A06B-0061-B203
May 13, 2026

A06B-0061-B203

1. Product Overview 1.1 Product Type FANUC AC Servo Motor 1.2 Code Explanation A06B: FANUC servo motor and spindle motor series code 0061: Base motor model, defining frame size, power rating and mechanical structure layout B203: Shaft type, flange mounting form, encoder configuration and structural version specification 1.3 Product Description A06B-0061-B203 is a high-performance compact AC servo motor designed for FANUC CNC machine tools and industrial automation control systems. It adopts high-efficiency magnetic circuit design and precision rotor structure, featuring high torque density, low vibration, low noise and excellent smooth speed regulation performance. Matched with FANUC servo drive unit, it realizes high-precision feed positioning, fast dynamic response and stable running performance for small and medium-sized machine tool axes and automated transmission mechanisms. 1.4 Application Scope Suitable for CNC lathes, milling machines, drilling and tapping machines, machining centers, as well as industrial robot auxiliary axes, electronic automation equipment and small automated production lines.

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, adapting to complex workshop working environment

  • Installation mode: Standard flange mounting

  • Insulation performance: Complies with international industrial electrical safety standards

3. Product Features

  1. Compact lightweight design, high power density, stable torque output and strong overload capacity.

  2. Built-in high-resolution encoder, supporting high-precision closed-loop control and repeated positioning accuracy.

  3. Optimized low cogging torque design, smooth operation at low speed without crawling and jitter.

  4. Industrial-grade insulation and integral sealing structure, good dustproof, oil resistance and long service life.

  5. Standard mounting and shaft dimension, convenient for installation, alignment and direct replacement.

  6. Perfect compatibility with FANUC servo drive system, fast response, easy parameter debugging and stable long-term continuous operation.

4. Installation Instructions

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

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

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

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

  5. Connect motor power cable and encoder cable strictly in accordance with wiring specifications, ensure firm connection and correct phase sequence.

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

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

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

5. Operation Precautions

  1. Prohibit operation beyond rated voltage, rated speed and rated load range to prevent motor overheating and burnout.

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

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

  4. Keep reliable grounding for motor and equipment 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 once abnormal noise, vibration, overheating or servo alarm occurs.

6. Maintenance and Storage

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

7. Quality Statement

  1. A06B-0061-B203 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-0061-B203 servo motor.


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