Machine Comparison
DMG Mori CMX 50 U vs Starrag LX 021
DMG Mori vs Starrag · 5-Axis Machining Centers
Summary
The DMG Mori CMX 50 U from DMG Mori and Starrag LX 021 from Starrag are direct competitors in the 5-axis machining centers category. The Starrag LX 021 leads in max spindle speed (30,000 RPM vs 12,000 RPM (15,000 RPM optional)). The DMG Mori CMX 50 U leads in x travel (500 mm (19.7 in) vs 400 mm (15.75 in)). The DMG Mori CMX 50 U leads in spindle power (22 kW (30 hp) vs 20 kW (27 hp)). On paper, the DMG Mori CMX 50 U edges ahead with advantages in 5 of the compared specifications, though real-world performance depends heavily on your specific applications and workholding. Both machines are proven performers in production environments and represent solid investments for shops in the market for a 5-axis machining center.
Specifications Comparison
| Specification | DMG Mori CMX 50 U | Starrag LX 021 |
|---|---|---|
| X-Axis Travel | 500 mm (19.7 in) ▲ | 400 mm (15.75 in) |
| Y-Axis Travel | 450 mm (17.7 in) ▲ | 200 mm (7.87 in) |
| Z-Axis Travel | 400 mm (15.7 in) | 410 mm (16.14 in) ▲ |
| Max Spindle Speed | 12,000 RPM (15,000 RPM optional) | 30,000 RPM ▲ |
| Spindle Power | 22 kW (30 hp) ▲ | 20 kW (27 hp) |
| Spindle Torque | 86 Nm (63 ft-lb) ▲ | 22.5 Nm (16.6 ft-lb) |
| Tool Capacity | 30 tools standard (60 optional) | 30 (standard disk magazine), up to 90 |
| Control | CELOS with Fanuc 31i-B5 or Siemens 840D sl | Siemens SINUMERIK 840D sl |
| Spindle Taper | CAT 40 / BBT 40 | HSK-A40 |
| Price Range | $175,000 - $275,000 ▲ | $600,000 - $1,000,000 |
Advantages
DMG Mori CMX 50 U
- Greater x travel of 500 mm (19.7 in) accommodates larger workpieces
- Greater y travel of 450 mm (17.7 in) accommodates larger workpieces
- More spindle power at 22 kW (30 hp) for aggressive material removal in harder materials
- Superior spindle torque at 86 Nm (63 ft-lb) vs 22.5 Nm (16.6 ft-lb)
- More competitive pricing at $175,000 - $275,000 compared to $600,000 - $1,000,000
Starrag LX 021
- Greater z travel of 410 mm (16.14 in) accommodates larger workpieces
- Higher maximum spindle speed of 30,000 RPM enables faster cutting on aluminum and non-ferrous materials
- Backed by Starrag's dealer and service network for parts and support
- Aerospace OEMs and tier-1 suppliers producing high volumes of compressor and turbine blades for jet engines
Verdict
The DMG Mori CMX 50 U holds a spec advantage in this comparison, but the right choice depends on your shop's priorities. If the DMG Mori CMX 50 U's strengths in areas like X Travel and Y Travel align with your work, it's the clear pick. The Starrag LX 021 may still win on dealer proximity, existing tooling compatibility, or specific features that matter most to your applications. Request quotes from both dealers and, if possible, run your actual parts on each machine before deciding.