Introduction
CK7516GS is aspeedy CNC lath with swing diameter φ400mm developed after researching intotechniques of efficient machining structure optimization, thermal distortion& compensation, static and dynamic measuring in speedy turning, spindleunit and high-speed cutting ,modular design of functional assemblies, dynamicperformance study and light-weighted techniques, speedy movement drive anddependability.,
The machine is suitable for manufacturing in aerospace,military and medicinal industries.
| Item | Unit | CK7516GS | |
| Capacity | Max swing over bed | mm(in) | Φ450(17.7) |
| Max swing over slide | mm(in) | Φ280(11) | |
| Max workpiece length | mm(in) | 500(19.7) | |
| Max turning diameter | mm(in) | Φ285(11.2) | |
| Max bar diameter mm | mm(in) | Φ35(1.38) | |
| Spindle | Hydraulic chuck diameter | mm(in) | Φ169(6’’) |
| Spindle nose | A2-5 （GB/T5900.1） | ||
| Spindle thru-hole mm | mm | Φ49(1.93) | |
| Spindle bearing diameter(front/rear) | mm | Φ90/Φ75(3.54/2.95) | |
| Spindle speed | r/min(rpm) | 80-8000 | |
| Main motor power(cont/30min) | kW(hp) | 15/18.7(20.4/25.43) | |
| Tailstock | Quill diameter/travel | mm(in) | Φ70/80(2.76/3.15) |
| Center taper | MT No.4 | ||
| Carriage | Slant degree | 45° | |
| X/Z-axis travel | mm | 165/510(6.5/20) | |
| X/Z-axis rapid traverse | m/min(ipm) | 42/42（1653/165） | |
| X/Z-axis servo motor torque | Nm(ft-lb) | 10.3/14.7(13.96/19.92) | |
| X/Z-axis ball screw diameter | Mm(in) | Φ32/Φ40(1.26/1.57) | |
| Turret | Number of stations/ revolving tool stations | 12 | |
| Tool section (turning/boring) | mm | 20×20/Φ32 | |
| Others | Power source | kVA | 40 |
| Dimension(L×W×H) | Mm(in) | 3740×1780×1930 (147.2×70.1×76) | |
| Gross weight | kg | 4500(9922) | |