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, direct-drive rotary axes, high-speed machine controllers and advanced cutting tool coatings.  Roku-Roku, a specialty machine tool builder known for making high quality, extremely accurate machines, has researched and incorporated all of these technologies into the ANDROID II 5AXP-DD model.  The ANDROID II 5AXP-DD 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.

The Roku-Roku ANDROID II 5AXP-DD is an exceptionally well-built machine tool coupled with the Fanuc 31i-B5 CNC Controller. Roku’s Super PC III 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, minimize geometric errors during high-speed contouring of continuous small motion commands. Super PC III can be set to one of three different modes to meet your machining requirements. The Roku-Roku ANDROID II 5AXP-DD 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.

The Roku-Roku ANDROID II 5AXP-DD is designed around a Thermally Symmetrical Frame.  The Casting / Frame Maintains its machine posture against environmental change in temperature.  A Symmetric Frame is required for stable repeatability.  The Optimum Structure is implemented by Finite Element Analysis for casting parts.  Minimum displacement is implemented by structural CAD simulation analysis. The Rib Structure for cross rail with Micro Fine Machining Center Design.  It has a 3-Layered Hollow Structure is efficiently achieved with forced ventilation.

The ANDROID II 5AXP-DD uses a 60,000-RPM Spindle.  Without sufficient spindle RPM, it would be impossible to machine hardened steel efficiently. High RPM enables an operator to maintain chip load and depth of cut while increasing feed rate. The result is a larger volume of stock removal in less time than conventional machining methods. This method of machining also produces superior surface finishes resulting in less polishing time. It is a proven method of machining that increases productivity in all aspects of machining (i.e.: surface milling, side milling, drilling, etc.).

The Roku-Roku ANDROID II 5AXP-DD uses a pair of horizontally opposed linear drive motors mounted in each of the X, Y & Z-Axes.  This design offsets the magnetic force between the motors and minimizes the uneven load on the guides and moving parts a single linear motor creates.  Double cooling channels are incorporated to ensure that any coil generated heat does not affect machining accuracy.  Special precision roller type linear motion ways are used on all axes increasing the contact point by six times compared to ball type LM guides.  This increased contact area improves machine rigidity providing smooth motion for high precision accuracy.  Elongation of the carriage and expanding the supporting width of the casting has also improved the straightness of the cut.  An Active Heat Isolation System has been implemented on the ANDROID II 5AXP-DD providing full thermal control of the machine in accordance with room temperature.  The system provides coolant thermal control through double jacketing the spindle housing with a spindle oil cooler and cooling through the Z-axis casting.  Other heat sources such as the linear motor coils and control cabinet have been heat isolated and thermally controlled by chiller coolant or forced air circulation.

The ANDROID II 5AXP-DD has been integrated with a Tsudakoma Direct Drive 2-axis high precision table with a 5.9” (150mm) diameter faceplate turning the Android II into a full 5-axis simultaneous micro accuracy machining center.  The Fanuc control has the NC Option Package for 5-axis Machining for full 5-axis program operation.


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  • Specifications
  • Overview/Features
  • Floorplan / Layout
  • Request more information
Machine Travels: X x Y x Z in (mm) 17.7 x 13.8 x 7.9 (450 x 350 x 200)
Rotary Table Size dia: in (mm) 5.9 (150)
Max. Workpiece Dia:  in (mm) 7.87 (200)
Max Table Load: lb. (kg) 66 (30)
Tilting B-Axis Range: degrees -90 to +5
Rotary Table Height from Flood: in(mm) 40.16 (1020)
Max Rotation Speed Tilt Axis:   RPM 100
Max Rotation Speed Rotary Axis:   RPM 150
Indexing Accuracy Both Axes:    arc sec. ± 4
Spindle Speed 3,000 ~ 60,000 RPM
Spindle HP 5
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) 8.27 (210)
Machine 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 CollectorOptional
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) 14,109 (6,400)
Machine Height: in (mm) 94.9 (2410)
Required Floor Space [Mach. Unit]: in (mm) 81.5 x 108.5 (2070 x 2775)
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


  • 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
  • Tsudakoma Direct Drive (RRT-216AA) 2-Axis Rotary Table
  • 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 5AXP-DD (5-Axis) - Floorplan / Layout

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Ultra-Precision Micro Fine Machining5-Axis Machining