Machine Comparison
Citizen Miyano BNA-42SY vs Citizen Miyano BNC-42
Citizen Machinery vs Citizen Machinery · Mill-Turn Machines
Summary
The Citizen Miyano BNA-42SY and Citizen Miyano BNC-42 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. 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 mill-turn machine.
Specifications Comparison
| Specification | Citizen Miyano BNA-42SY | Citizen Miyano BNC-42 |
|---|---|---|
| Control | Mitsubishi CNC | Mitsubishi M80 (Citizen Miyano) |
| Main Spindle Speed | 60 - 6,000 RPM | 6,000 RPM ▲ |
| Machine Weight | 3,880 kg (8,554 lb) ▲ | 2,200 kg (4,850 lb) |
| Price Range | $150,000 - $220,000 | $80,000 - $120,000 ▲ |
Advantages
Citizen Miyano BNA-42SY
- Superior machine weight at 3,880 kg (8,554 lb) vs 2,200 kg (4,850 lb)
- Backed by Citizen Machinery's dealer and service network for parts and support
- Medical device manufacturers producing complete small components like bone screws, dental abutments, and instrument fittings from bar stock in one cycle
Citizen Miyano BNC-42
- Superior main spindle speed at 6,000 RPM vs 60 - 6,000 RPM
- More competitive pricing at $80,000 - $120,000 compared to $150,000 - $220,000
- Backed by Citizen Machinery's dealer and service network for parts and support
- Automotive shops producing precision sensor housings, fuel injector bodies, and small hydraulic fittings in medium-to-high volumes
Verdict
This is a close matchup. The Citizen Miyano BNA-42SY and Citizen Miyano BNC-42 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.