CNC Machined Workpiece Turning On A Flat-bed Lathe
The CK6140 is a heavy‑rigidity horizontal CNC lathe featuring hardened box guideways. It offers a 400mm swing over bed and 750mm maximum workpiece length. Designed for precision metal turning, it is widely used in machinery manufacturing, automotive components, and mold production.
Built with a rigid guideway frame, the CK6140 delivers high stability and damping for long‑run continuous machining. It comes standard with a professional CNC system for fully automated turning, drilling, and boring of complex parts.
CK6140 Main Technical Parameters
| Main parameters | unit | CK6140 |
| Maximum rotation diameter of the bed | mm | 400 |
| Maximum workpiece length between the two centers. | mm | 750 |
| Spindle through-hole diameter | mm | 65 |
| Spindle speed range | r/min | 100-2000 |
| Spindle motor power | KW | 5.5 variable frequency |
| CNC tool holder | Vertical four-position tool holder | |
| X/Z axis travel | mm | 220/650 |
| X/Z rapid traverse speed | mm/min | 6000/8000 |
| X/Z axis feed rate range | mm/min | 1-2000 |
| Tailstock sleeve diameter | mm | 60 |
| Tailstock sleeve travel | mm | 120 |
| Tailstock sleeve taper bore taper | mm | No. 4 |
| Machine tool dimensions (length * width * height) | mm | 2400*1500*1750 |
| Machine tool net weight | kg | 2300 |
| CNC system | Optional systems include Siemens, Fanuc, GSK, and HNC. | |
Optional features available
◆Chuck
Standard configuration includes a three-jaw chuck, offering high reliability and adaptability, self-centering clamping, high efficiency, stable clamping, and simple maintenance.
Optional: Four-jaw chuck, hydraulic chuck, pneumatic chuck, and electric chuck are available to meet various processing needs.
◆Tailstock
Standard configuration: Hydraulic tailstock for stability and ease of operation
Optional: Manual tailstock
◆ Tool Turret
Standard configuration: Four-position electric tool turret with high positioning accuracy.
Optional: Six-position/eight-position electric tool turret, 12-position hydraulic tool turret
The uses of flat-bed CNC lathes
1) Capable of machining shafts and tubular parts; maximum swing diameter over the bed is Φ400mm.
2) Suitable for machining shafts (or disc-shaped) parts with complex geometries, various dimensions, and high precision requirements.
3) Capable of machining cylindrical surfaces, conical surfaces, stepped surfaces, spherical surfaces, and other various surfaces of revolution.
4) In addition to turning, it can also perform drilling, reaming, tapping, and boring operations.
Application Scenarios
The CK6140 CNC machined workpiece turning on a flat-bed lathe is commonly used for batch production or high-precision parts machining, such as the outer diameter, end face, and thread machining of shafts, discs, and sleeves. It is commonly found in machine tool factories, automotive parts factories, and construction machinery companies.
Shandong Sunshine Machinery Co., Ltd. is an export-oriented enterprise with import and export rights, specializing in the development, design, manufacturing, and sales of metal cutting machine tools, including CNC slant lathes, vertical machining centers, horizontal machining centers, and CNC vertical lathes. We provide scientific and reasonable supply solutions to make machine tool selection simpler and more suitable for our customers; we offer comprehensive and meticulous consultation and training to help users operate our machine tools more correctly and efficiently.
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