Citizen Cincom B12E-VI
Key Specifications
max bar capacity
max machining diameter
max machining length
main spindle speed
main spindle power
back spindle speed
Overview
The Citizen Cincom B12E-VI is the most capable machine in the B12E family, a fully-equipped dual-spindle Swiss-type automatic lathe with 12mm bar capacity, 16 tool positions, and 4,500 RPM rotary tools. The VI designation represents the top-tier configuration that maximizes part complexity while maintaining the compact footprint that defines the B-series.
The main spindle reaches 12,000 RPM with 1.5/2.2 kW, while the back spindle operates at 7,000 RPM. With 16 tool positions including 5 turning tools, 3 live cross tools, 4 front drilling tools, and 4 back drilling tools, the B12E-VI handles complex multi-feature parts. The full servo drive system has no belts or hydraulics.
The back spindle at 7,000 RPM with synchronous rotation supports advanced pick-off and simultaneous machining. At 1,150 kg and 5.2 kVA rated power (4 kVA average), the B12E-VI delivers maximum capability on the B12E platform.
Note that the B12E-VI is a special order machine through Marubeni Citizen-Cincom in North America, targeting shops that need maximum 12mm compact Swiss capability for complex parts with cross-holes, flats, polygons, and complete backworking.
Full Specifications
| Parameter | Value |
|---|---|
| Max Bar Capacity | 12 mm (0.472 in) |
| Max Machining Diameter | .47" (12 mm) |
| Max Machining Length | 5.31" (135 mm) |
| Main Spindle Speed | 100 - 12,000 rpm |
| Main Spindle Power | 1.5 / 2.2 kW (2 / 3 HP) |
| Back Spindle Speed | 7,000 RPM |
| Back Spindle Motor | 0.5 kW |
| Back Spindle Chuck | 12 mm (0.472 in) |
| Rotary Tool Speed | 4,500 RPM |
| Number Of Tools | 16 |
| Turning Tools | 5 |
| Live Cross Tools | 3 |
| Front Drilling Tools | 4 |
| Back Drilling Tools | 4 |
| Drive System | Full servo (no belts or hydraulics) |
| Guide Bushing | Yes (Removable Guide Bushing option) |
| Power Consumption | 5.2 kVA rated / 4 kVA average |
| Machine Weight | 1,150 kg (2,535 lbs) |
| CNC Control | Mitsubishi Meldas (Citizen software) |
| Item | B12EVI |
| Main Spindle Motor | 1.5 / 2.2 kW |
| Cnc Control | Full Servo (Electronic) |
| Drive Type | Quiet Integral Drive Spindle |
Specifications sourced from marucit.com — verified 2026-03-28
Strengths & Limitations
Strengths
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Limitations
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Best For
Frequently Asked Questions
01
New B12E-VI runs $100,000-$170,000, the top-tier B12E with maximum tooling.
02
Maximum B12E configuration serves narrower market; Citizen builds to order.
03
L12 is fundamentally more capable with higher axes, LFV, and larger tool complements. B12E-VI is maximum compact B-series at lower price.
04
PartMaker, ESPRIT, SolidCAM all support B12E programming with Mitsubishi Meldas control.
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