Machine Comparison
Haas DS-20Y vs Okuma MULTUS B200II
Haas Automation vs Okuma · Mill-Turn Machines
Summary
The Haas DS-20Y and Okuma MULTUS B200II are both mill-turn machines, but in different size classes and built differently. The DS-20Y is a dual-spindle Y-axis turning center with a 12-station turret. The Okuma MULTUS B200II uses a B-axis milling head with 20 tools and lists a 600 mm (23.62 in) turning diameter against 11.75 in (298 mm).
The Okuma spins its spindle to 6,000 min⁻¹ against 4,000 rpm and rapids at 40/26 m/min (1,575/1,024 ipm) against 472 ipm (12 m/min). The DS-20Y has the stronger main spindle, 20 hp (14.9 kW) against PREX 11/7.5 kW (15/10 hp), and a second spindle for back working.
Specifications Comparison
| Specification | Haas DS-20Y | Okuma MULTUS B200II |
|---|---|---|
| Max Turning Diameter | 11.75 in (298 mm) | 600 mm (23.62 in) ▲ |
| Max Spindle Speed | 4,000 rpm | 50~6,000 min⁻¹ [45~5,000 min⁻¹ optional] ▲ |
| Spindle Power | 20 hp (14.9 kW) ▲ | PREX 11/7.5 kW (15/10 hp), 20 min/cont |
| Spindle Taper / Nose | A2-6 | Ø140 flat [JIS A2-6] |
| Tool Capacity | 12 | 20 tools ▲ |
| Rapid Traverse | 472 ipm (12 m/min) | 40/26 m/min (1,575/1,024 ipm), X,Z/Y ▲ |
Advantages
Haas DS-20Y
- 20 hp (14.9 kW) spindle against 11/7.5 kW (15/10 hp)
- Second spindle for front and back machining in one cycle
- Set up for bar-fed production with a 12-station turret and A2-5 nose
Okuma MULTUS B200II
- 600 mm (23.62 in) turning diameter against 11.75 in (298 mm)
- 6,000 min⁻¹ spindle against 4,000 rpm
- 20 tools against 12 stations, on a B-axis head
- 40/26 m/min (1,575/1,024 ipm) rapids against 472 ipm (12 m/min)
Verdict
These machines serve different jobs. The Haas DS-20Y is for bar-fed production of fittings, connectors and valve bodies that need both ends machined in one cycle with 20 hp at the spindle. The Okuma MULTUS B200II is for small, complex medical and instrument parts that need off-center holes, flats and pockets from a B-axis head, with 20 tools and faster rapids.