GE FANUC A06B-0514-B574 AC servo motor

The GE FANUC A06B-0514-B574 is a FANUC Alpha i series AC servo motor, designed for high-precision, high-dynamic-response applications in CNC machine tools, robots, and automation equipment.

GE FANUC A06B-0514-B574

Product Overview

The GE FANUC A06B-0514-B574 is a FANUC Alpha i series AC servo motor, designed for high-precision, high-dynamic-response applications in CNC machine tools, robots, and automation equipment. It adopts high torque-density PMSM (Permanent Magnet Synchronous Motor) technology and is used in conjunction with FANUC αi series servo drives (such as A06B-6077-Hxxx) to achieve precise control of speed, position, and torque.

The A06B-0514-B574 is suitable for high-speed cutting, precision grinding, and multi-axis machining centers. Its low-inertia rotor design optimizes acceleration and deceleration performance, while the built-in high-resolution encoder (e.g., 1,000,000 p/rev absolute encoder) ensures micron-level positioning accuracy.

Product Parameters

Product Model: A06B-0514-B574
Manufacturer: FANUC (GE FANUC series)
Motor Type: AC servo motor (PMSM)
Rated Power: 1.4 kW
Rated Torque: 4.5 Nm
Maximum Speed: 3,000 rpm
Encoder Type: Absolute (multi-turn high-resolution)
Feedback Resolution: 1,000,000 p/rev (optional)
Shaft End Type: Keyway + clamping screw (standard IEC flange)
Protection Class: IP65 (dust and water resistance)
Insulation Class: Class F (155°C)
Cooling Method: Natural cooling (no fan)
Weight: 8.5 kg

Structure and Composition

The A06B-0514-B574 features a fully enclosed cast aluminum housing, with integrated high-energy-product neodymium-iron-boron (NdFeB) permanent magnets to ensure high torque output and low heat loss.

The motor front cover is equipped with high-precision bearings (ABEC-7 class) to support high radial loads, making it suitable for direct drive of machine tool spindles.
A built-in temperature sensor (PTC or KTY84) monitors winding temperature in real time to prevent overheating damage.
The rear part integrates a FANUC absolute encoder, which exchanges position data with the CNC system via high-speed serial communication (FSSB) and maintains multi-turn position memory without a battery.
The motor leads use oil-resistant, bend-resistant shielded cables (standard length 5m) and are reliably connected to the drive via aviation plugs (e.g., A860-2000-Txxx).

Key Features and Advantages

High Dynamic Response: Low rotor inertia optimizes acceleration performance (0-3,000 rpm < 50ms), suitable for high-speed tool changes and 5-axis machining.
Absolute Encoder: Maintains position memory after power loss, eliminating the need for reference point return operations and improving equipment restart efficiency.
Strong Environmental Adaptability: IP65 protection resists cutting fluids and metal dust; Class F insulation ensures stable operation in high-temperature environments.
Plug-and-Play Compatibility: Seamlessly matches FANUC αi series drives, supporting HRV (High Response Vector) control to suppress mechanical vibration.

Application Fields

CNC Machine Tools: Spindle drive for machining centers, feed axes of lathes (e.g., FANUC 0i-MF system).
Industrial Robots: Joint servo drive (paired with R-30iB controller).
Automation Production Lines: Precision assembly, linear axis positioning of laser cutting machines.
Semiconductor Equipment: High-precision motion control for wafer handling robots.

Installation and Maintenance

Pre-installation Preparation: Ensure the alignment error between the mechanical load and the motor shaft is < 0.02mm; use a laser calibrator to adjust the coupling. Check that the cable shield is undamaged to avoid electromagnetic interference.
Maintenance Recommendations: Inspect bearing lubrication every 2,000 hours (grease A98L-0031-0010 is recommended); regularly clean the motor heat sink. Do not use compressed air to blow the encoder interface to prevent dust intrusion.

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