A06B-0116-B403
May 13, 2026

A06B-0116-B403

Product Instruction Manual Part Number: A06B-0116-B403 English Version (No Images) 1. Product Overview 1.1 Product Type FANUC Low Inertia AC Servo Motor 1.2 Code Explanation A06B: FANUC servo motor and spindle motor series code 0116: Basic motor model, defines frame size, power rating and low-inertia rotor structure B403: Defines shaft configuration, flange mounting size, encoder type, connector layout and structural version 1.3 Product Description A06B-0116-B403 is a high-performance low-inertia AC servo motor designed for FANUC CNC systems and industrial automation equipment. It adopts high-efficiency magnetic circuit and low-inertia rotor design, featuring fast acceleration and deceleration, high torque density, low cogging torque, low vibration and quiet operation. Matched with FANUC servo amplifier, it achieves high-precision positioning, repeat positioning accuracy and stable dynamic response, suitable for high-speed and high-precision feed axis applications. 1.4 Application Scope CNC lathes, milling machines, machining centers, drilling and tapping machines, grinding machines, automated production lines and auxiliary axes of industrial robots.

Description

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2. Technical Specifications

  • Rated Voltage: AC 200V class

  • Insulation Class: Class F

  • Cooling Method: Natural air cooling

  • Operating Ambient Temperature: 0℃ ~ +55℃

  • Storage Temperature Range: -20℃ ~ +70℃

  • Relative Humidity: 10% ~ 90%, non-condensing

  • Protection Grade: Industrial dust-proof and oil-proof

  • Installation Method: Standard flange mounting

  • EMC Performance: Industrial grade anti-electromagnetic interference

  • Continuous Operation: Supports 24-hour uninterrupted stable operation

3. Product Features

  1. Low inertia rotor design, fast dynamic response, excellent acceleration and deceleration performance.

  2. High power density, strong overload capacity and stable continuous torque output.

  3. Built-in high-resolution encoder for high-precision closed-loop control and positioning accuracy.

  4. Optimized low cogging torque design, smooth micro-feed and low-speed operation without crawling or jitter.

  5. Industrial-grade insulation and sealed structure, good dustproof, oil resistance and long service life.

  6. Standard mounting dimension and interface layout, fully compatible with original FANUC drive for direct replacement.

4. Installation Instructions

  1. Cut off the total power supply of machine tool and servo system before installation and maintenance.

  2. Inspect motor appearance, flange surface, shaft and keyway for no damage, deformation or rust.

  3. Fix the motor on mechanical mounting surface with standard bolts, tighten evenly to ensure mounting flatness.

  4. Install the coupling correctly, strictly control coaxiality between motor shaft and load shaft to reduce vibration and abnormal wear.

  5. Connect motor power cable and encoder cable strictly according to wiring specifications.

  6. Arrange cables reasonably, avoid sharp bending, heavy extrusion and crossing with high-voltage lines.

  7. After installation, recheck all mechanical fastening and wiring connections.

  8. Power on the system, complete servo initialization, origin calibration and no-load test operation.

5. Operation Precautions

  1. Do not operate beyond rated voltage, speed and load range to prevent motor overheating and burnout.

  2. Avoid frequent forward and reverse jogging in a short time to reduce overcurrent impact and thermal overload.

  3. Do not use in environments with heavy dust, oil mist, corrosive gas and water splash.

  4. Keep reliable equipment grounding to prevent electric leakage and electromagnetic interference.

  5. Do not disassemble motor shell, encoder and internal components without professional authorization.

  6. Stop operation and cut off power immediately if abnormal noise, vibration, overheating or servo alarm occurs.

6. Maintenance and Storage

Clean motor surface dust and oil stains regularly, keep heat dissipation surface unobstructed.
Periodically check mounting bolts, coupling tightness and cable connector looseness.
Store in dry, ventilated, dust-free indoor environment without corrosive gas.
Storage temperature: 5℃ ~ 35℃, relative humidity ≤ 85%, keep non-condensing.
Avoid collision, extrusion and motor shaft deformation.
Shelf life: 12 months under original sealed packaging and standard storage conditions.

7. Quality Statement

  1. A06B-0116-B403 complies with FANUC industrial manufacturing standards and electrical safety specifications.

  2. All products pass dynamic balance test, performance test and aging test before delivery.

  3. This manual is applicable to original and compatible replacement parts of A06B-0116-B403 servo motor.


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