FANUC CNC Control Unit Single-Axis A06B-6117-H155 αi SV 160L

FANUC CNC Single-Axis Driver A06B-6117-H156 αi SV 160L

The FANUC CNC Single-Axis Driver A06B-6117-H156 αi SV 160L is a high-performance servo amplifier engineered for demanding industrial applications requiring ultra-precision, high-power density, and robust reliability. As part of FANUC's αi SV series, this driver integrates advanced control technologies with industrial-grade components to deliver exceptional motion control performance in CNC machinery, robotics, and automated production systems.

Key Specifications and Features

• Model: A06B-6117-H156
• Series: αi SV 160L
• Rated Output Current: 160Arms, enabling direct drive of large-scale servo motors (e.g., αiF/αiS series) up to 55kW.
• Control Method: Full-digital sine-wave PWM with IGBT bridge and HRV4+ control technology, achieving a current loop bandwidth of 2.5kHz for ultra-fast torque response.
• Input Power: Three-phase AC400V (±10%), with active power factor correction (PFC) to reduce harmonic distortion and energy consumption.
• Compatible CNC Systems: Fully compatible with FANUC 30i/31i/32i-MODEL B Plus, 0i-F Plus, and Power Motion i-MODEL A controllers, supporting advanced functions like AI Nano Contour Control and AI Thermal Displacement Compensation.
• HRV4+ Control: Enhances position/speed accuracy by suppressing mechanical resonance and vibration, enabling ±0.0001mm positioning repeatability in ultra-precision machining.
• Integrated Safety Functions:
  • Overcurrent, overvoltage, overheat, and short-circuit protection.
  • Real-time monitoring of motor temperature, insulation resistance, and encoder health.
  • Compliance with ISO 13849-1 (PL e) and IEC 61508 (SIL 3) safety standards.
• Thermal Design:
  • Dual-channel liquid cooling system with integrated flow sensors.
  • High-efficiency heat sinks and forced-air circulation for operation in -10°C to +60°C ambient temperatures.
• Modular Architecture:
  • Supports daisy-chaining of up to four αi SV 160L drivers for multi-axis synchronization.
  • Hot-swappable design with LED status indicators for easy maintenance.

Performance Advantages

• Ultra-Precision Machining:
  • 24-bit absolute encoder feedback (16,777,216 pulses/rev) enables nanometer-level positioning accuracy.
  • Sub-millisecond latency in torque response ensures minimal tracking error during high-speed acceleration/deceleration.
• High-Power Efficiency:

  • 98% power conversion efficiency reduces energy waste and heat generation.

  • Active regeneration circuitry recovers braking energy, lowering operational costs.
• Industrial Robustness:
  • IP67-rated connectors and conformal-coated PCBs resist dust, moisture, and vibration.
  • Shock resistance of 50G (11ms) and vibration resistance of 10–500Hz (2G) ensure reliability in harsh environments.
• Smart Diagnostics:
  • Built-in AI Servo Tuning optimizes PID gains automatically.
  • FANUC Picture Diagnostics provides real-time visualization of motor current, temperature, and vibration spectra.

Application Scenarios

• Aerospace Component Manufacturing:
  • Used in 5-axis milling centers for titanium/nickel-based alloy components, achieving Ra 0.2μm surface finishes.
• Automotive Powertrain Production:
  • Drives large-bore honing machines and crankshaft grinders with ±1μm dimensional accuracy.
• Energy Sector Machining:
  • Ideal for wind turbine blade molds and gas turbine disk profiling, where thermal stability is critical.
• Heavy-Duty Material Removal:
  • Enables high-feed-rate cutting of hardened steels (HRC 60+) in die/mold applications.

Specification Table

Conclusion

The FANUC CNC Single-Axis Driver A06B-6117-H156 αi SV 160L represents the pinnacle of servo control technology for high-precision, high-power industrial applications. Its combination of HRV4+ control, industrial-grade robustness, and smart diagnostics makes it indispensable in aerospace, automotive, energy, and heavy-duty machining sectors. Whether driving multi-axis machining centers or robotic arms, the αi SV 160L delivers the performance, reliability, and efficiency required to meet the demands of Industry 4.0 and beyond.