IMPORTANT INFORMATION

All FANUC entities have suspended their shipments to Russia and Belarus, and service and maintenance for our installed products are not provided within those countries.

Home /
CNC
/ Advanced CNC Models
/
31𝑖-B5 Plus
Image of FANUC CNC 31i-Model B5 Plus on a white background. High-end CNC for high machine performance. CNC with support for simultaneous 5-axis control.
Image of FANUC CNC 31i-Model B5 Plus on a white background. High-end CNC for high machine performance. CNC with support for simultaneous 5-axis control.
FANUC iPC, with widescreen LCD supports both portrait and landscape orientation. Hardware keyboard and control panel can be eliminated, reducing the number of parts. The display panel is with a precise capacitive touch screen, which provides excellent usability and allows smartphone-like intuitive operatio
FANUC iPC, with widescreen LCD supports both portrait and landscape orientation. Hardware keyboard and control panel can be eliminated, reducing the number of parts. The display panel is with a precise capacitive touch screen, which provides excellent usability and allows smartphone-like intuitive operation.

31𝑖-B5 Plus

Share
Our CNC 31𝑖-B5 Plus is specifically engineered for enhanced 5-axis operations, delivering superior precision and complex machining capabilities. This advanced control system significantly reduces cycle times, boosting productivity and efficiency in demanding applications. Its robust design and powerful features ensure optimal performance for high-speed, multi-axis machining tasks.
More information
Max. controlled axes total / per path
34/16
Max. spindle axes total / per path
8/4
Max. controlled paths
6
REQUEST A QUOTE
Highlights

Benefits for Your Business

Pictogram for Advanced machining (CNC) in black. SVG format.

5 Simultaneous Control Axes

This machine offers up to five axes of simultaneous control, enabling high-speed, precise, and high-quality machining of complex shapes, ideal for advanced 5-axis machining centers.
Pictogram for Precision positioning (ROBOMACHINES) in black. SVG format.

Improved Accurarcy

Experience next-level performance with our upgraded CNC system, now equipped with simultaneous 5-axis machining. This offers you the ultimate in manufacturing prowess and efficiency.
Pictogram for 6-axis retrofit kits (ROBOMACHINES) in black. SVG format.

Precision Mastery

Experience unparalleled control and precision with our state-of-the-art system, boasting a total of 34 control axes. With an impressive array of 26 feed axes complemented by eight robust spindles.
Icon for Path. SVG

Reliable Path Control

Experience unparalleled precision with our state-of-the-art CNC controller – masterfully orchestrating up to six independent paths with effortless synchronicity for complex machining tasks.
Pictogram for Service (Service) in black. SVG format.

Service First

To help you get the best out of your products, we provide predictive, preventive, and reactive maintenance solutions, offering thousands of parts on-demand throughout your product's lifecycle.
Read more

Enhance Efficiency and Innovation

Elevate your manufacturing prowess with the FANUC 31𝑖-B5 Plus, a cutting-edge CNC system designed to transform your production line into a hub of efficiency and innovation. Tailored for the discerning needs of the production, this advanced control unit is the key to unlocking unparalleled precision, speed, and reliability in your machining operations.

In addition to the features of the 31𝑖-B Plus, this model has a simultaneous 5-axis machining function and can machine work of complex shape at high-speed, highly-accurate and high-quality. It is suitable for the leading-edge 5-axis machining center.

FANUC 5-axis machining technology.

Why Choose the FANUC 31𝑖-B5 Plus Over the 31𝑖-B Plus?

While the FANUC 31𝑖-B Plus set a high standard in CNC technology, the 31𝑖-B5 Plus elevates it to a new level, specifically designed for simultaneous 5-axis machining. This isn’t just an upgrade; it redefines what CNC technology can achieve in your production line.

The 31𝑖-B5 Plus offers faster processing speeds and enhanced memory, crucial for handling complex, multi-axis operations efficiently. These capabilities lead to reduced cycle times, lower operational costs, and improved production quality, making it an ideal choice for businesses aiming to excel in competitive markets.

