The Citizen Miyano BNA-42SY is an industrial-grade Multi-Tasking & Mill-Turn Machines powered by the Standard CNC. a top spindle speed of 0 RPM, and a 3-axis kinematic layout. It supports standardized digital factory monitoring via MTConnect.
Miyano BNA-42SY: dual-spindle, single-turret lathe for 42/34 mm dia. bar, 12 rotary tools, 70 (±35) mm Y stroke, 360 mm back spindle slide, 3,880 kg.
| Standardized Parameters & Ratings | |
|---|---|
| Manufacturer (Brand) | Citizen (Japan) |
| Machine Type | Multi-Tasking & Mill-Turn Machines |
| CNC Controller System | Standard CNC |
| Number of Controlled Axes | 3-Axis Simultaneous / Positioning |
| Spindle Taper Interface | Standard |
| Approx. Machine Weight | 3,880 kg |
| Industrial IoT Protocol | MTConnect ANSI/MTC1.4 Compliant (Ethernet/TCP) |
| Max Machining Length | 100 mm |
| Standard Machining Diameter Chuck Diameter Sp1 | 42 mm dia. |
| Standard Machining Diameter Chuck Diameter Sp2 | 34 mm dia. |
| Turret Slide Travel Distance X Axis | 140 mm |
| Turret Slide Travel Distance Z Axis | 285 mm |
| Turret Slide Travel Distance Y Axis | 70 (±35) mm |
| Back Spindle Slide Travel Distance B Z2 Axis | 360 mm |
| Number Of Spindles | 2 |
| Spindle Speed Sp1 | 60 - 6,000 rpm |
| Spindle Speed Sp2 | 50 - 5,000 rpm |
| Collet Chuck Size Sp1 | 5" |
| Collet Chuck Size Sp2 | 4" |
| Number Of Tool Posts | 1 |
| Type Of Tool Post | 12 ST. |
| Dimensions Of Tools Used | 20 mm Sq. |
| Dimensions Of Tool Post Holes | 25 mm dia. |
| Number Of Installed Rotary Tools | max. 12 |
| Rotating Speed Of Rotary Tools | 50 - 5,000 rpm |
| Rapid Feed Rate X Axis | 20 m/min |
| Rapid Feed Rate Z Axis | 20 m/min |
| Rapid Feed Rate Y Axis | 12 m/min |
| Rapid Feed Rate B Z2 Axis | 20 m/min |
| Spindle Motor Sp1 | 11/7.5/5.5 kW(15%/15min/cont.) |
| Spindle Motor Sp2 | 5.5/3.7 kW(15min/cont.) |
| Rotary Tools Motor | 2.8/1.0 kW |
| Power Requirement | 26 kVA |
| Machine Height | 1,745 mm |
| Required Floor Surface Area | W2,350 × D1,433 mm |
| Machine Weight | 3,880 kg |
Our best estimate for the Citizen Miyano BNA-42SY is $150,000 - $220,000. This is an estimate for a mill-turn / multi-tasking machines in this class, not a quote from Citizen Machinery; configuration, tooling, automation and installation move the final price substantially. A specific price can be requested at https://machinetoolindex.com/machines/citizen-miyano-bna42sy#price; the request is passed to Citizen Machinery or an authorised dealer.
Citizen describes it as a dual-spindle machine with a single turret tool post. The 12-station turret serves both the 42 mm dia. first spindle and the 34 mm dia. second spindle, and holds up to 12 rotary tools.
The Miyano BNA-42CY has a 60 - 6,000 rpm spindle and weighs 3,220 kg. The BNA-42SY adds a second spindle running 50 - 5,000 rpm on a slide with 360 mm of B (Z2) travel, and weighs 3,880 kg.
The first spindle motor is rated 11/7.5/5.5 kW (15%/15min/cont.), with 5.5 kW as the continuous rating. The second spindle is rated 5.5/3.7 kW (15min/cont.).
A 26 kVA supply, a floor area of W2,350 × D1,433 mm and 1,745 mm of height for a machine of 3,880 kg. Leave room beyond that for bar loading and chip removal.
