Hyundai WIA KF6700 II High Speed Type
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The Hyundai WIA KF6700 II High Speed Type is the large-format, high-speed variant of the second-generation KF6700, pairing the generous 1,300 x 670 mm travel envelope with a 15,000-20,000 RPM HSK-A63 spindle for productive high-speed aluminium machining on big parts. This is the machine for shops that need both large travel and high spindle speed, a combination typically priced well into premium territory by Japanese and European builders.
Travel remains 1,300 x 670 x 520 mm (51.2 x 26.4 x 20.5 in) with a 1,500 x 670 mm table rated for 1,200 kg. The HSK-A63 direct-drive spindle reaches 15,000 RPM standard (20,000 RPM optional) with 22/18.5 kW (30/25 hp). The direct-drive design eliminates belt vibration and delivers the smooth, consistent rotation quality that high-speed aluminium finishing demands.
The FANUC i-Series control with nano-interpolation and extended look-ahead processing is critical on a machine of this size operating at high speed. Block processing speed must keep pace with feed rates exceeding 10 m/min across a 1,300 mm X-axis, or the control becomes the cycle-time bottleneck. The FANUC platform handles this reliably.
Rapid traverse of 36 m/min (1,417 ipm) in X/Y and 30 m/min (1,181 ipm) in Z maintains acceptable repositioning times across the long-travel axes. The 30-tool arm-type ATC (40-tool optional) provides capacity for complex multi-tool programs. At $140,000-$200,000 new, the KF6700 II High Speed Type delivers large-format high-speed capability at a significant discount to Makino, Okuma, and DMG Mori equivalents.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 1,300 mm (51.2 in) |
| Y-Axis Travel | 670 mm (26.4 in) |
| Z-Axis Travel | 520 mm (20.5 in) |
| Table Size | mm |
| Table Load Max | 1,200 kg (2,646 lb) |
| Max Spindle Speed | 15,000 RPM (20,000 RPM optional) |
| Spindle Taper | HSK-A63 |
| Spindle Motor Power | kW |
| Spindle Drive | Direct drive |
| Tool Capacity | 30 (40 optional) |
| Tool Changer Type | Servo-driven arm type |
| Rapid Traverse Xy | 36 m/min (1,417 ipm) |
| Rapid Traverse Z | 30 m/min (1,181 ipm) |
| Guideway Type | Linear roller guideways |
| CNC Control | FANUC i-Series with nano-interpolation |
| Machine Weight | 13,000 kg (28,660 lb) approx. |
| Description | Unit |
| Max Load Capacity | kg |
| Spindle Rpm | r/min |
| Spindle Torque | N.m |
| Travel | mm |
| Rapid Feed Rate | m/min |
| No Of Tools | EA |
| Tool Change Time | sec |
| Type Of Business | Business Type 1VehiclesIT/ElectronicsMachinery/ShipbuildingComplex & Precise PartsDie&Mold IndustryEnergyOthersBusiness Type 2 |
| E Mail | @ |
Specifications sourced from wiamachine.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 1,300 x 670 mm travel with 15,000-20,000 RPM spindle provides both reach and speed for large aluminium parts
- HSK-A63 direct-drive spindle delivers vibration-free high-speed operation for excellent surface finishes on contoured parts
- 22 kW spindle power maintains strong cutting capability even at reduced RPM for occasional steel work
- 1,200 kg table load handles large aluminium castings, structural panels, and multi-fixture setups
- 30-40% lower pricing than comparable Makino, Okuma, and DMG Mori large-format high-speed VMCs
- FANUC nano-interpolation with look-ahead maintains smooth motion at elevated feed rates across long axes
Limitations
- 13,000 kg machine weight and large footprint demand significant floor space and foundation requirements
- HSK-A63 tooling investment is substantial, particularly for shops building a complete library for a large-format machine
- High-speed spindle configuration trades low-end torque for RPM, reducing heavy steel roughing efficiency
- 520 mm Z-travel may limit deep-pocket aluminium aerospace parts requiring extended tool reach
Best For
Frequently Asked Questions
01
Choose the High Speed Type when 60%+ of your work is in aluminium and cycle time improvement from higher spindle speed justifies the $10,000-$15,000 price premium plus higher HSK tooling costs. The Standard Type at 12,000 RPM is more versatile for mixed-material shops. The High Speed Type specifically benefits shops with large aluminium parts where surface speed directly impacts productivity.
02
Both are large-format VMCs with similar travel envelopes. The Okuma MB-66VA offers the OSP control and Thermo-Friendly Concept for excellent thermal stability. The KF6700 II HS counters with HSK-A63 spindle interface and 20-30% lower pricing. For shops prioritising Okuma thermal stability and resale value, the MB-66VA wins. For ROI-focused shops, the KF6700 II HS offers strong value.
03
On large parts, the advantage of 20,000 RPM diminishes compared to small-part work because larger tools with bigger diameters achieve adequate surface speed at lower RPM. A 20 mm end mill at 15,000 RPM already achieves 942 m/min surface speed, well into the optimal range for aluminium. The 20,000 RPM option primarily benefits small-diameter tools (under 10 mm) used for fine detail and finishing.
04
The KF6700 II can be equipped with 4th-axis rotary tables for 3+1 or 3+2 machining. However, it is not a true 5-axis simultaneous machine. For 5-axis capability in the Hyundai WIA lineup, look at their dedicated 5-axis platforms. Adding a rotary table to the KF6700 II is practical for indexed multi-face machining but not for complex 5-axis contouring.
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