Machine Comparison
Haas DS-30Y vs Haas ST-15Y
Haas Automation vs Haas Automation · Mill-Turn Machines
Summary
The Haas DS-30Y and Haas ST-15Y are both from Haas Automation's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Haas Automation ecosystem. On paper, the Haas DS-30Y edges ahead with advantages in 8 of the compared specifications, though real-world performance depends heavily on your specific applications and workholding. Both machines are proven performers in production environments and represent solid investments for shops in the market for a mill-turn machine.
Specifications Comparison
| Specification | Haas DS-30Y | Haas ST-15Y |
|---|---|---|
| Tool Capacity | 12-station BMT-65 turret | 12 stations |
| Bar Capacity | 76 mm (3.0 in) ▲ | 64 mm (2.5 in) |
| Control | Haas Next Generation Control (NGC) | Haas Next Generation Control (NGC) |
| Max Cutting Diameter | 349 mm (13.75 in) ▲ | 279 mm (11 in) with BMT45 turret |
| Max Cutting Length | 826 mm (32.5 in) ▲ | 406 mm (16 in) |
| Sub Spindle Nose | A2-5 | A2-5 (optional) |
| Spindle Bore | 89 mm (3.5 in) | 88.9 mm (3.5 in) |
| X Axis Travel | 318 mm (12.5 in) ▲ | 200 mm (7.88 in) |
| Y Axis Travel | 102 mm (4.0 in) total / ±50.8 mm (±2.0 in) ▲ | +/- 51 mm (2.0 in) |
| Z Axis Travel | 826 mm (32.5 in) ▲ | 406 mm (16 in) |
| Rapid Traverse Z | 24.0 m/min (945 IPM) | 30.5 m/min (1,200 ipm) ▲ |
| Live Tooling Speed | 6,000 RPM ▲ | 4,000 RPM |
| C Axis Positioning | ±0.01° (both spindles) | +/- 0.01 degrees |
| Coolant Capacity | 208 L (55 gal) ▲ | 114 L (30 gal) |
| Price Range | $150,000 - $185,000 | $108,995 - $165,000 ▲ |
Advantages
Haas DS-30Y
- Superior bar capacity at 76 mm (3.0 in) vs 64 mm (2.5 in)
- Superior max cutting diameter at 349 mm (13.75 in) vs 279 mm (11 in) with BMT45 turret
- Superior max cutting length at 826 mm (32.5 in) vs 406 mm (16 in)
- Superior x axis travel at 318 mm (12.5 in) vs 200 mm (7.88 in)
- Superior y axis travel at 102 mm (4.0 in) total / ±50.8 mm (±2.0 in) vs +/- 51 mm (2.0 in)
Haas ST-15Y
- Superior rapid traverse z at 30.5 m/min (1,200 ipm) vs 24.0 m/min (945 IPM)
- More competitive pricing at $108,995 - $165,000 compared to $150,000 - $185,000
- Backed by Haas Automation's dealer and service network for parts and support
- Medical device manufacturers producing bone screws, implant components, surgical instruments, and precision fittings in a single setup
Verdict
The Haas DS-30Y holds a spec advantage in this comparison, but the right choice depends on your shop's priorities. If the Haas DS-30Y's strengths in areas like Bar Capacity and max cutting diameter align with your work, it's the clear pick. The Haas ST-15Y may still win on dealer proximity, existing tooling compatibility, or specific features that matter most to your applications. Request quotes from both dealers and, if possible, run your actual parts on each machine before deciding.