Miyano BNX-51MSY

Fixed Headstock Type CNC Automatic Lathe
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BNX-51MSY


Miyano BNX-51MSY

This two spindle, one turret machine featuring simultaneous control supports the machining of complex and precision parts.

  • Fixed headstock type CNC Automatic Lathe
  • 7-cutting axes (X1, Z1, Y1, X2, Z2, C1, C2)
  • Two spindles
  • One turret
  • One Y-axis slide
  • 25-Nm twelve revolving tool stations
  • 2" diameter bar capacity
  • 5.9" work length


Additional Details

The BNX-51MSY includes the new, more powerful Mitsubishi M70V control that comes standard with a multitude of user-friendly CNC attributes. Featuring superimposition control where machining is performed with the movement of the back spindle synchronized with that of the tool slide.

The 12-station turret, allowing revolving tools to be mounted at all stations, incorporates a Y-axis and supports the machining of complex shapes. Longer and larger workpieces can be handled thanks to the extended stroke of the X1 axis, increased capacity of the servomotor, extended stroke of the X2 axis and increased back spindle chuck size.

NC Standard Functions


  • Spindle C axis control (main-back)
  • Spindle synchronization function (main - back)
  • User macros
  • Canned cycle for drilling
  • Constant surface speed control
  • Polygon turning
  • Spindle synchronized tapping function (main-back)
  • Tool spindle synchronized tapping function
  • Sub-inch control
  • Milling interpolation
  • Helical interpolation
  • Multiple repetitive cycle for turning I/II
  • B code I/F
  • Tool diameter offset
  • Nose radius compensation
  • High speed program check
  • Optional block skip (1 set)
  • Superimposition of control axes
  • Torque skip function
  • Corner chamfering/Corner rounding
  • Arbitrary axis exchange function
  • Continuous thread cutting
  • Network I/O function

Other Functions


  • Variable lead thread cutting function
  • High speed synchronized tapping function
  • Simultaneous thread cutting in two axis control groups 1
  • Simultaneous thread cutting in two axis control groups 2
  • Tool life management I
  • External memory running
  • Program storage capacity 320m, 600m
  • Common variables (50 + 50 * Number of axis control groups)
  • Common variables (100 + 100 * Number of axis control groups)

Standard Accessories


  • SP1/SP2 Chucking Device H-S22
  • Splash guard interlock
  • Spindle Air Blow
  • Spindle Brake
  • SP2 Work Ejector & Inner High Pressure Coolant
  • Part Conveyor
  • Chip Conveyor
  • 3-Color Signal Tower
  • Total & Preset Counter (Custom Menu)
  • Cut-Off Confirmation (Electric Type)
  • Barfeeder Interface
  • Coolant Level Switch
  • Standard Tooling Package

Optional Accessories


  • 1000 psi High Pressure Coolant
  • Mist Collector
  • Parts Carrier
  • Cut-Off Confirmation (Cylinder Type)
  • 3-Jaws Chuck Systems

MACHINE SPECIFICATIONS


ITEM BNX-51MSY
Machining Capacity: Maximum machining length 150 mm
Machining Capacity: Diameter of standard cutting (Spindle No. 1) 51 mm Dia.
Machining Capacity: Diameter of standard cutting (Spindle No. 2) 51 mm Dia.
Chuck size: Spindle No. 1 6 inch
Chuck size: Spindle No. 1 5 inch
Spindle: Number of spindle 2
Spindle: Spindle speed range (Spindle No. 1) 5,000 min-1
Spindle: Spindle speed range (Spindle No. 2) 5,000 min-1
Spindle: Inner diameter of draw tube (Spindle No. 1) 52 mm Dia.
Spindle: Inner diameter of draw tube (Spindle No. 2) 43 mm Dia.
Spindle: Collet chuck (Spindle No. 1) H-S22, (DIN177E - option)
Spindle: Collet chuck (Spindle No. 2) H-S22, (DIN177E - option)
Spindle: Power chuck (Spindle No. 1) 6" thru-hole chuck
Spindle: Power chuck (Spindle No. 2) 5" thru-hole chuck
Turret: Number of turret 1
Turret: Type of turret (Turret No. 1) 12 station turret
Turret: Shank height of square turning tool 3/4" Sq.
Turret: Diameter of drill shank 1" Dia.
Revolving tools: Number of revolving tool (Turret No. 1) Max. 12
Revolving tools: Type of revolving tool (Turret No. 1) Single clutch
Revolving tools: Tool spindle speed range (Turret No. 1) 6,000 min-1
Revolving tools: Machining capacity Drill (Turret No. 1) Max. 13 mm Dia.
Revolving tools: Machining capacity Tap (Turret No. 1) Max. M12×1.75 (S45C-D)
Slide stroke: Turret slide stroke (X1 axis) 165 mm
Slide stroke: Turret slide stroke (Z1 axis) 300 mm
Slide stroke: Turret slide stroke (Y1 axis) 80 (±40) mm
Slide stroke: Spindle slide stroke (X2 axis) 86 mm
Slide stroke: Spindle slide stroke (Z2 axis) 553 mm
Feed rate: Rapid feed rate (X1) 20 m/ min
Feed rate: Rapid feed rate (Z1) 20 m/ min
Feed rate: Rapid feed rate (Y1) 12 m/ min
Feed rate: Rapid feed rate (X2) 20 m/ min
Feed rate: Rapid feed rate (Z2) 20 m/ min
Motors: Spindle drive (Spindle No. 1 Cs) 15/ 11 kw (15 min/ cont.)
Motors: Spindle drive (Spindle No. 2 Cs) 7.5/ 5.5 kw (15 min/ cont.)
Motors: Revolving tool drive (Turret No. 1) 4.0 kw
Motors: Slide 1.5 kw (Z1), 1.2 kw (X1, Y, X2, Z2)
Motors: Hydraulic oil motor 1.36 kw
Motors: Lubricating oil motor 0.004 kw
Motors: Coolant pump 0.25 kw×1, 0.18 kw×1
Motors: Turret index motor 1.0 kw
Power supply: Voltage AC 200/ 220±10% 50/ 60 Hz±1%
Power supply: Capacity 33 KVA
Power supply: Air supply 0.5 MPa
Power supply: Fuse 100 A
Tank capacity: Hydraulic oil tank capacity 2.6 gal
Tank capacity: Lubricating oil tank capacity 1 gal
Tank capacity: Coolant tank capacity 79 gal
Machine height 1,700 mm
Floor space 3,907 × 1,540 mm (w/chip conveyor)
Machine weight 11,240 lb

Exterior View


BNX-51MSY Floor Layout

BNX-51MSY Floor Layout