The Android II’s heat symmetric basic frame structure with a high-grade cast iron base ensures twist rigidity against spindle head motion. Its structure guarantees a reduction in thermal displacement, leading to a balance of high-rigidity and a reduced weight as a response. The two horizontally opposed flat linear motors equipped with powerful magnets ensure clearance in the sideways, canceling out any attraction forces.

The system’s dual-layer cooling system combines direct forced oil cooling with a wide-range jacket to separate the spindle head from the casting. Leading to complete heat isolation, the double cooling system positioned between the heat generating coils is matched by an in-line oil chiller unit to ensure complete control of the coolant temperature. Hot air will never collect at the spindle thanks to the Android II’s centralized exhaust and outside airflow system.

High-quality builder Roku-Roku incorporated cutting-edge technology into its Android II system, ultimately designing a well-built machine to ensure precise application and optimized velocity performance. The specialty machine tool builder implemented it's Super PC X + that can be set to one of 10 different modes to meet any machining requirements into the Android II. That level of customization, plus features including Fanuc’s Digital Intelligent Servo System with five-place decimal input and feedback, contribute to the Android’s unsurpassed speed and accuracy despite even the most complex contours. 


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  • Specifications
  • Overview/Features
  • Floorplan / Layout
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Machine Travels: X x Y x Z in (mm) 17.7 x 13.8 x 7.9 (450 x 350 x 200)
Spindle Speed 3,000 ~ 60,000 RPM
Table Size X- Y: in (mm) 21.6 X 13.8 (550 X 350)
Spindle HP 5.0
Spindle Lubrication Oil Mist
Spindle Taper 1/10 taper (Two-plane constraint)
Tool Shank HSK-E25
Tool Changer Size 20 Position Standard (Optional: 40, 60, 100)
Positioning Accuracy/Repeatability: in (μm) ±0.000039/±0.0000079 (±1.0/±0.2) Full Stroke
Table to Spindle Nose Distance: in (mm) 3.15 ~ 11.02 (80 ~ 280)
Max. Workpiece Weight: lb (kg) 220 (100)
Table Height from Floor: in (mm) 29.5 (750)
745 Hole Positioning Accuracy: in (μm) ±0.00006 (±1.5)
Spindle Air Purge Standard
Air Blast through Spindle NA
Oil Mist with Collector Optional
Linear Scales X, Y, Z - axes Heidenhain 0.002µm (2nm) Standard
Rapid Traverse Speed: in/min. (m/min.) 590 (15)
Cutting Speed (Normal Mode): in/min. (mm/min.) 0.04 - 394 (1 ~ 10,000)
Cutting Speed (GR Super PC Mode): in/min. (m/min.) 590 (15)
Dust Collection System NA
Coolant Tank Capacity: gal (L) 52.8 (200)
Machine Weight: lb (kg) 12,787 (5800)
Machine Height: in (mm) 94.9 (2410)
Required Floor Space [Mach. Unit]: in (mm) 83.0 x 113.4 (2110 x 2880)
Control Unit Fanuc 31i-B5 Super High-Speed Processor and Al Contour Control II and Super PC X Function
Power Requirements KVA 200 ~ 220V 19.0 kVA
Air Supply 9 cu.ft./min @ 72 psi


For years, tool, die and mold makers have relied on EDM to produce tools in hardened steels that were difficult or impossible to machine. As pressure builds to cut lead times and streamline processes, EDM adds an extra step to the metal cutting process to improve overall productivity.  So when machining directly into hardened steel, roughing and finishing molds and dies on a machining center in one set-up has become increasingly attractive in terms of efficiency.

High-speed machining technology has progressed rapidly over the last few years and is ready to take on this task using high RPM spindles, extremely accurate Linear Motor Servo Drive Systems, high-speed machine controllers and advanced cutting tool coatings.  Roku-Roku, a specialty machine tool builder known for making high quality and extremely accurate machines, researched and incorporated all of these technologies into the ANDROID II model.  The ANDROID II is a machining center designed from the ground up for extremely precise, hard steel machining at high spindle speeds and high traverse rates - “high velocity” machining. Here are some of the features that set the ANDROID II apart.

The Roku-Roku ANDROID II is an exceptionally well-built machine tool coupled with the Fanuc 31i-B5 CNC Controller. Roku’s Super PC X + optimizes velocity and acceleration/deceleration through the use of a super high-speed processor and AI Contour Control II, High Speed processing, Nano Smoothing and Look Ahead Block Expansion.  The combination of high-speed calculation and read ahead control minimizes geometric errors during high-speed contouring of continuous small motion commands.  Super PC X + can be set to one of 10 different modes to meet your machining requirements. The Roku-Roku ANDROID II also features Fanuc’s Digital Intelligent Servo System with five-place decimal input and feedback. This combination results in unsurpassed speed and accuracy, even in the most complex, three-dimensional contours consisting of short consecutive line segments or arcs.



  • X-, Y- and Z-Axes Linear Motor Drive System
  • Z-Axis Thermal Growth Compensation
  • Special Precision Roller Type Linear Motion Ways
  • Auto Lubrication
  • Full Enclosure
  • Special Way Covers Reduce Motion Resistance
  • 60,000-RPM Integral Motor Spindle
  • Spindle Chiller
  • Non-contact Tool Measurement (Blum laser) with air blow
  • 53-gallon (200L) Coolant Tank
  • 20-Position Automatic Tool Changer
  • X-, Y- and Z-Axes (2 NANO meter) Linear Scales
  • Tool Tightening Block
  • Automatic Power Shut Down Circuit
  • Work Washer Gun
  • Air Purge
  • 10.4-inch Color Monitor
  • Two-Stage Patrol Lamp (Yellow, Red)
  • Manual Handle Feed
  • One Machine Lamp (LED)
  • Tool Box
  • Maintenance Kit
  • Leveling Bolts and Pads
  • Super PC X + Function (10 Mode Operation)
  • AI Contour Control II, High-Speed processing, Nano smoothing and Look ahead block expansion
  • Editable Data Server with 2GB Program Storage (Flash Card type)
  • Ethernet with TCP/IP Protocol & RS232 Communications
  • 320 Meter Memory (128KB)
  • 160 Meters Memory (64KB)
  • Custom Macro B
  • Parts Count & Run Hour Display
  • Helical Interpolation
ANDROID II - Floorplan / Layout

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Ultra-Precision Micro Fine Machining