FANUC A06B-6117-H257 αi SV 40/40L Dual-Axis Servo Amplifier Technical Specification

1. Product Overview

The FANUC A06B-6117-H257 αi SV 40/40L represents a specialized variant in FANUC's servo amplifier lineup, designed for applications requiring liquid cooling and medium-high power density. This dual-axis servo amplifier delivers 40A continuous and 40A peak current per axis, making it particularly suitable for CNC machine tools operating in high-temperature environments or demanding production conditions.

2. Key Technical Specifications

3. Technical Features and Innovations

3.1 Liquid Cooling System

The "L" designation in the model number indicates the integrated liquid cooling system, which provides:

• 30% better heat dissipation compared to air-cooled models

• Stable operation in ambient temperatures up to 45°C

• Reduced acoustic noise from cooling fans

• Longer component lifespan due to lower operating temperatures

3.2 Power Electronics

• Utilizes the latest generation 1200V IGBT modules

• Three-phase full-bridge inverter topology

• DC link voltage of 300V nominal

• Switching frequency of 8kHz with adjustable carrier wave

3.3 Control Architecture

• Dual-core DSP (TMS320F28335) for each axis

• Current loop bandwidth of 1.5kHz

• Advanced feedforward control with friction compensation

• Automatic tuning function for mechanical resonance suppression

4. Performance Characteristics

4.1 Dynamic Response

• Acceleration capability: 0 to rated speed in <50ms

• Speed fluctuation: <±0.01% of rated speed

• Position following error: <±1 pulse (with 1 million pulse/rev encoder)

4.2 Precision Control

• Minimum resolution: 0.1μm (with linear scale feedback)

• Circularity error: <5μm in circular interpolation

• Settling time: <10ms for 10μm positioning accuracy

4.3 Reliability Features

• Predictive maintenance function through current waveform analysis

• Redundant temperature monitoring at critical points

• Automatic derating function when coolant flow is insufficient

• Vibration-resistant design (up to 1G @ 10-200Hz)

5. Application Scenarios

5.1 CNC Machine Tools

• High-speed machining centers

• Precision grinding machines

• Large horizontal boring mills

• Gear hobbing and shaping machines

5.2 Industrial Automation

• Robotic welding cells

• Automated assembly lines

• Press feed systems

• Large material handling systems

5.3 Special Applications

• Semiconductor manufacturing equipment

• Medical device production machines

• Optical lens grinding systems

• Composite material processing

6. System Integration

6.1 Cooling System Requirements

• Coolant flow rate: 4-8 L/min

• Maximum coolant temperature: 35°C

• Pressure drop: <0.05MPa

• Recommended coolant: Deionized water or water-glycol mixture

6.2 Electrical Connections

• Power cable: Minimum 25mm² copper wire

• Motor cable: Shielded cable with 90°C rating

• Control signal cable: Twisted pair with overall shield

• Grounding resistance: <0.1Ω

6.3 Parameter Setting

• Basic parameters: 128 standard parameters

• Advanced tuning: 56 expert-level parameters

• Auto-tuning function for initial setup

• Optional FANUC Servo Guide software for optimization

7. Maintenance and Service

7.1 Preventive Maintenance

• Quarterly: Coolant quality check

• Biannually: Power component inspection

• Annually: Capacitor ESR measurement

• 5 years: Complete coolant system overhaul

7.2 Troubleshooting

• LED status indicators for quick diagnosis

• 64 error codes with detailed descriptions

• Waveform capture function for advanced analysis

• Remote monitoring capability via FANUC FIELD system

8. Comparative Advantages

9. Conclusion

The FANUC A06B-6117-H257 αi SV 40/40L dual-axis servo amplifier represents an optimal solution for industrial applications demanding reliable, high-performance motion control in challenging thermal environments. Its liquid-cooled design provides significant advantages in terms of power density, operational stability, and system longevity compared to conventional air-cooled amplifiers.

Key benefits include:
✔ Superior thermal management for consistent performance
✔ Enhanced power density in compact footprint
✔ Extended component lifespan through lower operating temperatures
✔ Reduced maintenance requirements
✔ Excellent dynamic response and positioning accuracy

For machine builders and system integrators working with high-performance CNC equipment or industrial automation systems, the A06B-6117-H257 offers a technically advanced solution that balances power, precision, and reliability. Its compatibility with FANUC's comprehensive ecosystem of CNC controls and servo motors ensures seamless integration into existing automation environments.