Machine Comparison
GF Mikron HPM 400U vs Makino a500iR
GF Machining Solutions vs Makino · 5-Axis Machining Centers
Summary
The GF Mikron HPM 400U from GF Machining Solutions and Makino a500iR from Makino are direct competitors in the 5-axis machining centers category. The GF Mikron HPM 400U leads in max spindle speed (20,000 RPM vs 14,000 RPM (20,000 RPM optional)). The Makino a500iR leads in x travel (560 mm (22.0 in) vs 500 mm (19.7 in)). The Makino a500iR leads in rapid traverse (60 m/min (2,362 ipm) vs 45 m/min (1,772 ipm)). The Makino a500iR shows specification advantages in 6 categories, though the GF Mikron HPM 400U may still be the better choice depending on your shop's specific needs and the type of work you run. Both machines are proven performers in production environments and represent solid investments for shops in the market for a 5-axis machining center.
Specifications Comparison
| Specification | GF Mikron HPM 400U | Makino a500iR |
|---|---|---|
| X-Axis Travel | 500 mm (19.7 in) | 560 mm (22.0 in) ▲ |
| Y-Axis Travel | 450 mm (17.7 in) | 640 mm (25.2 in) ▲ |
| Z-Axis Travel | 400 mm (15.7 in) | 640 mm (25.2 in) ▲ |
| Max Spindle Speed | 20,000 RPM ▲ | 14,000 RPM (20,000 RPM optional) |
| Spindle Power | 35 kW (47 hp) ▲ | 22 kW (29.5 hp) continuous |
| Spindle Torque | 120 Nm (88.5 ft-lb) | 240 Nm (177 ft-lb) ▲ |
| Tool Capacity | 30 tools (60 optional) | 60 tools standard ▲ |
| Rapid Traverse | 45 m/min (1,772 ipm) | 60 m/min (2,362 ipm) ▲ |
| Control | Heidenhain TNC 7 | Makino Professional 6 (Pro 6) |
| Spindle Taper | HSK-A63 | HSK-A63 |
| Price Range | $350,000 - $500,000 ▲ | $450,000 - $650,000 |
Advantages
GF Mikron HPM 400U
- Higher maximum spindle speed of 20,000 RPM enables faster cutting on aluminum and non-ferrous materials
- More spindle power at 35 kW (47 hp) for aggressive material removal in harder materials
- More competitive pricing at $350,000 - $500,000 compared to $450,000 - $650,000
Makino a500iR
- Greater x travel of 560 mm (22.0 in) accommodates larger workpieces
- Greater y travel of 640 mm (25.2 in) accommodates larger workpieces
- Greater z travel of 640 mm (25.2 in) accommodates larger workpieces
- Superior spindle torque at 240 Nm (177 ft-lb) vs 120 Nm (88.5 ft-lb)
- Larger tool magazine with 60 tools standard capacity reduces manual tool changes on complex parts
Verdict
The Makino a500iR edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the GF Mikron HPM 400U remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.