LUNA · CNC surface grinding machines · Grinding machines
LUNA Atlas S 2840 CNCCNC surface grinding machine
LUNA Atlas S 2840 CNC is a high-precision vertical-spindle surface grinder with a Ø400 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 300 kg.
| Brand | LUNA |
| Grinding type | Vertical-spindle surface grinding on a rotary table |
| Country of manufacture | China |
| Category | Grinding machines · CNC surface grinding machines |
| Working area | |
| Max. table load | 300 kg |
| Rotary-table diameter | 400 mm |
| Maximum wheel-to-table distance | 400 mm |
| Vertical rapid traverse | 0–1 m/min |
| Horizontal rapid traverse | 0.5–1 m/min |
| Drive and output | |
| Spindle speed | 100–3600 rpm |
| Automatic vertical feed | 0.001–0.05 mm/stroke |
| Automatic horizontal feed | 0.005–12 mm/stroke |
| Rotary-table speed | 40–140 rpm |
| Spindle power | 5.5 kW |
| Control and accuracy | |
| Control | CNC, 2 controlled axes |
| Surface roughness | ≤Ra 0.4 μm |
| X/Z repeatability | ≤0.008 mm |
| X/Z positioning accuracy | ≤0.015 mm |
| Dimensions and power supply | |
| Weight | 2500 kg |
| Other specifications | |
| Table radial/axial runout | ≤0.002 mm |
Additional specifications
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.
