Machine Comparison
Kitamura Mycenter HX630iG vs Makino a120nx
Kitamura vs Makino · Horizontal Machining Centers
Summary
The Kitamura Mycenter HX630iG from Kitamura and Makino a120nx from Makino are direct competitors in the horizontal machining centers category. The Kitamura Mycenter HX630iG leads in max spindle speed (12,000 RPM vs 8,000 RPM). The Makino a120nx leads in x travel (1,600 mm (63.0 in) vs 1,050 mm (41.3 in)). The Kitamura Mycenter HX630iG leads in rapid traverse (60 m/min (2,362 ipm) vs 42 m/min (1,654 ipm)). The Makino a120nx shows specification advantages in 6 categories, though the Kitamura Mycenter HX630iG 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 horizontal machining center.
Specifications Comparison
| Specification | Kitamura Mycenter HX630iG | Makino a120nx |
|---|---|---|
| X-Axis Travel | 1,050 mm (41.3 in) | 1,600 mm (63.0 in) ▲ |
| Y-Axis Travel | 800 mm (31.5 in) | 1,350 mm (53.1 in) ▲ |
| Z-Axis Travel | 850 mm (33.5 in) | 1,400 mm (55.1 in) ▲ |
| Max Spindle Speed | 12,000 RPM ▲ | 8,000 RPM |
| Spindle Power | 30 kW (40 hp) | 55 kW (73.7 hp) continuous ▲ |
| Tool Capacity | 60 tools standard (up to 120 optional) | 100 tools standard (expandable) ▲ |
| Rapid Traverse | 60 m/min (2,362 ipm) ▲ | 42 m/min (1,654 ipm) |
| Accuracy | 0.002 mm (0.00008 in) | ±0.004 mm (±0.00016 in) |
| Repeatability | 0.001 mm (0.00004 in) | ±0.002 mm (±0.00008 in) |
| Control | Fanuc 31i-B with Arumatik-Mi | Makino Professional 6 (Pro 6) |
| Pallet Size | 630 x 630 mm (24.8 x 24.8 in) | 1,250 x 1,250 mm (49.2 x 49.2 in) ▲ |
| Spindle Taper | BT50 (HSK-A100 optional) | HSK-A100 |
| Price Range | $450,000 - $650,000 ▲ | $1,800,000 - $2,800,000 |
Advantages
Kitamura Mycenter HX630iG
- Higher maximum spindle speed of 12,000 RPM enables faster cutting on aluminum and non-ferrous materials
- Faster rapid traverse at 60 m/min (2,362 ipm) reduces non-cutting time between operations
- More competitive pricing at $450,000 - $650,000 compared to $1,800,000 - $2,800,000
Makino a120nx
- Greater x travel of 1,600 mm (63.0 in) accommodates larger workpieces
- Greater y travel of 1,350 mm (53.1 in) accommodates larger workpieces
- Greater z travel of 1,400 mm (55.1 in) accommodates larger workpieces
- More spindle power at 55 kW (73.7 hp) continuous for aggressive material removal in harder materials
- Larger tool magazine with 100 tools standard (expandable) capacity reduces manual tool changes on complex parts
Verdict
The Makino a120nx edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the Kitamura Mycenter HX630iG 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.