HX-400: 40,000 rpm Direct-Drive Spindle
A direct-drive, liquid-cooled motor spindle for 5-axis machining centers.
The HX-400 High-Speed CNC Spindle from Hanil Precision delivers a maximum speed of 40,000 rpm with a rated power of 22 kW (S1). Peak torque is 14.5 Nm.
- Direct-drive motor spindle
- Liquid-cooled design
- Built for 5-axis machining centers
- High-speed, high-power performance
HX-400 in Numbers
40,000
Maximum speed
1,860
Machines with HX-400 installed
14
Countries served
21,000
Documented MTBF
6,500
Annual production capacity
1994
Year Hanil Precision began manufacturing precision spindles
1.HX-400 at a Glance
| Product | HX-400 High-Speed CNC Spindle |
|---|---|
| Type | Direct-drive, liquid-cooled motor spindle |
| Designed for | 5-axis machining centers |
| Maximum speed | 40,000 rpm |
| Rated power | 22 kW (S1) |
| Tool interface | HSK-A63 |
| Manufacturer | Hanil Precision Co., Ltd. |
| Spindle production since | 1994 |
| Production plants | Two ISO 9001:2015 certified plants in Changwon, Korea |
| Standard lead time | 8 weeks ex-works Changwon |
[Source 3]
- “The HX-400 is a direct-drive,…”p. 1
- “Standard lead time is 8 weeks ex-works…”p. 2
- “Rated power (S1 / S6-40%) · 22 kW / 30…”p. 1
2.Built for Precision at 40,000 rpm
| Hybrid ceramic bearings | The HX-400 runs on hybrid ceramic angular contact bearings, oil-air lubricated. |
|---|---|
| Rigidity and runout | Radial runout at taper is ≤ 1.0 µm, measured 50 mm from the nose, and axial stiffness is 190 N/µm. |
| Balanced and load-tested | All HX-series spindles are balanced to ISO 1940 grade G0.4 and tested for 24 hours under load before shipment. |
| Manufacturing heritage | Hanil Precision has manufactured precision spindles since 1994. It operates two ISO 9001:2015 certified plants in Changwon, Korea, with an annual production capacity of 6,500 spindle units. |
3.HX-400 Options and Accessories
Vibration sensor kit
Tri-axial accelerometer with 24-bit data acquisition; supports predictive maintenance via OPC UA
Through-spindle coolant
Coolant delivery through the spindle, with a rotary union rated for 40,000 rpm
- Pressure up to 70 bar
Tool clamp monitoring
Analog position sensor with 3-state output (clamped / unclamped / no tool)
Extended warranty
Coverage for 36 months or 12,000 operating hours, whichever comes first
4.HX-400 Technical Specifications
| Maximum speed | 40,000 rpm (continuous) |
|---|---|
| Rated power (S1 / S6-40%) | 22 kW / 30 kW at 12,000 rpm |
| Peak torque | 14.5 Nm (S6-40%) |
| Tool interface | HSK-A63 (DIN 69893) |
| Cooling | Liquid, 12 L/min, inlet 20 ± 1 °C |
| Weight | 68 kg without tool |
| Dimensions (Ø × L) | Ø200 × 585 mm |
| Operating temperature | 5 – 40 °C ambient |
| Noise level | ≤ 72 dB(A) at 40,000 rpm, 1 m |
| Calibration | Every HX-400 ships with a calibration certificate traceable to KRISS (Korea Research Institute of Standards and Science) |
| Compliance | CE Machinery Directive 2006/42/EC; UL 61800-5-1 recognition for the North American market |
[Source 2]
- “Rated power (S1 / S6-40%) · 22 kW / 30…”p. 1
- “Every HX-400 is shipped with a…”p. 2
5.Certifications and Standards
ISO 9001:2015
Two certified plants in Changwon, Korea
CE Machinery Directive 2006/42/EC
The HX-400 spindle complies with this directive
UL 61800-5-1
Recognition for the North American market
KRISS calibration certificate
Shipped with every HX-400, traceable to KRISS (Korea Research Institute of Standards and Science)
ISO 1940 grade G0.4
All HX-series spindles are balanced to this grade
6.Proven in the Field
Installed base, benchmark results and typical applications for the HX-400
| 6.1Installed base | HX-400 has been installed in 1,860 machines across 14 countries since its launch in 2021. |
|---|---|
| 6.2Field reliability | Documented MTBF of 21,000 hours, based on field data from 312 units monitored over 36 months. |
| 6.3Cycle time on thin-wall aluminum components | Customers report a 27% reduction in cycle time compared with 24,000 rpm spindles, based on a 2025 benchmark study conducted with 8 customers. |
| 6.4Warranty returns | 0.6% warranty return rate across all HX-series units in fiscal 2025. |
| 6.5Aluminum aerospace structural parts | A typical application for the HX-400. |
| 6.6Medical implant machining | Typical application for machining titanium Ti-6Al-4V. |
| 6.7Mold and die finishing | Typical application with tools down to 0.3 mm diameter. |
Specify the HX-400 for your next build
Send Hanil Precision your machine requirements and get the HX-400 matched to your 5-axis machining center. Our export sales team will respond with the details you need to move from specification to order.
Contact Hanil Precision Export Sales
Hanil Precision Co., Ltd.
77 Gongdan-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do 51554, Korea
Export sales: export@hanil-precision.example
Phone: +82-55-000-0000
Standard lead time is 8 weeks ex-works Changwon.
Rebuild service is available at authorized centers in Korea, Germany (Stuttgart), and the United States (Chicago), with a guaranteed 10-business-day turnaround for standard rebuilds.
Technical support is available in Korean, English, German, and Japanese.