Machine Comparison
Citizen Miyano BNA-42CY vs Citizen Miyano BNA-42DHY
Citizen Machinery vs Citizen Machinery · Mill-Turn Machines
Summary
The Citizen Miyano BNA-42CY and the Citizen Miyano BNA-42DHY are compact Citizen mill-turn machines with the same 60 - 6,000 rpm spindle speed range. The BNA-42CY works bar from one side and also takes chucked parts, with a Y axis for off-center features; the BNA-42DHY finishes small bar parts on both ends.
The BNA-42CY takes longer parts, 200 mm against 100 mm (3.94 in), and has the higher spindle rating, 11/7.5/5.5 kW against 7.5/5.5 kW (10/7.5 hp), with its top figure a short-duty rating. The two weigh almost the same, 3,220 kg against 3,100 kg.
Specifications Comparison
| Specification | Citizen Miyano BNA-42CY | Citizen Miyano BNA-42DHY |
|---|---|---|
| Max Turning Length | 200 mm ▲ | 100 mm (3.94 in) |
| Max Spindle Speed | 60 - 6,000 rpm | 60 - 6,000 RPM |
| Spindle Power | 11/7.5/5.5 kW(15％/15min/cont.) ▲ | 7.5/5.5 kW (10/7.5 hp) |
| Machine Weight | 3,220 kg | 3,100kg |
Advantages
Citizen Miyano BNA-42CY
- 200 mm turning length against 100 mm (3.94 in)
- 11/7.5/5.5 kW spindle rating against 7.5/5.5 kW (10/7.5 hp)
- Takes chucked parts in hollow chucks as well as bar work
Citizen Miyano BNA-42DHY
- Finishes small bar parts on both ends
- Suited to turning-heavy parts with a few milled or cross-drilled features
Verdict
Choose the Citizen Miyano BNA-42CY for longer parts up to 200 mm, chucked work, and jobs machined from one side with Y-axis features, where its higher spindle rating helps. Choose the Citizen Miyano BNA-42DHY for short parts within 100 mm that need finishing on both ends, with mostly turning and a few milled or cross-drilled features. Speed range and weight are close enough that neither decides it.