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Technical Characteristics: It can cut all kinds of turning surfaces by bicycle, such as conical surf...
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The CK6140-750 is suitable for machining shafts, sleeves, bushings, hubs, threaded parts, and other round components. It can perform turning, taper turning, grooving, boring, reaming, and threading in a wide range of everyday machining tasks.
The machine is commonly used in general machinery manufacturing, automotive parts production, agricultural equipment, hardware processing, pump and valve components, maintenance workshops, and training facilities. It is well suited to small and medium batch production as well as general-purpose repair work.
The CK6140-750 is a cost-effective hard rail CNC lathe built for daily turning work in the workshop. Its solid hard rail bed gives the machine a firm cutting base, and the hardened, precision-ground guideways help maintain accuracy while standing up better to long-term use.
Extra reinforcement in the bed, headstock, and carriage improves overall stiffness and helps the machine stay more stable under load. Combined with a 3-step spindle arrangement, variable speed control, and a 60 mm spindle bore, it is suited to a wide range of standard turning tasks across general machining applications.
A 4-station electric turret, enclosed cutting zone, and reliable coolant setup make the machine a practical fit for routine shop production. For buyers in need of an economical hard rail CNC lathe that offers solid construction, simple operation, and dependable performance, the CK6140-750 is a strong option.
| Projects | unit | CK6140-750 | |
| PROCESSING CAPACITY | Maximum turning diameter of bed | mm | 420 |
| Maximum rotary diameter of support plate | mm | 210 | |
| Maximum machining length | mm | 750 | |
| MAIN SHAFT | Spindle end form | \ | A2-6 |
| Diameter of main shaft through hole | mm | 60 | |
| Maximum rod passing diameter | mm | 58 | |
| Maximum spindle speed | r/min | 3-speed 1600/infinite 2500 | |
| Spindle shift mode | \ | 3-speed gear shift/frequency conversion | |
| Main motor power | kw | 7.5 | |
| Chuck type | \ | Manual (standard) / hydraulic chuck (optional) | |
| Chuck size | inch/mm | 8 | |
| FEED | X-axis stroke | mm | 420 |
| Z-axis stroke | mm | 750 | |
| X-axis fast-moving velocity | m/min | 8 | |
| Z-axis fast-moving velocity | m/min | 10 | |
| X-axis motor torque | N·m | 5.5 | |
| Z-axis motor torque | N·m | 7.7 | |
| Type of rail | \ | Hard rails | |
| X-axis guide rail specifications | mm | \ | |
| Z-axis guide rail specifications | mm | \ | |
| X-axis made screw specification | mm | 2504 | |
| Z-axis made screw specification | mm | 4010 | |
| TOOL REST | Tool rest type | \ | 4-station electric turret |
| Square tool/Boring tool size | mm | 25*25/φ32 | |
| TAIL SEAT | Tail seat form | \ | Manual/Hydraulic tailstock |
| Tail seat sleeve taper | \ | MT-4 | |
| Tail seat sleeve diameter | mm | 65 | |
| Tail seat sleeve stroke | mm | 150 | |
| OTHER | Machine tool size (length* width* height) | mm | 2200*1400*1700 |
| Machine weight | kg | 1800 | |
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Zhejiang Guoyu CNC Machine Tool Co., Ltd. relies on rich experience, professional technology and advanced methods to ensure the quality of its products, so that customers can enjoy more professional and thoughtful service.
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