Milling
Versatile CNC milling machines and CNC machining centers from FANUC offer the highest surface quality and flexibility. Watch our solutions in action.
This is a legacy product that is no longer in production.
30i/31i/32i-MODEL B Series
31i-B
Controlled Axes / Path
34/16
Feed Axes / Path
26/12
Spindle Axes / Path
8/4
Max Controlled Paths
6
The FANUC 31i‑B CNC is engineered for high-performance machining across milling, turning, grinding, and punching applications. With support for extensive multi-axis and multipath configurations, it offers the flexibility needed for complex parts and advanced manufacturing processes.
Equipped with 5-axis functions like Tool Center Point Control and Tilted Working Plane, along with AI Contour Control and nano-level precision, the 31i‑B ensures exceptional accuracy and surface quality. Integrated safety and tool management features further enhance productivity and reliability in demanding production environments.
Specifications
Technical Details
Essential technical details and valuable information about our products to help you make the right decisions and get the most out of your FANUC products.
- Controlled Axes per Path
- 34/16
- Max Feed Axes Total per Path
- 26/12
- Max Spindle Axes Total per Path
- 8/4
- Max Axes per Path
- 4
- Max Controlled Paths
- 6
- LCD Version
- Stand Alone Version
- LCD Panel
- LCD Panel for iHMI
- PC Front End
- PC Front End iHMI
- Touch Systems
- Handheld Control Unit
- Machine Operators Panel
- Max I/O
- 4096
- Max I/O Link
- 3
- Max PMC Channels
- 5
- Max Steps
- 300000
- Block Function
- Yes
- 3D Interference Check
- Dual Check Safety
- Smart Machine Control
- Program Restart
- Quick Program Restart
- Nano Interpolation
- Nano Smoothing
- Fine Surface Technology
- AI Contour Control
- Macro Executor
- C Executor
- FANUC Picture
- FOCAS
- Tool Functions
- Tool Management System
- Tilted Working Plane
- Tool Center Point Control
- Error Compensation
- Volumetric Error Compensation
Downloads
Download for More Information
Access essential technical specifications and valuable information about our products through our downloadable documents, supporting your decision-making process and maximizing your use of FANUC products.
Explore the Full Lineup
The 30i/31i/32i-MODEL B Series
30i/31i/32i‑MODEL B CNCs deliver multi-axis, high-speed precision machining, with Plus versions adding advanced hardware and superior surface quality.
Applications
The Perfect Fit for Your Application
Turning
CNC turning solutions from FANUC America will cut costs by increasing productivity. Learn all about high speed CNC turning with feature rich CNC.
Grinding
CNC grinding uses highly controlled abrasive motion to remove microscopic material, achieving ultra-tight tolerances, smooth finishes, and precise geometries with exceptional repeatability.
Punching
CNC punch presses use precise, high-speed control to efficiently create holes, shapes, and forms in sheet metal with exceptional accuracy and repeatability.
