Machine Comparison
GF Mikron MILL S 800 vs GF Mikron MILL X 400
GF Machining Solutions vs GF Machining Solutions · Vertical Machining Centers
Summary
The GF Mikron MILL S 800 and GF Mikron MILL X 400 are both from GF Machining Solutions's vertical machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the GF Machining Solutions ecosystem. The GF Mikron MILL S 800 leads in max spindle speed (42,000 RPM (36,000 RPM option) vs 30,000 RPM). The GF Mikron MILL S 800 leads in x travel (800 mm (31.5 in) vs 500 mm (19.7 in)). The GF Mikron MILL S 800 leads in rapid traverse (61 m/min (2,402 ipm) vs 40 m/min (1,575 ipm)). On paper, the GF Mikron MILL S 800 edges ahead with advantages in 9 of the compared specifications, though real-world performance depends heavily on your specific applications and workholding. Both machines are proven performers in production environments and represent solid investments for shops in the market for a vertical machining center.
Specifications Comparison
| Specification | GF Mikron MILL S 800 | GF Mikron MILL X 400 |
|---|---|---|
| X-Axis Travel | 800 mm (31.5 in) ▲ | 500 mm (19.7 in) |
| Y-Axis Travel | 700 mm (27.6 in) ▲ | 450 mm (17.7 in) |
| Z-Axis Travel | 500 mm (19.7 in) ▲ | 360 mm (14.2 in) |
| Max Spindle Speed | 42,000 RPM (36,000 RPM option) ▲ | 30,000 RPM |
| Spindle Power | 13.5 kW (18 hp) / 33 kW (44 hp) at 36K RPM | 13.5 kW (18 hp) |
| Spindle Torque | 8.8 Nm (6.5 ft-lb) / 21 Nm (15.5 ft-lb) at 36K RPM | 8.8 Nm (6.5 ft-lb) |
| Tool Capacity | 68 tools (168 optional) ▲ | 30 tools (60 optional) |
| Rapid Traverse | 61 m/min (2,402 ipm) ▲ | 40 m/min (1,575 ipm) |
| Table Size | 900 x 700 mm (35.4 x 27.6 in) ▲ | 550 x 450 mm (21.7 x 17.7 in) |
| Control | Heidenhain TNC 7 / Siemens SINUMERIK ONE | Heidenhain TNC 640 / TNC 7 |
| Spindle Taper | HSK-E50 | HSK-E40 |
| Max Work Weight | 500 kg (1,102 lb) ▲ | 200 kg (441 lb) |
| Feed Rate | 30 m/min (1,181 ipm) | 30 m/min (1,181 ipm) |
| Machine Weight | 11,500 kg (25,353 lb) ▲ | 5,500 kg (12,125 lb) |
| Price Range | $380,000 - $520,000 | $180,000 - $260,000 ▲ |
Advantages
GF Mikron MILL S 800
- Greater x travel of 800 mm (31.5 in) accommodates larger workpieces
- Greater y travel of 700 mm (27.6 in) accommodates larger workpieces
- Greater z travel of 500 mm (19.7 in) accommodates larger workpieces
- Higher maximum spindle speed of 42,000 RPM (36,000 RPM option) enables faster cutting on aluminum and non-ferrous materials
- Larger tool magazine with 68 tools (168 optional) capacity reduces manual tool changes on complex parts
GF Mikron MILL X 400
- More competitive pricing at $180,000 - $260,000 compared to $380,000 - $520,000
- Backed by GF Machining Solutions's dealer and service network for parts and support
- Mold and die shops producing small to medium inserts, cores, and cavities requiring exceptional surface finish
Verdict
The GF Mikron MILL S 800 holds a spec advantage in this comparison, but the right choice depends on your shop's priorities. If the GF Mikron MILL S 800's strengths in areas like X Travel and Y Travel align with your work, it's the clear pick. The GF Mikron MILL X 400 may still win on dealer proximity, existing tooling compatibility, or specific features that matter most to your applications. Request quotes from both dealers and, if possible, run your actual parts on each machine before deciding.