Operating Tips:
| Specification | Unit | QK-260A | QK-350A | QK-460A |
| Max. turning diameter over bed | mm | 1000 | 1100 | 1250 |
| Max.turning diameter over carriage | mm | 630 | 730 | 900 |
| Bed width | mm | 755 | 1100 | |
| Distance between two centers | mm | 1500/3000/5000 | 3000/5000 | |
| Max. machining length | mm | 1300/2800/4800 | 2800/4800 | |
| Max. diameter of pipe (manual chuck) | mm | 70-260 | 114-340 | 300-460 |
| Spindle bore | mm | 275 | 355 | 465 |
| Spindle nose | - | A2-15 | A2-28 | |
| Spindle speed (3phase asyn-chronous motor) | - | --- | --- | --- |
| Spindle speed (Variable frequency motor) | - | 6-400 (Stepless) | 5-320 (Stepless) | 5-200 (Stepless) |
| Chuck type (manual chuck) | mm | 4-Jaw φ630 | 4-Jaw φ800 | 4-Jaw φ1000 |
| Min. feed increment of X/Z-axis | mm | 0.001/0.001 | ||
| Rapid speeds of X/Z-axis | mm/min | 3000/6000 | ||
| Max. travel of X-axis | mm | 630 | 800 | |
| Tool-post working positions | - | Vertical 4-position (300 x 300) | ||
| Indexing time | s | 4 | ||
| Indexing repeatility | mm | 0.01 | ||
| Section of tool shank | mm | 40 x 40 | ||
| Diameter of tailstock quill | mm | 160 | ||
| Travel of tailstock quill | mm | 300 | ||
| Taper hole of tailstock quill | - | Morse 6 | ||
| Tailstock type | - | Standard: Electric | ||
| Main motor (3phase asyn-chronous motor) | kw | --- | --- | --- |
| Main motor (Variable frequency motor) | 18.5 | 28/38 | ||
| Workpiece accuracy | - | IT6-IT7 | ||
| Surface roughness | μm | Ra1.6 | ||
CNC Oil Country Lathe (QK-260A, QK-350A, QK-460A)
Features:
1. The series CNC oil country lathe(Pipe thread turning lathe) is developed mainly for the turning of oil-field pipe threads.
2. It is suitable for the turning of various kinds of pipe threads, and is also can be used as universal CNC lathe.
3. The machine is simple CNC lathe which use half closed-loop control system, which belong to popular CNC pipe thread lathe.
4. It can cut many complex parts as shaft, sleeve and dish, internal and external cylindrical surfaces, conical surfaces, hollows, end plane, groove, chamfer, screw thread, and so on.
5. It is suitable for repeated and medium batch manufacturing in chief.
Standard Accessories:
FANUC 0i mate TD controller, FANUC servo feed motor, inverter main motor, 4 jaw big hole chuck (front and rear), 4 station electric tool post, electrical tailstock, auto. lubricating unit, cooling system, lighting unit, general tools, operation manual (English edition)
Optional Accessories:
Other brand CNC controllers, 6 station electric tool post, steady rest, follow rest, out board support
