Summary
Small CNC Flat Bed Lathe CK6140x750 is designed for studio and hobby machining applications.
With 750mm center distance, manual tailstock, and 0.005mm radial spindle runout, it executes turning, grooving, threading, boring, reaming, and drilling with Ra1.6μm surface roughness.
Perfect for independent machinists, educational institutions, and small prototype shops needing a compact, easy-to-use precision lathe.
Features
- 750mm center distance and 620mm max turning length ideal for short prototype and hobby workpieces
- Manual tailstock with MT4 taper and 100mm quill travel for secure workpiece support
- Ra1.6μm surface roughness and 0.01mm diameter consistency for high-quality finished parts
- 63mm bar stock passage to handle standard-sized raw materials for small batch production
- 4-station electric tool turret for quick tool changes during multi-operation machining
- Optional oil mist collection and blowling device to maintain clean studio workspaces
Technical Specifications
| Parameter | Specification |
| Max.swing diameter over bed | mm Φ400 |
| Max. swing diameter over the cross slide | mm Φ240 |
| Distance between centers | mm 750 |
| Max.turning diameter for plate | mm 400 |
| Max. turning length | mm 620 |
| X-axis guide rail span | mm 180 |
| Z-axis guide rail span | mm 300 |
| Guide type | Box way |
| Center height From the bed | mm 230 |
| Center height From the ground | mm 1020 |
| Spindle through-hole diameter | mm Φ65 |
| Bar stock passage diameter | mm Φ63 |
| Optional through-hole diameter of hollow chuck drawbar | mm Φ50 |
| Spindle nose type | A2-6 |
| Chuck | mm Φ200 |
| Taper of spindle taper hole | Metric 70 |
| Spindle speed change | Stepless |
| Spindle speed range | rpm 150-2000 |
| Tailstock quill diameter | mm Φ60 |
| Taper of tailstock quill bore | No MT4# |
| Tailstock quill travel | mm 100 |
| Tailstock type | Manual |
| Tool positions of electric tool turret | T 4 |
| Tool shank size | mm 20×20 |
| Rapid traverse speed of X/Z axis | m/min 6 / 8 |
| Torque of X/Z-axis servo motors | N.m 4 / 6 |
| X-axis travel | mm 220 |
| Z-axis travel | mm 550 |
| Min. setting unit | mm 0.001 |
| Main motor power | KW 5.5 |
| Total power supply | KW 8 |
| Periodic axial movement of the spindle | 0.005mm |
| Radial runout of the positioning cone surface of the spindle chuck | 0.005mm |
| Repeatability positioning accuracy | X:±0.005mm；Z:±0.007mm |
| Diameter consistency | 0.01/150mm |
| Flatness | 0.025/φ300mm |
| Cumulative error of thread pitch | 0.025/50mm |
| Surface roughness | Ra1.6μm |
Accessory Configurations
| Accessory | Configuration |
| 1 | 6-station/8-station turret tool |
| 2 | Hydraulic chuck |
| 3 | Automatic door |
| 4 | Safety device for automatic door |
| 5 | Oil-water separator |
| 6 | Oil mist collection |
| 7 | Tool setter |
| 8 | Workpiece measurement |
| 9 | Blowling device (Air gun) |
| 10 | Water Gun |
Logistics & Support
Packing: Sea-worthy plywood case with waterproof lining, reinforced with steel bands for long-distance shipping
Warranty: Full 12 months warranty covering core mechanical systems (spindle, gearbox, bed guideways)
Technical Support: Lifetime free technical support via email, video call, or on-site service (extra charge applies for on-site visits)
Export Coverage: Exported to 30+ countries including Germany, Australia, Brazil, USA, and Southeast Asian markets
Customs Documentation: Complete export documentation provided, including CE certificate, commercial invoice, packing list, and bill of lading
FAQ
Q: Is CK6140x750 suitable for prototype machining?
A: Small CNC Flat Bed Lathe CK6140x750 offers 0.005mm spindle runout and Ra1.6μm surface finish, ideal for precise prototype part production in studios.
Q: What is the max bar stock diameter CK6140x750 can handle?
A: Small CNC Flat Bed Lathe CK6140x750 supports 63mm bar stock passage, accommodating most standard prototype and small batch workpieces.
Q: Does CK6140x750 come with optional automatic features?
A: Small CNC Flat Bed Lathe CK6140x750 offers optional hydraulic chuck, automatic door, and tool setter to boost efficiency for studio users.
