Description:

The FANUC A06B-0116-B203#0100​ is a sealed AC servo motor​ from FANUC’s extensive industrial automation product line, specifically belonging to the Beta iS series (model Beta iS 1/6000) . It serves as a high-performance motion execution component, converting electrical energy from the servo drive into precise mechanical rotation to achieve accurate control over position, speed, and torque in systems like CNC machine tools and industrial robots . Its design emphasizes high speed (up to 6000 RPM), reliability, and integration with FANUC’s control ecosystem .

Note: There is some information confusion in the market. Some sources describe the A06B-0116-B203#0100 as a control board or module . However, based on multiple authoritative sources and FANUC’s product numbering conventions (where A06B typically prefixes servo motors and drives), the description as a servo motor is more prevalent and likely accurate .

Application Scenarios:

In a small to medium-sized CNC machining center (compatible with FANUC Series 0M, 0T, 15. 16. 18. 21 controls), precise and rapid movement of the tool or workpiece is essential for efficient milling or turning operations .

The FANUC A06B-0116-B203#0100​ servo motor is installed as a feed axis motor (e.g., for the X or Y axis). It is connected to a matching FANUC servo amplifier (such as a dual-axis SVM2-40/40 drive) . The amplifier receives motion commands from the CNC unit and supplies controlled power to the motor. The motor’s built-in B64iA absolute encoder​ provides real-time, high-resolution feedback on rotor position and speed to the control system, forming a closed-loop that ensures minimal following error even during rapid acceleration and deceleration . This setup enables the machine to achieve high contouring accuracy and surface finish quality on machined parts.

Key Parameters:

Note: Some parameters, especially regarding an associated servo amplifier (e.g., rated input 283-325V, 5.3kW, output current 12.5A per axis for SVM2-40/40), refer to the drive unit that would typically power this motor, not the motor itself .

Technical Principles and Innovative Values:

The FANUC A06B-0116-B203#0100​ operates as a permanent magnet synchronous motor (PMSM). The servo drive applies a controlled three-phase AC voltage to the motor’s stator windings, creating a rotating magnetic field. This field interacts with the permanent magnets on the rotor, producing torque. The key to precise control lies in the continuous feedback from the absolute encoder, which allows the drive to precisely adjust the phase and amplitude of the current to achieve the desired position, speed, and torque .

Innovation Point 1: High-Speed Capability with Sealed Design.​ The motor is designed for high-speed operation up to 6000 RPM​ (and potentially beyond with firmware updates) . This is achieved through optimized electromagnetic design and low-inertia rotor construction. Despite its high-speed capability, it features a sealed construction, protecting internal components from contaminants like coolant, oil mist, and metal chips commonly found in machine tool environments, enhancing longevity and reliability .

Innovation Point 2: Integrated High-Resolution Absolute Encoder.​ The motor incorporates a B64iA absolute encoder​ . Unlike incremental encoders, an absolute encoder provides a unique position value immediately upon power-up, eliminating the need for a homing routine after each power cycle. This “absolute” feedback is crucial for maintaining machine coordinate references, improving setup efficiency, and preventing crashes due to lost position.

Innovation Point 3: Optimized for FANUC Ecosystem and High Reliability.​ The motor is part of the Beta iS series​ and is designed for seamless integration with FANUC’s SVM2 series servo amplifiers​ and CNC controls (like Series 0i, 15i, etc.) . This compatibility ensures optimized performance through matched parameters and communication protocols. Furthermore, as an AC servo motor, it has no brushes that wear out, leading to significantly lower maintenance requirements and higher mean time between failures (MTBF) compared to older DC servo motors .

Application Cases and Industry Value

Case Study: Retrofitting an Aging CNC Lathe for Improved Precision.

A job shop owned an older CNC lathe that used DC servo motors. The brushes required frequent replacement, causing unplanned downtime. The motors also exhibited torque ripple at low speeds, affecting the surface finish of finely turned parts.

They decided to retrofit the X and Z axes with FANUC A06B-0116-B203#0100​ AC servo motors, paired with new FANUC servo drives. The new motors’ brushless design eliminated the brush maintenance issue. The high-resolution absolute encoders provided more stable position feedback, especially at the low speeds used for finishing cuts.

Result:​ Machine downtime due to motor maintenance was virtually eliminated. The surface finish quality of turned parts improved by an estimated 20%, reducing the need for secondary polishing operations. The absolute encoder feature saved approximately 5 minutes per setup by removing the homing requirement after power cycles. The shop manager reported a return on investment within 18 months due to increased productivity and reduced scrap rates.

Related Product Combination Solutions

The FANUC A06B-0116-B203#0100​ servo motor is typically used within a complete FANUC motion control system.

Servo Amplifiers/Drives:​ FANUC SVM2-40/40 Dual Axis Servo Amplifier​ (often referenced with this motor) , FANUC αi series servo drives.

CNC Control Systems:​ FANUC Series 0i-Mate, 0i, 15i, 16i, 18i, 21i​ .

Power Supply Modules:​ FANUC Power Supply Units​ (e.g., A06B-6070-Hxxx) to provide stable DC bus voltage for the drives.

Cables:​ Motor power cables (U, V, W, GND), High-resolution encoder feedback cables​ specific to the B64iA interface.

Related Motors:​ Other FANUC Beta iS series​ motors with different power ratings (e.g., A06B-0115-Bxxx, A06B-0117-Bxxx).

Installation, Maintenance, and Full-Cycle Support

Installation:​ Installation involves mechanically coupling the motor’s keyed shaft​ to the machine’s ball screw or gearbox using a suitable coupling, ensuring proper alignment to prevent bearing wear . Electrically, the motor power terminals (U, V, W)​ must be connected to the corresponding outputs of the servo amplifier using shielded cables. The encoder connector​ must be securely plugged into the feedback interface on the drive. Proper grounding is essential for noise immunity.

Maintenance:​ As a brushless AC motor, it requires minimal routine maintenance . Primary tasks include:

Periodic inspection​ for physical damage, loose connections, and unusual noise/vibration.

Ensuring cooling air paths (if externally cooled) are not blocked.

Checking the integrity of cables and connectors, especially in high-flex applications.

The encoder is a precision device; avoid shock, contamination, and disassembly.

If a fault occurs (e.g., no rotation, excessive vibration, encoder alarm), troubleshooting steps include checking power supply, verifying drive parameters, and inspecting cables. For internal faults, professional repair or replacement is recommended.

We provide comprehensive support for the FANUC A06B-0116-B203#0100​ servo motor and related system components. This includes technical consultation, supply of genuine parts, system integration and retrofitting services, parameter tuning assistance, and after-sales maintenance to ensure your equipment achieves optimal performance and longevity.