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FANUC A06B-0268-B605 S000 Series AC Servo Motor

The FANUC A06B-0268-B605 S000 is a high-performance αi Series AC Servo Motor designed for CNC machine tool axis control.

Product Details

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FANUC A06B-0268-B605 S000

FANUC A06B-0268-B605 S000 Servo Motor – Specifications, Applications & Replacement Guide

The FANUC A06B-0268-B605 S000 is a high-performance αi Series AC Servo Motor designed for CNC machine tool axis control. Built for precision, durability, and high reliability, this motor is widely used in machining centers, CNC lathes, and automated manufacturing equipment.

Manufactured by FANUC, this servo motor delivers stable torque output, high-speed response, and seamless compatibility with FANUC servo amplifiers.


Product Overview

  • Model: A06B-0268-B605 S000
  • Series: FANUC αi Series
  • Motor Type: AC Servo Motor
  • Mounting Type: B605 standard flange
  • Shaft Type: Straight shaft (standard specification)
  • Typical Use: CNC axis drive (X, Y, Z or rotary axis)

The αi series motors are designed for high-precision motion control, offering excellent acceleration, reduced vibration, and long service life.


Model Number Explanation

Understanding the FANUC part number helps confirm compatibility and avoid replacement errors:

Code Meaning
A06B FANUC servo motor family
0268 Motor frame size & power class
B605 αi series, standard flange configuration
S000 Standard specification (no optional features)

Typical Technical Specifications

While exact values can vary slightly depending on configuration, the A06B-0268-B605 S000 typically falls into the following performance range:

Specification Typical Value
Rated Speed 3000 rpm
Maximum Speed 4000–5000 rpm
Power Output Approx. 3–4 kW class
Voltage 3-phase AC
Encoder Type αi serial pulse coder
Cooling Natural / fan assisted

This motor provides excellent torque density and dynamic response for demanding CNC machining applications.


Compatible Servo Amplifiers

The motor is commonly paired with FANUC αi / βi servo amplifiers, including:

  • A06B-6096 Series
  • A06B-6097 Series

Proper motor-amplifier matching is essential for optimal performance and safe operation.


Applications

The A06B-0268-B605 S000 servo motor is widely used in:

  • Vertical Machining Centers (VMC)
  • Horizontal Machining Centers (HMC)
  • CNC Turning Centers
  • Rotary Tables and 4th Axis Systems
  • Automated Production Lines

It is typically installed on medium-to-heavy load axes requiring strong torque and precise positioning.


Replacement & Interchangeability Guide

When sourcing a replacement motor, always verify:

  1. Exact Part Number Match
    Even similar FANUC motors may differ in encoder, shaft, or brake configuration.
  2. Motor Options on Nameplate
    • Brake option
    • Oil seal
    • Shaft keyway
    • Connector orientation
  3. Amplifier Compatibility
    Ensure the servo amplifier model supports this motor.
  4. Encoder Type
    α / αi / βi encoders are not interchangeable.

Key Benefits

  • High precision positioning and repeatability
  • Fast acceleration and smooth operation
  • Long service life and industrial reliability
  • Designed specifically for CNC machine tools
  • Global support and spare parts availability

Conclusion

The FANUC A06B-0268-B605 S000 αi Servo Motor is a reliable and high-performance solution for CNC axis motion control. Its robust design and compatibility with FANUC servo systems make it an ideal replacement or upgrade choice for modern machining equipment.

 

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