Machine Comparison
Mazak INTEGREX e-420H vs Okuma MULTUS U3000 5-Axis Mill-Turn
Yamazaki Mazak vs Okuma · Mill-Turn Machines
Summary
The Mazak INTEGREX e-420H and the Okuma MULTUS U3000 5-Axis Mill-Turn are both multi-tasking machines that turn and mill a part in one setup, and on the published figures they are close in size: 670 mm (26.4 in) maximum turning diameter against 650 mm (25.69 in), and 40 tools as standard on both.
The Mazak has the stronger turning drive, 30/40 hp (22/30 kW) continuous/30-min against 22/15 kW (30/20 hp), and its magazine can be expanded to 80 or 120 tools. The Okuma's main spindle runs faster, to 5,000 rpm against 4,000 RPM. The e-420H is set up for long shaft work; the MULTUS U3000 is aimed at chucked work, short shafts, housings and flanges sized around an 8-inch chuck.
Specifications Comparison
| Specification | Mazak INTEGREX e-420H | Okuma MULTUS U3000 5-Axis Mill-Turn |
|---|---|---|
| Max Turning Diameter | 670 mm (26.4 in) ▲ | 650 mm (25.69 in) |
| Max Spindle Speed | 4,000 RPM | 50–5,000 rpm ▲ |
| Spindle Power | 30/40 hp (22/30 kW) continuous/30-min ▲ | 22/15 kW (30/20 hp) |
| Tool Capacity | 40 tools (80 or 120 optional) | 40 tools |
Advantages
Mazak INTEGREX e-420H
- 30/40 hp (22/30 kW) continuous/30-min turning power against 22/15 kW (30/20 hp)
- Magazine expandable to 80 or 120 tools
- Built for long shaft-type work such as landing gear and turbine shafts
Okuma MULTUS U3000 5-Axis Mill-Turn
- 5,000 rpm main spindle against 4,000 RPM
- Aimed at chucked parts, short shafts, housings and flanges finished in one cycle
Verdict
Choose the Mazak INTEGREX e-420H for long shafts and heavy parts in aerospace, oil and gas and power generation, where the 22/30 kW drive and room to grow to 120 tools suit long, high-mix cycles. Choose the Okuma MULTUS U3000 5-Axis Mill-Turn for complex chucked parts, short shafts, housings and flanges in precision job shops, where its 5,000 rpm spindle and single-cycle completion fit medium-volume work.