Citizen Miyano BNE-51S6
Key Specifications
Spindle Power
Max Turn Length
max bar capacity sp1
max bar capacity sp2
main spindle speed
main spindle power
Overview
The Citizen Miyano BNE-51S6 is a dual-spindle, twin-turret fixed-headstock CNC turning center with 51mm bar capacity. Steps up from 42mm for automotive drivetrain, hydraulic, and industrial manufacturing.
Main spindle: 5,000 RPM, 15/11 kW. Sub-spindle: 5,000 RPM, 5.5/3.7 kW, 42mm bar. Twin 12-station turrets with 24 live tools at 6,000 RPM.
Same 2,690 x 2,160mm footprint as 42mm variant at 7,800 kg. 90mm turning length.
Serves shops needing twin-turret productivity at 51mm without Y-axis complexity for on-center turning, drilling, tapping, and threading.
Handles transmission components, hydraulic valve bodies, and industrial fittings with simultaneous front and back machining.
Full Specifications
| Parameter | Value |
|---|---|
| Max Bar Capacity Sp1 | 51 mm (2.0 in) |
| Max Bar Capacity Sp2 | 42 mm (1.65 in) |
| Max Turning Length | 90 mm (3.54 in) |
| Main Spindle Speed | 5,000 RPM |
| Main Spindle Power | 15 / 11 kW (20 / 15 hp) |
| Sub Spindle Speed | 5,000 RPM |
| Sub Spindle Power | 5.5 / 3.7 kW (7.5 / 5 hp) |
| Number Of Turrets | 2 (HD1 + HD2) |
| Turret Stations | 12 + 12 (24 total) |
| Max Live Tools | 24 |
| Live Tool Speed | 6,000 RPM |
| Tool Shank Size | 20 mm square |
| Sub Spindle Travel Z3 | 450 mm (17.72 in) |
| Machine Weight | 7,800kg |
| CNC Control | Mitsubishi M80 (Citizen Miyano) |
| Floor Space | 2,690×2,160mm |
| Machine Height | 1,925mm |
| Items | BNE-42S6 |
| Power Chuck | SP1/SP2 |
| Maximum Machining Diameter Of Bar Work | SP1 |
| Sp2 | 5.5/3.7kW |
| Standard Turning Length | SP1 |
| Type Of Turret | HD1 |
| Hd2 | X2 axis |
| Slide Stroke | HD1 |
| Z1 Axis | 380mm |
| Z2 Axis | 175mm |
| R Spindle Travel | 450mm |
| Shank Height Of Square Turning Tool | 20mm Sq. |
| Tool Hole Diameter | 25mm Dia. |
| Maximum Number Of Revolving Tools | 12+12 |
| Main Spindle Speed Range | SP1 |
| Spindle Motor Power | SP1 |
| Sliding Headstock Type | A20 |
| Bar Work | BNC42 |
| Turning Machine | BNA42CY |
| High Precision Turning Machines | BNA42SY |
| Multi Station Machining Cell | MC20 III |
| Power Chuck Sp1 Sp2 | 6"/5" hydraulic drive |
| Maximum Machining Diameter Of Bar Work Sp1 | 51mm Dia. |
| Maximum Machining Diameter Of Bar Work Sp2 | 42mm Dia. |
| Standard Turning Length Sp1 | 90mm |
| Type Of Turret Hd1 | 12St.Turret |
| Type Of Turret Hd2 | 12St.Turret |
| Slide Stroke Hd1 | ±40mm |
| Slide Stroke Hd2 | 175mm |
| Main Spindle Speed Range Sp1 | 5,000min-1 |
| Main Spindle Speed Range Sp2 | 5,000min-1 |
| Spindle Motor Sp1 | 15/11kW |
| Spindle Motor Sp2 | 5.5/3.7kW |
| 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: $210,000 - $290,000.
02
SY variant adds +/-40mm Y.
03
IEMCA, LNS, FMB, Edge Technologies for 51mm bar.
04
Yes. 15/11 kW handles stainless, Inconel, titanium at 51mm.
Videos
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