Machine Comparison
JTEKT FH630SX vs Makino a120nx
JTEKT vs Makino · Horizontal Machining Centers
Summary
The JTEKT FH630SX from JTEKT and Makino a120nx from Makino are direct competitors in the horizontal machining centers category. The Makino a120nx leads in x travel (1,600 mm (63.0 in) vs 1,050 mm (41.3 in)). The Makino a120nx leads in tool capacity (100 tools standard (expandable) vs 60 (standard), up to 330). The JTEKT FH630SX leads in spindle power (80 kW (107 hp) at 8,000 RPM / 55 kW (74 hp) at 15,000 RPM vs 55 kW (73.7 hp) continuous). These machines are closely matched across most specifications, making the decision more about specific feature priorities, dealer support, and your existing shop ecosystem than raw spec advantages. 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 | JTEKT FH630SX | Makino a120nx |
|---|---|---|
| X-Axis Travel | 1,050 mm (41.3 in) | 1,600 mm (63.0 in) ▲ |
| Y-Axis Travel | 900 mm (35.4 in) | 1,350 mm (53.1 in) ▲ |
| Z-Axis Travel | 1,050 mm (41.3 in) | 1,400 mm (55.1 in) ▲ |
| Max Spindle Speed | 8,000 RPM (standard) / 15,000 RPM (option) | 8,000 RPM |
| Spindle Power | 80 kW (107 hp) at 8,000 RPM / 55 kW (74 hp) at 15,000 RPM ▲ | 55 kW (73.7 hp) continuous |
| Spindle Torque | 1,088 Nm (802 ft-lb) at 8,000 RPM ▲ | 1,000 Nm (738 ft-lb) |
| Tool Capacity | 60 (standard), up to 330 | 100 tools standard (expandable) ▲ |
| Accuracy | ±0.002 mm (±0.00007 in) full stroke | ±0.004 mm (±0.00016 in) |
| Repeatability | ±0.001 mm (±0.00004 in) | ±0.002 mm (±0.00008 in) |
| Control | JTEKT TOYOPUC-Touch (FANUC 31i-B5 based) | Makino Professional 6 (Pro 6) |
| Spindle Taper | CAT 50 (BT 50) | HSK-A100 |
| Pallet Size | 630 x 630 mm (24.8 x 24.8 in) | 1,250 x 1,250 mm (49.2 x 49.2 in) ▲ |
| Number Of Pallets | 2 (standard), expandable | 2 standard |
| Price Range | $450,000 - $750,000 ▲ | $1,800,000 - $2,800,000 |
Advantages
JTEKT FH630SX
- More spindle power at 80 kW (107 hp) at 8,000 RPM / 55 kW (74 hp) at 15,000 RPM for aggressive material removal in harder materials
- Superior spindle torque at 1,088 Nm (802 ft-lb) at 8,000 RPM vs 1,000 Nm (738 ft-lb)
- More competitive pricing at $450,000 - $750,000 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
- Larger tool magazine with 100 tools standard (expandable) capacity reduces manual tool changes on complex parts
- Superior pallet size at 1,250 x 1,250 mm (49.2 x 49.2 in) vs 630 x 630 mm (24.8 x 24.8 in)
Verdict
This is a close matchup. The JTEKT FH630SX and Makino a120nx trade advantages across different specifications, making neither a clear winner on paper alone. Your decision should come down to practical factors: which dealer is closer, which control system your operators already know, what tooling ecosystem you're invested in, and which machine's specific strengths match your highest-volume work. Get quotes on both, run test cuts with your actual parts if possible, and factor in long-term service and support costs.