LUNA Atlas S 2840 CNC

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
Control	CNC, 2 controlled axes
Max. table load	300 kg
Spindle speed	100–3600 rpm
Automatic vertical feed	0.001–0.05 mm/stroke
Surface roughness	≤Ra 0.4 μm
Weight	2500 kg
Automatic horizontal feed	0.005–12 mm/stroke
Rotary-table diameter	400 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

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.