New FANUC A06B-0247-B101 AC Servo Motor for CNC Precision Motion Control

The FANUC A06B-0247-B101 AC Servo Motor is built for CNC machinery and industrial automation systems that require stable torque delivery, accurate servo response, and dependable positioning over long operating cycles. In practical applications, a motor like this is chosen not only for output, but for how well it supports smooth axis movement, predictable control behavior, and consistent motion quality in day-to-day production. This model is commonly listed as an AiF22/3000 motor with a straight shaft, SLK shaft detail, and i1000 feedback, which makes it especially suitable for compatible FANUC-based replacement and maintenance work.

Key Technical Data

The core specification set for A06B-0247-B□0□ motors in the αiF22/3000 family shows 4.0 kW rated output, 3000 min⁻¹ rated and maximum speed, 22 Nm stall torque, 64 Nm maximum torque, 18.4 A stall current, and 0.0120 kg·m² rotor inertia. Public distributor listings for the A06B-0247-B101 variant consistently pair that motor family with a straight shaft / SLK configuration and i1000 feedback.

Stable Servo Performance for Demanding CNC Applications

In a real machining or automation environment, motion quality depends on far more than simple rotation. The motor has to accelerate smoothly, track commands cleanly, and remain stable when load conditions change. The A06B-0247-B101 is well suited to that kind of service because its specification profile supports controlled motion rather than oversized output alone. With 22 Nm stall torque and 64 Nm maximum torque, it offers the kind of usable torque reserve that helps machine axes respond confidently without sacrificing servo stability.

Its 3000 min⁻¹ speed class also makes it practical for applications where responsiveness and positioning consistency need to work together. In CNC equipment, that balance often matters more than chasing a higher top-end speed. A properly matched servo motor helps preserve interpolation smoothness, repeatability, and process consistency, all of which affect finished part quality and overall machine behavior.

Straight-Shaft Configuration for Easier Mechanical Matching

One of the first things buyers check in a replacement servo motor is mechanical compatibility. Available listings describe this model with a straight shaft and SLK shaft detail, which is important because shaft structure directly affects coupling fit, alignment, and installation efficiency. A motor that matches the original shaft arrangement is more likely to restore the intended motion behavior of the machine without unnecessary modification or added commissioning work.

For maintenance teams and rebuilders, that practical fit can be just as important as electrical data. The right shaft style reduces installation uncertainty, shortens downtime, and improves the chance of returning the equipment to stable service quickly. In established FANUC systems, these small mechanical details often have a very real impact on replacement success.

i1000 Feedback for Accurate Motion Control

This motor is also commonly associated with i1000 feedback, which is one of the main compatibility points buyers check before installation. In a servo system, the feedback device allows the control to monitor speed and position continuously, which is essential for correction quality, repeatability, and stable axis response. Reliable feedback helps the drive react more precisely to motion changes, producing smoother performance during continuous industrial operation.

That is especially valuable in CNC and automation equipment where even small motion inconsistencies can affect process accuracy or cycle stability. A servo motor with the expected feedback configuration gives the control system a better chance of maintaining the machine’s original operating characteristics after replacement.

Suitable Applications

The FANUC A06B-0247-B101 AC Servo Motor is commonly considered for:

• CNC machine tools

• Industrial automation systems

• Precision axis control assemblies

• Motion-control equipment

• Compatible FANUC servo motor replacement projects

FAQ

Q1: What is the rated output of the FANUC A06B-0247-B101?
A1: The FANUC A06B-0247-B101 is associated with a rated output of 4.0 kW. This puts it in a performance class suitable for CNC and industrial automation systems that need solid servo capability without moving into a much larger motor frame. In practical use, that output supports dependable axis movement while still allowing the machine to maintain controlled and accurate motion behavior.

Q2: What speed and torque performance is associated with this motor?
A2: The αiF22/3000 specification for A06B-0247-B□0□ motors lists 3000 min⁻¹ rated speed, 3000 min⁻¹ maximum speed, 22 Nm stall torque, and 64 Nm maximum torque. These figures show that the motor is designed for stable servo work where controlled acceleration, repeatable axis motion, and reliable torque delivery are important in daily machine operation.

Q3: What shaft type is commonly listed for the A06B-0247-B101?
A3: Public listings commonly describe this model with a straight shaft and SLK shaft detail. This is an important compatibility point because the shaft configuration affects coupling fit, alignment, and how easily the motor can be installed into an existing machine. Matching the original shaft design helps reduce retrofit issues and supports more predictable motion transfer after replacement.

Q4: What feedback device is associated with the FANUC A06B-0247-B101?
A4: This motor is commonly associated with i1000 feedback. In servo applications, the feedback device is essential because it helps the control system track motor speed and position accurately. That supports smoother correction, better repeatability, and more stable axis response in CNC and industrial automation environments where motion quality directly affects results.

Q5: What applications is the A06B-0247-B101 suitable for?
A5: The A06B-0247-B101 is suitable for CNC machinery, industrial automation equipment, precision axis systems, and compatible FANUC replacement projects. Its combination of 4.0 kW output, αiF22/3000 performance, straight-shaft configuration, and i1000 feedback makes it especially relevant in systems where accurate motion control and dependable long-term operation are essential.