Product Title: FANUC A20B-2101-0350 Spindle PCB – High-Speed Spindle Control Board

Part Number: A20B-2101-0350
Brand: FANUC
Category: CNC Spindle Boards / Spindle Drive PCBs
Condition: New / Refurbished / Core Exchange Available
Availability: In Stock – Same-Day Dispatch or Lead Time Confirmable

🔧 Product Overview

The FANUC A20B-2101-0350 Spindle PCB is a high-performance printed circuit board designed to manage spindle drive control in FANUC CNC machines. It plays a crucial role in regulating spindle motor speed, torque, and acceleration, ensuring precise and stable machining performance.

Engineered for reliability and efficiency, this spindle control board is used across various FANUC systems and is an ideal replacement for worn or failed units in lathes, mills, and machining centers.

✅ Key Features

• OEM-Level Performance
  Built to FANUC’s industrial-grade specifications, ensuring full compatibility and long-term operation.

• Optimized Spindle Motor Control
  Provides smooth torque and speed regulation for high-speed and precision machining.

• Plug-and-Play Replacement
  Designed for direct installation into FANUC spindle drive systems—no custom configuration needed.

• Supports Multiple Machine Types
  Compatible with various FANUC spindle drive units and motor combinations.

• Available in Multiple Conditions
  Offered as new, refurbished, or exchange—tested and guaranteed for performance.

📐 Technical Specifications

🏭 Common Applications

• ⚙️ CNC Milling Machines

• 🔩 CNC Turning Centers

• 🤖 Automated Machining Cells

• 🛠️ Spindle Drive Retrofits & Repairs

💡 Benefits

✔️ Improves spindle responsiveness and acceleration
✔️ Reduces vibration and load fluctuations during high-speed machining
✔️ Minimizes machine downtime through fast, compatible replacements
✔️ OEM-quality testing for reliability and durability

❓ Frequently Asked Questions

Q: Is this board compatible with all FANUC spindle motors?
A: It’s compatible with a range of FANUC drives and motors. Please confirm your existing drive or motor model before purchasing.

Q: What are the signs of a failing spindle PCB?
A: Erratic spindle speed, alarm codes, poor torque control, or failure to start may indicate a failing board.

Q: Can I get this as part of a core exchange?
A: Yes. Send in your damaged board and receive a refurbished replacement at reduced cost.

📌 Conclusion

The FANUC A20B-2101-0350 Spindle PCB is a critical solution for maintaining precision spindle control in FANUC-powered CNC machines. Whether you’re servicing existing equipment or sourcing a reliable replacement, this board ensures high-speed stability, smooth cutting performance, and reduced downtime in demanding production environments.

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