
LUNA Atlas S 2850 CNC is a high-precision vertical-spindle surface grinder with a Ø500 mm hydrostatic rotary table. Its vertical layout, two controlled axes and 40–140 rpm table speed are intended for stable grinding of discs, rings, flanges, cutters and other flat components weighing up to 400 kg.
| Brand | LUNA |
| Grinding type | Vertical-spindle surface grinding on a rotary table |
| Country of manufacture | China |
| Control | CNC, 2 controlled axes |
| Max. table load | 400 kg |
| Spindle speed | 100–3600 rpm |
| Automatic vertical feed | 0.001–0.05 mm/stroke |
| Surface roughness | ≤Ra 0.4 μm |
| Weight | 3000 kg |
| Automatic horizontal feed | 0.005–12 mm/stroke |
| Rotary-table diameter | 500 mm |
| Maximum wheel-to-table distance | 400 mm |
| Rotary-table speed | 40–140 rpm |
| X/Z repeatability | ≤0.008 mm |
| Spindle power | 5.5 kW |
| Table radial/axial runout | ≤0.002 mm |
| X/Z positioning accuracy | ≤0.015 mm |
| Vertical rapid traverse | 0–1 m/min |
| Horizontal rapid traverse | 0.5–1 m/min |
| Category | Grinding machines · CNC surface grinding machines |
The machine uses the wheel face to grind workpieces mounted on the rotary table. The wheel, fixture and coolant-filtration system are selected for the material, geometry and required surface finish.