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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.

31𝑖-B5 Plus

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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.
Max. controlled axes total / per path
34/16
Max. spindle axes total / per path
8/4
Max. controlled paths
6

Benefits for Your Business

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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.
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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.
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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.
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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.
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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.
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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

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
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

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
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For Customisation

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FOCAS Library

Boost your CNC operations! Easily connect to your CNC machine via Ethernet. Customise functions, modify Macro Programmes, and enjoy intuitive access to advanced CNC tools.
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Screen Customisation - FANUC PICTURE 2

Seamlessly design fully customised operator interfaces and HMI screens for complex tasks with flexible layouts, smart scripting, and enhanced tools to create responsive, branded user experiences.
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FANUC Design Studio

Enhance efficiency with FANUC Design Studio tools. Simplify programming, customise systems and achieve fast, accurate machine configurations for smarter automation and higher 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 2

Enhance automation with cutting-edge servo technology. Servo Guide 2 offers smart tuning, predictive diagnostics, CNC GUIDE 2 integration and advanced visualisation for optimal performance.
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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...
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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...
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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...
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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...
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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...
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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

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Case Studies
Applications
Industries

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

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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.
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Tailored Solutions for Your Industry

Test Description

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Precision and Efficiency in Automotive Manufacturing!
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Electronics

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