Detail image ROBODRILL Alpha-DiB Plus series with focus on the 31i-B5 Plus control
Specifications

Technical Specifications

Axis control
Max. controlled axes total / per path
34/16
Max. feed axes total / per path
26/12
Max. spindle axes total / per path
8/4
Max. simultaneously controlled axes per path
5
Max. controlled paths
6
Type of installation
LCD version
Yes
Stand-alone version
Yes
Operating Units
LCD panel
Yes
LCD panel for iHMI
Yes
PC front-end
Yes
PC front-end iHMI
Yes
Touch systems
Yes
Handheld control unit
Yes
Machine operators panel
Yes
PMC functions
Max. number of I/O
4096
Max. number of I/O-Link
2
Max. number of PMC channels
5
Maximum steps
300000
Block function
Yes
CNC functions
3D Interference check
Yes
Dual Check Safety
Yes
Smart Machine Control
Yes
Program Restart
Yes
Quick Program Restart
Yes
Nano Interpolation
Yes
Nano Smoothing
Yes
Fine Surface Technology
Yes
AI Advanced Preview
Yes
AI Contour Control
Yes
Macro Executor
Yes
C-Executor
Yes
FANUC Picture
Yes
FOCAS
Yes
5-axis function
Tilted Working Plane
Yes
Tool Center Point Control
Yes
Smooth simultaneous 5-axis machining
Yes
Error compensation
Error Compensation
Yes
Volumetric Error Compensation
Yes
Tool functions
Tool Functions
Yes
Tool Management System
Yes
3-D tool compensation
Yes
Technologies
Milling
Yes
Turning
Yes
Grinding
Yes
Gear-cutting
Yes
5 - axis
Yes
3+2 axis
Yes
Wood
Yes
Marble
Yes
Drilling
Yes
Documents

Download for Additional Information

Access essential technical specifications and valuable information about our products through our downloadable documents, aiding your decision-making process and maximising the utilisation of your FANUC products. 

Seamless CNC Brochure
Discover the complete product range
DownloadPreview
Software

For Customisation

Illustration of FOCAS library

FOCAS Library

Boost your CNC operations! Easily connect to your CNC machine via Ethernet or fibre optic. Customise functions, modify Macro Programmes, and enjoy intuitive access to advanced CNC tools.
Image of CNC screen. FANUC Picture

Screen Customisation - FANUC PICTURE

Seamlessly personalise operator interface and HMI screens for complex tasks. Unrivalled customisation, enhanced interfaces, smooth operation, and custom-made control panels ensure top user experience.
Image of CNC screen. Startup tool

Setup Tools - FANUC Ladder III, CNC Application Development Kit, CNC Setting Tool, CNC Startup Tool

Improve the efficiency of your industrial operations with our tools. Simplify programming, customise systems, and achieve efficient and accurate setups for enhanced productivity.
FANUC SERVO GUIDE is a Windows® application for quick and easy optimisation of servo and spindle axes. This software provides the integrated environment to test programs, set parameters and data measurement, needed for servo and spindle tuning. Direct connection between PC and CNC is possible through Ethernet.

SERVO GUIDE

Boost automation with cutting-edge servo technology. Experience precision, seamless integration, and optimal performance. Durable, energy-efficient, with tailored support for optimal operations.
Discover more
Image of CNC screen. Servo Sizer

Servo Sizer

Select motors and amplifiers with ease using FANUC Servo Sizer. Enter your specifications and operating conditions for optimal motor and amplifier recommendations. Free and user-friendly.
This image shows the AI Thermal Displacement Compensation. Easy to set up, this function significantly reduces machine warm-up times and ensures accurate machining under thermal growth conditions that can affect dimensional accuracy. Picture from the ROBODRILL brochure.

AI Thermal Displacement Compensation

Experience unmatched precision and efficiency in industrial machinery. Our solution minimises thermal displacement, ensuring consistent accuracy, reduced downtime, and higher productivity.

For Simulation – FANUC Digital Twin Solutions

Detail image of laptop with CNC GUIDE. Machine simulation screen

CNC GUIDE 2

Enhance operational efficiency, streamline training, and drastically reduce downtime with the pioneering next generation of CNC simulation. Incorporating our CNC GUIDE 2 into your manufacturing...
DISCOVER MORE
CNC Reflection Studio. A complete programming and simulation suite that offers powerful machine simulation and collision checking to provide peace of mind and minimise downtime. You can prove out programs using the machine layout and kinematics, and simulate tool paths, material removal and machine motion.

