Hyundai WIA F400D
Key Specifications
Max Spindle
Spindle Taper
Spindle Power
Max Workpiece ⌀
Accuracy
Repeatability
Overview
The Hyundai WIA F400D is a compact 5-axis simultaneous machining center based on a trunnion table (tilting rotary table) architecture, designed for shops requiring full 5-axis capability in a machine with a manageable footprint and price point. With a 400 mm direct-drive rotary table, 600/500/500 mm (X/Y/Z) travels, and a 15,000 RPM BT40 spindle, the F400D addresses the growing demand for 5-axis capacity in aerospace, medical, mold, and precision part manufacturing.
The F400D's trunnion configuration — A-axis tilt (±110°) combined with C-axis full 360° rotation — provides simultaneous 5-axis interpolation for complex sculptured surfaces, undercuts, and compound-angle features that 3+2 indexed machining cannot achieve. The direct-drive torque motors on both A and C axes eliminate backlash, provide high rotational accuracy, and enable high-speed contouring without the maintenance demands of worm gear drives.
The 15,000 RPM BT40 spindle with 22/18.5 kW (30/25 hp) covers the full range from high-speed aluminum finishing to steel and titanium semi-roughing. A 30-tool ATC (arm-type) provides adequate tooling for complex 5-axis programs. Rapid traverse of 42 m/min (1,654 ipm) in linear axes maintains competitive cycle times. The FANUC 0i-MF Plus with 5-axis option (RTCP/TCP function) is standard, supporting full 5-axis simultaneous interpolation and tool center point control.
At $350,000-$500,000 new, the F400D sits at the accessible end of the serious 5-axis machining center market. It competes with the Haas UMC-500SS, DMG Mori CMX 600 U, and Makino D200Z. For shops making their first investment in 5-axis or adding a second machine, the F400D offers a complete, production-ready 5-axis platform with FANUC control and Hyundai WIA build quality.
Full Specifications
| Parameter | Value |
|---|---|
| Table Diameter | 400 mm (15.7 in) |
| X Travel | 600 mm (23.6 in) |
| Y Travel | 500 mm (19.7 in) |
| Z Travel | 500 mm (19.7 in) |
| A Axis Range | ±110° |
| C Axis Range | 360° (continuous) |
| Max Spindle Speed | 15,000 RPM |
| Spindle Motor Power | 22/18.5 kW (30/25 hp) |
| Spindle Taper | BT40 |
| Spindle Type | Built-in motor spindle |
| A C Axis Drive | Direct-drive torque motors |
| Max Workpiece Diameter | 500 mm (19.7 in) |
| Max Workpiece Height | 350 mm (13.8 in) |
| Max Workpiece Weight | 300 kg (661 lb) |
| Atc Capacity | 30 tools |
| Atc Type | Arm-type ATC |
| Guideway Type | Linear roller guides |
| Rapid Traverse Linear | 42 m/min (1,654 ipm) |
| Rapid Traverse A C | 50 RPM |
| Positioning Accuracy | ±0.004 mm (±0.00016 in) |
| Repeatability | ±0.002 mm (±0.00008 in) |
| Machine Weight | 13,500 kg (29,762 lb) |
| CNC Control | FANUC 0i-MF Plus (5-axis) |
Strengths & Limitations
Strengths
- Simultaneous 5-axis interpolation via trunnion architecture enables complex sculptured surfaces and undercuts in a single setup
- Direct-drive torque motors on A and C axes eliminate backlash, maximize rotational accuracy, and reduce maintenance versus worm gear drives
- 15,000 RPM built-in motor spindle provides the speed range for both high-speed aluminum finishing and productive steel work
- FANUC 0i-MF Plus with RTCP/TCP function supports full simultaneous 5-axis programs from all major CAM systems
- 30-tool ATC provides tooling flexibility for complex 5-axis programs without requiring operator intervention
- Compact footprint relative to full gantry 5-axis machines makes the F400D suitable for most manufacturing floor plans
- Competitive pricing at $350K-$500K versus comparable European 5-axis machines in the same table class
Limitations
- 400 mm table diameter limits maximum workpiece size — shops with larger parts need a 500 mm or 630 mm table 5-axis machine
- 300 kg maximum workpiece weight constrains heavier aerospace or die steel workpieces
- BT40 taper limits deep-cut torque at low RPM compared to BT50 5-axis machines — consider BT50 options for heavy titanium roughing
- 30-tool ATC may be limiting for complex aerospace programs requiring many unique tools — optional extended ATC should be evaluated
- Hyundai WIA's 5-axis after-sales support and application engineering resources are less developed than Makino, DMG Mori, or Okuma
- $350K-$500K is a significant capital investment for shops new to 5-axis — ensure CAM, programming, and fixturing infrastructure is in place
Best For
Frequently Asked Questions
01
New F400D 5-axis machining centers typically sell in the $350,000-$500,000 range depending on options, tooling packages, and regional dealer pricing. Pricing varies based on ATC size, spindle speed options, and whether through-spindle coolant and probing systems are included. The F400D is positioned as a competitively priced entry into serious production 5-axis machining compared to European alternatives at similar capability.
02
In 3+2 machining (also called positional 5-axis), the A and C axes tilt the part to a fixed angle, then the three linear axes perform the cut — the rotary axes do not move during cutting. Simultaneous 5-axis (full 5-axis) interpolates all five axes together in real time, allowing the tool to maintain a constant angle relative to a curved surface — essential for smooth contouring of sculptured surfaces, turbine blades, and impellers. The F400D supports both modes.
03
The FANUC 0i-MF Plus 5-axis control is supported by all major CAM systems with 5-axis capability including Mastercam, Hypermill, PowerMill (Autodesk), SolidCAM, Vericut, and NX CAM. FANUC RTCP (Rotation Tool Center Point) is supported, enabling the CAM system to program tool center point paths that are automatically adjusted for rotary axis positioning errors. Post-processors for FANUC 5-axis are widely available and well-tested.
04
Traditional worm gear drives for rotary axes have inherent backlash and wear over time, which can reduce angular positioning accuracy and require periodic adjustment. Direct-drive torque motors eliminate the mechanical transmission entirely — the motor directly drives the axis with no gears. This provides zero backlash, higher rotational speed and acceleration, and lower maintenance requirements. On a 5-axis machine where A and C axis accuracy directly affects part geometry, direct-drive is a significant quality and reliability advantage.
05
The F400D accommodates workpieces up to 500 mm (19.7 in) diameter and 350 mm (13.8 in) height on the 400 mm rotary table, with a maximum weight of 300 kg (661 lb) including fixture. The 600/500/500 mm linear travels define the full machining envelope when the table is in its home position. Complex 5-axis programs with large tilt angles reduce the effective machining envelope — verify maximum tilt configurations against your specific part geometry during machine selection.
Videos
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