13 | 13/14 |
CNC system | - | FANUC/SIEMENS | FANUC/SIEMENS | FANUC/SIEMENS | FANUC/SIEMENS |
































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