CNC Reflection Studio

Elevate Your Machining Efficiency. Our CNC Reflection Studio represents the pinnacle of programming and simulation for CNC operators and engineers. Tailored to meet rigorous demands, this windows-b...
DISCOVER MORE
FANUC Surface Estimation software empowers you to achieve unprecedented workpiece precision and machining efficiency.

Surface Estimation & Servo Viewer

Unlock Precision, Optimise Performance. Introducing our Surface Estimation & Servo Viewer, the revolutionary software duo that empowers you to achieve unprecedented workpiece precision and machinin...
DISCOVER MORE
Image of CNC screen. Tool Path optimizer

Tool Path Optimizer

Unleash the efficiency of your CNC machines. The challenge: Traditionally generated toolpaths can lead to inefficiencies such as excessive travel time, uneven tool wear and poor surface finish. The...
DISCOVER MORE
FANUC SERVO GUIDE is a Windows® application for quick and easy optimisation of servo and spindle axes. This software provides the integrated environment to test programs, set parameters and data measurement, needed for servo and spindle tuning. Direct connection between PC and CNC is possible through Ethernet.

SERVO GUIDE

Precision and efficiency in every move. Our FANUC SERVO GUIDE is essential for businesses seeking precision and efficiency in CNC operations. This advanced software offers comprehensive control ove...
Discover More
Series

Discover the Product Series

Success Story HAGE Sondermaschinenbau. FANUC Austria.

30𝑖 / 31𝑖 /32𝑖-MODEL B Plus Series

Designed to meet the demands of modern manufacturing, these powerhouses offer unparalleled control technology, customisable functionality and seamless connectivity. Explore our 30𝑖 / 31𝑖 /32𝑖-MODEL B Plus Series now!

Get Inspired

Get Inspiration from Other's Success

NHOM-98 is a mould manufacturer for the glass industry. For the production of parts with high complexity and shapes, they have installed several machines with FANUC CNC controls and five FANUC ROBODRILL machining centers.
INHOM-98 Ltd.

INHOM-98 Relies on High Quality of FANUC Equipment and Service

When it comes to automating a factory, the reliability of the systems is just as important as their efficiency. An excellent maintenance and repair service can make all the difference.

Perfect Fit for Your Application

Close-up shot of industrial machinery featuring turbine component, suitable for use in industry-related projects or illustrations Industrial machinery with turbine industrial-machinery-with-turbine 5 axis machining turbine

5 Axis Machining

5-axis CNC machining involves simultaneous movement along five axes—three linear (X, Y, Z) and two rotational. This capability allows for the creation of complex parts in a single setup, significantly enhancing precision and efficiency. By moving the cutting tool and workpiece along these five different axes, the 5-axis CNC can produce highly intricate shapes and detailed features.
READ MORE

Tailored Solutions for Your Industry

Test Description

Complex Machining for the Aerospace Industry

Optimise Aerospace Manufacturing Processes with FANUC’s State-of-the-Art Complex Machining Solutions!
Read more
brand new cars for the automotive industry

Complex Machining for the Automotive Industry

Precision and Efficiency in Automotive Manufacturing!
READ MORE
Electric car is charging at an EV-charging station

Electric Vehicles

No one has more experience automating electric vehicle production than FANUC. Trust us to help automate all of your EV manufacturing processes.
READ MORE
Chip as an example for the electronics industry

Electronics

We provide automated solutions for electronics manufacturing and clean room settings.
READ MORE
medical industry with clinical instruments

Complex Machining for the Medical industry

Medical Manufacturing Excellence with FANUC's Technology!
READ MORE
PRODUCTS
Solutions
CUSTOMER SERVICE
EDUCATION
NEWS & MEDIA
ABOUT FANUC
CONTACT
Find us on:
Terms of UsePrivacy and Cookie PolicyPurchasing Terms & ConditionsCompliance Reporting ChannelsImprintContact us