Machine Comparison
Okuma MA-550V vs Okuma MA-650V
Okuma vs Okuma · Vertical Machining Centers
Summary
The Okuma MA-550V and Okuma MA-650V are both from Okuma's vertical machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the Okuma ecosystem. The Okuma MA-650V leads in x travel (1,600 mm (63.0 in) vs 1,300 mm (51.2 in)). The Okuma MA-650V shows specification advantages in 6 categories, though the Okuma MA-550V 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 vertical machining center.
Specifications Comparison
| Specification | Okuma MA-550V | Okuma MA-650V |
|---|---|---|
| X-Axis Travel | 1,300 mm (51.2 in) | 1,600 mm (63.0 in) ▲ |
| Y-Axis Travel | 560 mm (22.0 in) | 660 mm (26.0 in) ▲ |
| Z-Axis Travel | 560 mm (22.0 in) | 660 mm (26.0 in) ▲ |
| Max Spindle Speed | 6,000 RPM (standard); 12,000 / 25,000 RPM optional | 6,000 RPM (standard); 12,000 RPM optional |
| Spindle Power | 15/11 kW (20/15 hp) standard; 22/15 kW (30/20 hp) optional | 15/11 kW (20/15 hp) standard; 22/15 kW (30/20 hp) optional |
| Tool Capacity | 32 (standard); 48 or 60 optional | 32 (standard); 48 or 60 optional |
| Rapid Traverse | 40 m/min (X/Y); 32 m/min (Z) | 40 m/min (X/Y); 32 m/min (Z) |
| Table Size | 1,300 x 560 mm (51.2 x 22.0 in) | 1,600 x 660 mm (63.0 x 26.0 in) ▲ |
| Accuracy | ±0.005 mm | ±0.005 mm |
| Repeatability | ±0.003 mm | ±0.003 mm |
| Control | OSP-P300A | OSP-P300A |
| Spindle Taper | No. 50 (BT 50) | No. 50 (BT 50) |
| Max Table Load | 800 kg (1,764 lb) | 1,200 kg (2,646 lb) ▲ |
| Machine Weight | 9,200 kg (20,282 lb) | 12,000 kg (26,455 lb) ▲ |
| Price Range | $140,000 - $185,000 ▲ | $175,000 - $235,000 |
Advantages
Okuma MA-550V
- More competitive pricing at $140,000 - $185,000 compared to $175,000 - $235,000
- Backed by Okuma's dealer and service network for parts and support
- Automotive production shops machining cast iron and steel components at volume
Okuma MA-650V
- Greater x travel of 1,600 mm (63.0 in) accommodates larger workpieces
- Greater y travel of 660 mm (26.0 in) accommodates larger workpieces
- Greater z travel of 660 mm (26.0 in) accommodates larger workpieces
- Superior table size at 1,600 x 660 mm (63.0 x 26.0 in) vs 1,300 x 560 mm (51.2 x 22.0 in)
- Superior max table load at 1,200 kg (2,646 lb) vs 800 kg (1,764 lb)
Verdict
The Okuma MA-650V edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the Okuma MA-550V 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.