Machine Comparison
DMG Mori CMX 50 U vs Mitsui Seiki Vertex 100
DMG Mori vs Mitsui Seiki · 5-Axis Machining Centers
Summary
The DMG Mori CMX 50 U from DMG Mori and Mitsui Seiki Vertex 100 from Mitsui Seiki are direct competitors in the 5-axis machining centers category. The Mitsui Seiki Vertex 100 leads in x travel (1,000 mm (39.4 in) vs 500 mm (19.7 in)). The Mitsui Seiki Vertex 100 leads in rapid traverse (50 m/min (1,969 ipm) vs 30 m/min (1,181 ipm)). The Mitsui Seiki Vertex 100 leads in tool capacity (60 tools (90 optional) vs 30 tools standard (60 optional)). The Mitsui Seiki Vertex 100 shows specification advantages in 8 categories, though the DMG Mori CMX 50 U may still be the better choice depending on your shop's specific needs and the type of work you run. 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 | Mitsui Seiki Vertex 100 |
|---|---|---|
| X-Axis Travel | 500 mm (19.7 in) | 1,000 mm (39.4 in) ▲ |
| Y-Axis Travel | 450 mm (17.7 in) | 700 mm (27.6 in) ▲ |
| Z-Axis Travel | 400 mm (15.7 in) | 500 mm (19.7 in) ▲ |
| Tool Capacity | 30 tools standard (60 optional) | 60 tools (90 optional) ▲ |
| Rapid Traverse | 30 m/min (1,181 ipm) | 50 m/min (1,969 ipm) ▲ |
| Control | CELOS with Fanuc 31i-B5 or Siemens 840D sl | Fanuc 31i-B5 with nano-smoothing |
| Spindle Taper | CAT 40 / BBT 40 | HSK-A63 |
| Table Diameter | 500 mm (19.7 in) | 800 mm (31.5 in) ▲ |
| Max Table Load | 200 kg (441 lb) | 500 kg (1,102 lb) ▲ |
| Machine Weight | 6,600 kg (14,551 lb) | 16,000 kg (35,274 lb) ▲ |
| Price Range | $175,000 - $275,000 ▲ | $500,000 - $750,000 |
Advantages
DMG Mori CMX 50 U
- More competitive pricing at $175,000 - $275,000 compared to $500,000 - $750,000
- Backed by DMG Mori's dealer and service network for parts and support
- Job shops adding their first 5-axis capability without committing to premium pricing
Mitsui Seiki Vertex 100
- Greater x travel of 1,000 mm (39.4 in) accommodates larger workpieces
- Greater y travel of 700 mm (27.6 in) accommodates larger workpieces
- Greater z travel of 500 mm (19.7 in) accommodates larger workpieces
- Larger tool magazine with 60 tools (90 optional) capacity reduces manual tool changes on complex parts
- Faster rapid traverse at 50 m/min (1,969 ipm) reduces non-cutting time between operations
Verdict
The Mitsui Seiki Vertex 100 edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the DMG Mori CMX 50 U remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.