Roku-Roku Android II CNC Milling Machine
Reviewed by Steve Brown, EDM and Precision Machining Specialistat Iron Machine Tool | Ask Steve a Question
Roku-Roku Android II CNC Milling Machine
Contactless Magnetic Linear Drive Technology for Micron-Level Tolerances
The Roku-Roku Android II is a precision CNC milling machine engineered for tool, die, and mold makers who require sub-micron accuracy on hard steel without the extra step of EDM. Its contactless magnetic linear drive system eliminates mechanical backlash entirely, producing positioning accuracy of plus or minus 0.000039 inches across the full stroke. With a 60,000 RPM integral motor spindle, Fanuc 31i-B5 control, and a heat-symmetric cast iron frame, the Android II delivers consistent results across high-speed 3D contouring, graphite electrode production, and precision mold cavity finishing.
Iron Machine Tool distributes the Roku-Roku Android II to manufacturers in Minnesota, Wisconsin, Iowa, and Illinois. Contact Steve Brown to discuss specifications, lead times, and application fit for your shop.
Specification
| Specification | Android II |
| Machine Travels (X x Y x Z) | 17.7" x 13.8" x 7.9" (450 x 350 x 200 mm) |
| Table Work Area (X x Y) | 21.6" x 13.8" (550 x 350 mm) |
| Spindle Speed | 3,000 to 60,000 RPM |
| Spindle HP | 5.0 HP |
| Spindle Lubrication | Oil Mist |
| Spindle Taper | 1/10 Taper (Two-Plane Constraint) |
| Tool Holder | HSK-E25 |
| Automatic Tool Changer (ATC) | 20 Position Standard (Optional: 40, 60, 100) |
| Positioning Accuracy / Repeatability | +/- 0.000039" / +/- 0.0000079" Full Stroke |
| Table to Spindle Nose Distance | 3.15" to 11.02" (80 to 280 mm) |
| Max Workpiece Weight | 220 lbs (100 kg) |
| Table Height from Floor | 29.5" (750 mm) |
| Hole Positioning Accuracy | +/- 0.00006" (1.5 microns) |
| Linear Scales (X, Y, Z) | Heidenhain 0.002 micron (2 nm) Standard |
| Rapid Traverse Speed | 590 in/min (15 m/min) |
| Cutting Speed (Normal Mode) | 0.04 to 394 in/min |
| Cutting Speed (Super PC Mode) | 590 in/min (15 m/min) |
| Coolant Tank Capacity | 52.8 gallons (200 L) |
| Machine Weight | 12,787 lbs (5,800 kg) |
| Machine Height | 94.9" (2,410 mm) |
| Required Floor Space | 83.0" x 113.4" (2,110 x 2,880 mm) |
| CNC Control | Fanuc 31i-B5 — Super High-Speed Processor, AI Contour Control II, Super PC X Function |
| Power Requirements | 200 to 220V / 19.0 kVA |
| Air Supply | 9 cu.ft./min at 72 PSI |
What the Android II Is Built For
High-Speed Hard Steel Machining
The Android II runs a 60,000 RPM integral motor spindle with HSK-E25 tooling to machine hardened steels at speeds and feed rates that rotary ball-screw machines cannot sustain. It is purpose-built to replace EDM pre-machining steps on complex die and mold geometries, compressing lead times without sacrificing dimensional accuracy.
Contactless Magnetic Linear Drive
All three axes run on contactless magnetic linear motors with Heidenhain linear scales at 0.002 micron resolution. There are no ball screws, no wear surfaces, and no mechanical play. The two horizontally opposed flat linear motors cancel attraction forces against the side-ways, maintaining geometric accuracy over the life of the machine.
Thermal Control by Design
The heat-symmetric cast iron base and dual-layer forced-oil cooling system keep thermal displacement in check during extended production runs. A dedicated spindle chiller and centralized exhaust system prevent heat from collecting at the spindle head. The result is consistent dimensional output across a full shift.
Fanuc 31i-B5 with 10 Machining Modes
The Fanuc 31i-B5 controller ships with Super PC X function, giving operators access to ten preprogrammed machining modes. AI Contour Control II and nano smoothing handle complex 3D surface paths at high traverse rates, making the machine accessible across skill levels without compromising output quality
Ready to Evaluate the Android II for Your Shop?
Contact Steve Brown at Iron Machine Tool for specifications,ATC configuration options, and availability across Minnesota, Wisconsin,Iowa, and Illinois.
Industries That Run the Android II
The Roku-Roku Android II is used across precision manufacturing environments where tolerances below 0.0001" are the baseline requirement, not the exception.
Tool, Die, and Mold Making
Cavity finishing, core machining, and insert production in hardened P20, H13, and D2 steels.
Aerospace and Defense
Structural components, jigs, and fixtures requiring sub-micron positional accuracy.
Medical Device Manufacturing
TImplant tooling, surgical instrument dies, and small-run production of complex geometries.
Graphite Electrode Production
High-feed graphite machining for EDM electrode blanks, integrating directly with downstream sinker EDM operations.
Precision Job Shops
High-mix, low-volume work requiring fast changeover and repeatable setups across material types.
Why Source the Android II Through Iron Machine Tool
Iron Machine Tool distributes Roku-Roku precision CNC milling machines to manufacturers across Minnesota, Wisconsin, Iowa, and Illinois. Steve Brown brings direct application experience across tool rooms, mold shops, and precision job shops, and provides pre-sales consultation to match the right machine configuration to your production requirements.
What you get when you work with Iron Machine Tool:
- Pre-sales technical consultation with Steve Brown on machine configuration, ATC size, and application fit
- Access to Roku-Roku factory support and documentation
- Regional presence across the Upper Midwest for faster response times
- No-pressure quoting process built around your production schedule and budget
Frequently Asked Questions :
A: The Roku-Roku Android II is a precision high-speed CNC milling machine built on contactless magnetic linear drive technology. It is used in tool, die, and mold making to machine hardened steels at high spindle speeds with micron-level tolerances, often eliminating EDM pre-machining steps.
A: The Android II is equipped with a 60,000 RPM integral motor spindle with HSK-E25 tooling. Spindle speed ranges from 3,000 to 60,000 RPM depending on the application and material.
A: Machine travels are 17.7 inches (X) by 13.8 inches (Y) by 7.9 inches (Z). The table work area measures 21.6 inches by 13.8 inches.
A: The standard configuration includes a 20-position automatic tool changer. Optional ATC configurations of 40, 60, or 100 positions are available. Contact Iron Machine Tool to confirm availability and lead times.
A: The Android II runs on the Fanuc 31i-B5 with Super High-Speed Processor, AI Contour Control II, nano smoothing, and Super PC X function with ten preprogrammed machining modes.
A: The Android II achieves positioning accuracy of plus or minus 0.000039 inches and repeatability of plus or minus 0.0000079 inches across the full stroke, using Heidenhain linear scales at 0.002 micron (2 nm) resolution.
A: Iron Machine Tool distributes Roku-Roku precision CNC milling machines in Minnesota, Wisconsin, Iowa, and Illinois. Contact Steve Brown directly to request specifications and pricing.
Ready to Talk to Someone Who Actually Knows This Machine?
Iron Machine Tool's sole focus is quality machine tools backed by real customer service not a call center. Contact us to discuss the Android II for your shop, get a quote, or schedule a demo. We build relationships on trust and accountability, not sales pressure.