Machine Comparison
DMG Mori DMU 105 monoBLOCK vs DMG Mori DMU 125 monoBLOCK
DMG Mori vs DMG Mori · 5-Axis Machining Centers
Summary
The DMG Mori DMU 105 monoBLOCK and DMG Mori DMU 125 monoBLOCK are both from DMG Mori's 5-axis machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the DMG Mori ecosystem. The DMG Mori DMU 125 monoBLOCK leads in x travel (1,335 mm (52.6 in) vs 1,135 mm (44.7 in)). The DMG Mori DMU 125 monoBLOCK shows specification advantages in 6 categories, though the DMG Mori DMU 105 monoBLOCK 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 DMU 105 monoBLOCK | DMG Mori DMU 125 monoBLOCK |
|---|---|---|
| X-Axis Travel | 1,135 mm (44.7 in) | 1,335 mm (52.6 in) ▲ |
| Y-Axis Travel | 1,050 mm (41.3 in) | 1,250 mm (49.2 in) ▲ |
| Z-Axis Travel | 750 mm (29.5 in) | 900 mm (35.4 in) ▲ |
| Max Spindle Speed | 15,000 RPM (up to 30,000 RPM optional) | 15,000 RPM (up to 30,000 RPM optional) |
| Spindle Torque | Up to 430 Nm | Up to 430 Nm |
| Tool Capacity | Up to 180 pockets | Up to 180 pockets |
| Accuracy | 5 µm standard | 5 µm standard |
| Control | Siemens Sinumerik ONE / Heidenhain TNC7 (CELOS X) | Siemens Sinumerik ONE / Heidenhain TNC7 (CELOS X) |
| B Axis Swivel | -35° to +110° | -35° to +110° |
| C Axis Rotation | 360° continuous | 360° continuous |
| Spindle Taper | SK40 / HSK-A63 (SK50 / HSK-A100 optional) | SK40 / HSK-A63 (SK50 / HSK-A100 optional) |
| Max Workpiece Diameter | 1,240 mm (48.8 in) | 1,400 mm (55.1 in) ▲ |
| Max Workpiece Height | 690 mm (27.2 in) | 790 mm (31.1 in) ▲ |
| Table Load Capacity | 2,000 kg (4,409 lb) | 2,600 kg (5,732 lb) ▲ |
| Price Range | $550,000 - $800,000 ▲ | $700,000 - $1,000,000 |
Advantages
DMG Mori DMU 105 monoBLOCK
- More competitive pricing at $550,000 - $800,000 compared to $700,000 - $1,000,000
- Backed by DMG Mori's dealer and service network for parts and support
- Aerospace manufacturers machining large structural components, bulkheads, and landing gear parts
DMG Mori DMU 125 monoBLOCK
- Greater x travel of 1,335 mm (52.6 in) accommodates larger workpieces
- Greater y travel of 1,250 mm (49.2 in) accommodates larger workpieces
- Greater z travel of 900 mm (35.4 in) accommodates larger workpieces
- Superior max workpiece diameter at 1,400 mm (55.1 in) vs 1,240 mm (48.8 in)
- Superior max workpiece height at 790 mm (31.1 in) vs 690 mm (27.2 in)
Verdict
The DMG Mori DMU 125 monoBLOCK edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the DMG Mori DMU 105 monoBLOCK 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.