Machine Comparison
Citizen Miyano BNA-42DHY vs Citizen Miyano BNA-42GTY
Citizen Machinery vs Citizen Machinery · Mill-Turn Machines
Summary
The Citizen Miyano BNA-42DHY and Citizen Miyano BNA-42GTY are both from Citizen Machinery's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Citizen Machinery ecosystem. The Citizen Miyano BNA-42GTY shows specification advantages in 5 categories, though the Citizen Miyano BNA-42DHY 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 mill-turn machine.
Specifications Comparison
| Specification | Citizen Miyano BNA-42DHY | Citizen Miyano BNA-42GTY |
|---|---|---|
| Control | Mitsubishi CNC | Mitsubishi CNC |
| Max Bar Capacity Sp1 | 42 mm (1.65 in) | 42 mm (1.65 in) |
| Max Bar Capacity Sp2 | 34 mm (1.34 in) | 42 mm (1.65 in) ▲ |
| Main Spindle Speed | 60 - 6,000 RPM | 6,000 RPM ▲ |
| Main Spindle Power | 7.5/5.5 kW (10/7.5 hp) | 11/7.5 kW (15/10 hp) ▲ |
| Sub Spindle Speed | 50 - 5,000 RPM | 5,000 RPM ▲ |
| Sub Spindle Power | 5.5/3.7 kW (7.5/5 hp) | 5.5/3.7 kW (7.5/5 hp) |
| Travel Z1 | 235 mm (9.25 in) ▲ | 110 mm (4.33 in) |
| Machine Weight | 3,100 kg (6,834 lb) | 3,740 kg (8,245 lb) ▲ |
| Price Range | $200,000 - $300,000 ▲ | $250,000 - $380,000 |
Advantages
Citizen Miyano BNA-42DHY
- Superior travel z1 at 235 mm (9.25 in) vs 110 mm (4.33 in)
- More competitive pricing at $200,000 - $300,000 compared to $250,000 - $380,000
- Backed by Citizen Machinery's dealer and service network for parts and support
- High-volume medical device production where cycle time reduction through simultaneous machining directly impacts part cost on implants and surgical instruments
Citizen Miyano BNA-42GTY
- Superior max bar capacity sp2 at 42 mm (1.65 in) vs 34 mm (1.34 in)
- Superior main spindle speed at 6,000 RPM vs 60 - 6,000 RPM
- Superior main spindle power at 11/7.5 kW (15/10 hp) vs 7.5/5.5 kW (10/7.5 hp)
- Superior sub spindle speed at 5,000 RPM vs 50 - 5,000 RPM
- Superior machine weight at 3,740 kg (8,245 lb) vs 3,100 kg (6,834 lb)
Verdict
The Citizen Miyano BNA-42GTY edges ahead on specifications in this comparison, particularly in max bar capacity sp2 and main spindle speed. However, the Citizen Miyano BNA-42DHY 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.