GF Machining MIKRON MILL X 400 U
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The Mikron MILL X 400 U is the eXtreme dynamics variant sharing the 500 x 245 x 360 mm envelope but with 100 m/min rapids -- 64% faster than the MILL S 400 U, saving 10-20% cycle time on typical mold insert finishing. Trunnion: 25 kg, +110/-110 deg A-axis. Spindle: 30,000/42,000 RPM Step-Tec/HSK-E40. Magazine: 68/168. TNC 7 or SINUMERIK ONE. 7,000 kg. Pricing: $375,000-$575,000.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 500 mm (19.7 in) |
| Y-Axis Travel | 245 mm (9.6 in) |
| Z-Axis Travel | 360 mm (14.2 in) |
| Pallet Interface | MacroMagnum 156 / ITS 148 |
| Table Load Capacity | 25 kg (55 lb) including pallet |
| A Axis Swivel Range | +110 deg / -110 deg |
| C Axis Rotation | n x 360 deg (continuous) |
| Max Spindle Speed | 30,000 RPM (42,000 RPM option) |
| Spindle Taper | HSK-E40 |
| Spindle Motor Power | 13.5 kW (18 hp) |
| Spindle Torque | 8.8 Nm |
| Spindle Technology | Step-Tec precision spindle |
| Tool Capacity | 68/168 (HSK-E40)15/30/60/120/170/220 (HSK-E50) |
| Rapid Traverse Rate | 100 m/min (3,937 ipm) |
| Machine Weight | 7,000 kg (15,432 lb) |
| CNC Control | Heidenhain TNC 7 / Siemens SINUMERIK ONE |
| Travel Xyz | 800 x 600 x 500 mm31.5 x 23.62 x 19.68 in |
| Swiveling Range | +30°-110° |
| Rotary Range | n x 360° |
| Rapid Traverse Xyz | 61 m/min (MILL S)2,401 in/min100 m/min (MILL X)3,937 in/min |
| Rapid Traverse Swiveling Rotating | 60 / 150 rpm |
| Working Spindle | 42,000 (HSK-E40) / 13.5 / 8.8 rpm/kW/Nm36,000 (HSK-E50) / 33 / 21 rpm/kW/Nm |
| Pallet Clamping Surface | Dynafix 280 x 280/350 x 350GPS 240 x 240UPC 320 x 320 |
| Max Load | 120 kg264 lbs |
| Machine Weight | 9,900 kg21,825 lbs |
| Control Unit | Heidenhain TNC 7Siemens SINUMERIK ONE |
Specifications sourced from gfms.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 100 m/min rapids 64% faster for measurable cycle time reductions
- 42,000 RPM for micro-milling with sub-0.5 mm tools
- 220-deg A-axis for deep cavity machining
- Jerk-limited trajectory planning for smooth finishes at speed
- 168-pocket magazine with System 3R automation
- 7,000 kg compact footprint
Limitations
- 25 kg table limits to small components
- HSK-E40 requires dedicated toolholders
- 8.8 Nm for finishing only
- Premium pricing needs cycle-time ROI vs MILL S
Best For
Frequently Asked Questions
01
Same envelope. X: 100 m/min vs 61, 10-20% cycle time reduction.
02
Yes -- savings compound across non-cutting moves.
03
30,000 RPM for most work. 42,000 for sub-0.5 mm micro-milling.
04
MacroMagnum/ITS with System 3R automation.
Videos
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