Machine Comparison
DN Solutions SMX 3100ST vs Mazak INTEGREX e-420H
DN Solutions vs Yamazaki Mazak · Mill-Turn Machines
Summary
The DN Solutions SMX 3100ST from DN Solutions and Mazak INTEGREX e-420H from Yamazaki Mazak are direct competitors in the mill-turn machines category. These machines are closely matched across most specifications, making the decision more about specific feature priorities, dealer support, and your existing shop ecosystem than raw spec advantages. Both machines are proven performers in production environments and represent solid investments for shops in the market for a mill-turn machine.
Specifications Comparison
| Specification | DN Solutions SMX 3100ST | Mazak INTEGREX e-420H |
|---|---|---|
| Y-Axis Travel | 300 mm (11.8 in) [+/-150 mm] | 420 mm (16.54 in) ▲ |
| Bar Capacity | 103 mm (4.1 in) ▲ | 77 mm (3.03 in) |
| Max Turning Diameter | 660 mm (26 in) | 670 mm (26.4 in) |
| Max Turning Length | 1,540 mm (60.6 in) | 1,524 mm (60 in) standard / 3,048 mm (120 in) optional |
| Control | FANUC 31i-B5 with CUFOS dual-path 5-axis simultaneous | MAZATROL SmoothAi CNC (Matrix 2 on earlier II-series) |
| B Axis Range | 240° (+/-120°) | 240° (-30° to +210°) |
| Main Spindle Speed | 3,000 RPM | 4,000 RPM ▲ |
| Main Spindle Power | 30 kW (40 hp) / 1,203 Nm (887 ft-lbs) | 30/40 hp (22/30 kW) continuous/30-min |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM |
| Milling Spindle Power | 26 kW (35 hp) / 124 Nm (91 ft-lbs) ▲ | 22 kW (29.3 hp) |
| Milling Spindle Taper | Capto C6 | No. 40 / CAPTO C6 / HSK-T63 ▲ |
| Machine Weight | 18,500 kg (40,780 lb) | 20,000 kg (44,092 lb) approx. ▲ |
| Price Range | $350,000 - $500,000 ▲ | $450,000 - $650,000 |
Advantages
DN Solutions SMX 3100ST
- Superior bar capacity at 103 mm (4.1 in) vs 77 mm (3.03 in)
- Superior milling spindle power at 26 kW (35 hp) / 124 Nm (91 ft-lbs) vs 22 kW (29.3 hp)
- More competitive pricing at $350,000 - $500,000 compared to $450,000 - $650,000
Mazak INTEGREX e-420H
- Greater y travel of 420 mm (16.54 in) accommodates larger workpieces
- Superior main spindle speed at 4,000 RPM vs 3,000 RPM
- Superior milling spindle taper at No. 40 / CAPTO C6 / HSK-T63 vs Capto C6
- Superior machine weight at 20,000 kg (44,092 lb) approx. vs 18,500 kg (40,780 lb)
Verdict
This is a close matchup. The DN Solutions SMX 3100ST and Mazak INTEGREX e-420H trade advantages across different specifications, making neither a clear winner on paper alone. Your decision should come down to practical factors: which dealer is closer, which control system your operators already know, what tooling ecosystem you're invested in, and which machine's specific strengths match your highest-volume work. Get quotes on both, run test cuts with your actual parts if possible, and factor in long-term service and support costs.