Citizen Miyano BNE-51MYY
Key Specifications
Max Spindle
Spindle Power
Max Turn Length
max bar capacity
main spindle speed
main spindle power
Overview
The Citizen Miyano BNE-51MYY is a dual-spindle, twin-turret CNC turning center with dual Y-axis, enhanced milling, and 51mm bar capacity. MYY indicates enhanced milling (M) with Y-axis on both spindle sides (YY).
Main spindle: 5,000 RPM, 18.5/15 kW (25/20 hp). Sub-spindle: 5,000 RPM, 11/7.5 kW. Both turrets carry 12 stations with 24 live tools at 6,000 RPM. Dual Y-axis (Y1/Y2) enables off-center machining on both part ends.
Rapid traverse: 20/18/12 m/min. Max machining length: 195mm. At 8,080 kg, 2,860 x 2,190mm, 2,070mm height. 47 kVA.
The BNE-51MYY serves shops producing the most complex 51mm parts requiring off-center features on both ends. Medical implant, aerospace, and automotive precision manufacturers are primary users.
Full Specifications
| Parameter | Value |
|---|---|
| Max Bar Capacity | 51 mm (2.0 in) |
| Max Turning Length | 195 mm (7.68 in) |
| Main Spindle Speed | 5,000 RPM |
| Main Spindle Power | 18.5 / 15 kW (25 / 20 hp) |
| Sub Spindle Speed | 5,000 RPM |
| Sub Spindle Power | 11 / 7.5 kW (15 / 10 hp) |
| Number Of Turrets | 2 |
| Turret Stations | 12 + 12 (24 total) |
| Max Live Tools | 24 |
| Live Tool Speed | 6,000 RPM |
| Rapid Traverse X1 Z1 | 20 m/min |
| Rapid Traverse X2 Z2 | 18 m/min |
| Rapid Traverse Y1 Y2 | 12 m/min |
| Power Consumption | 47 kVA |
| Machine Weight | 8,130kg |
| Floor Space | 2,860 x 2,190 mm |
| Machine Height | 2,070 mm |
| CNC Control | Mitsubishi M80 |
| Model | BNE-51MYY |
| Max Machining Length | 195mm |
| Standard Machining Diameter | 65mm Dia. |
| Number Of Spindles | 2 |
| Max Spindle Speed | 5,000min-1 |
| Collet Chuck Type | Hardinge S22, DIN177E, HAINBUSH 51 |
| Power Chuck Type | 6" 3-claw chuck, 6" 2-claw chuck |
| Number Of Tool Posts | 2 |
| Type Of Tool Post | 12st.Turret |
| Dimensions Of Tools Used | 20mm Sq. |
| Dimensions Of Tool Post Holes | 25mm Dia. |
| Number Of Installed Rotary Tools | Max.24 |
| Rotating Speed Of Rotary Tools | 6,000min-1 |
| Feed Rate | X1,Z1,X3,Z3 axis |
| X2z2 Axis | 18m/min |
| Y1y2 Axis | 12m/min |
| Spindle Motor Power | SP1 |
| Sp2 | 11/7.5kW（15min/cont.） |
| Rotary Tools Motor | 4.0kW |
| Rated Power Consumption | 47kVA |
| Required Floor Surface Area | W2,860×D2,190mm |
| Sliding Headstock Type | A20 |
| Bar Work | BNC42 |
| Turning Machine | BNA42CY |
| High Precision Turning Machines | BNA42SY |
| Multi Station Machining Cell | MC20 III |
| Feed Rate X1 Z1 X3 Z3 Axis | 20m/min |
| Feed Rate X2 Z2 Axis | 18m/min |
| Feed Rate Y1 Y2 Axis | 12m/min |
| Spindle Motor Sp1 | 18.5/15kW（30min/cont.） |
| Spindle Motor Sp2 | 11/7.5kW（15min/cont.） |
| Inquiries | Feel free to get in touch with us by phone or online if you have any questions or need advice about any of our products or services. |
Specifications sourced from cmj.citizen.co.jp — verified 2026-03-28
Strengths & Limitations
Strengths
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Limitations
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Best For
Frequently Asked Questions
01
New: $300,000 - $400,000
02
M=milling, YY=dual Y-axis.
03
MYY: dual Y, 18.5 kW, 195mm. MSY: 3-tool cutting, single Y.
04
Different axis layout.
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