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Fanuc Spindle Motor Repair Solutions

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Expert Fanuc Spindle Motor Repair Services

Is your Fanuc spindle motor experiencing issues? Roc Industrial LLC specializes in providing comprehensive Fanuc spindle motor repair services to keep your CNC machines and automated systems running smoothly. We understand the critical role these motors play in your operations, and we are committed to delivering fast, reliable, and expert repair solutions. With decades of experience, Roc Industrial LLC is your trusted partner for all your Fanuc spindle motor repair needs.



About Fanuc Spindle Motors

Fanuc is a globally recognized leader in CNC (Computer Numerical Control) systems, robotics, and automation solutions. Their spindle motors are integral components in CNC machines, providing the power and precision required for various machining processes, including milling, turning, and grinding. Known for their robust design and high performance, Fanuc spindle motors are widely used in industries such as aerospace, automotive, manufacturing, and electronics.


Fanuc spindle motors are designed to deliver exceptional speed, torque, and accuracy. They are engineered to withstand the demanding conditions of industrial environments, ensuring reliable operation and long service life. However, like all mechanical and electrical components, spindle motors are subject to wear and tear, and can eventually require repair or refurbishment. Roc Industrial LLC has extensive experience in servicing and repairing a wide range of Fanuc spindle motors, ensuring your equipment returns to optimal performance.



Supported Models & Series

We repair a wide range of Fanuc spindle motor models and series, including but not limited to:

  • Fanuc AC Spindle Motor Series: A06B-0111, A06B-0127, A06B-0157, A06B-0202, A06B-0205, A06B-0212, A06B-0227, A06B-0235

  • Fanuc AC Spindle Motor Series: A06B-0411, A06B-0421, A06B-0451, A06B-0461, A06B-0501, A06B-0502, A06B-0503, A06B-0511

  • Fanuc AC Spindle Motor Series: A06B-0751, A06B-0752, A06B-0753, A06B-0754, A06B-0755, A06B-0756, A06B-0757, A06B-0758

  • Fanuc Beta Series Spindle Motors: BiI series, BiIS series, Bi series

  • Fanuc Alpha Series Spindle Motors: Ai series, AiI series

  • Fanuc Red Cap Motors

  • Fanuc Yellow Cap Motors

  • Fanuc Spindle Amplifier Modules: A06B-6055, A06B-6056, A06B-6057, A06B-6058, A06B-6059

  • Fanuc Digital Spindle Modules: A06B-6114, A06B-6117, A06B-6124, A06B-6127, A06B-6134, A06B-6147

  • Fanuc Serial Spindle Motors

This is not an exhaustive list. Contact us with your specific Fanuc spindle motor model number for a free evaluation and repair quote.



Common Fanuc Spindle Motor Problems We Repair

Fanuc spindle motors can experience a variety of issues that can impact the performance and reliability of your CNC machines. Roc Industrial LLC specializes in diagnosing and repairing these common problems, ensuring your equipment operates at peak efficiency. Here are some of the common failures we address:

  • Overheating: Excessive heat can damage the motor windings and other critical components.

  • Vibration and Noise: Unusual vibrations or noises can indicate bearing failure, imbalance, or other mechanical issues.

  • Loss of Torque: Reduced torque can affect the motor's ability to perform machining operations effectively.

  • Encoder Faults: Encoder problems can lead to inaccurate positioning and speed control.

  • Communication Errors: Issues with communication between the motor and the CNC control system.

  • Blown Fuses: Frequent fuse failures can indicate underlying electrical problems.

  • Winding Failures: Shorted or open windings can cause motor malfunction.

  • Bearing Failure: Worn or damaged bearings can lead to increased friction and noise.

  • Drive Issues: Problems with the spindle drive can affect motor performance.

  • Power Supply Problems: Inadequate or unstable power supply can damage the motor.

  • Contamination: Coolant or other contaminants can damage the motor's internal components.

  • Speed Instability: Inconsistent spindle speed can affect machining accuracy.


Our Fanuc Spindle Motor Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure the highest quality Fanuc spindle motor repair. Our experienced technicians use advanced diagnostic tools and techniques to identify and resolve a wide range of motor issues. Here's a detailed breakdown of our repair process:

  1. Free Evaluation and Quote: We begin with a free evaluation of your Fanuc spindle motor to determine the extent of the damage and provide you with a detailed repair quote.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your motor arrives safely at our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use state-of-the-art test equipment to diagnose the root cause of the motor's failure. This includes electrical testing, mechanical inspections, and encoder analysis.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This includes bearings, encoders, windings, and other critical parts.

  5. Winding Refurbishment: If the motor windings are damaged, we offer winding refurbishment services to restore them to their original condition.

  6. Balancing: After repairs, the spindle is dynamically balanced to minimize vibration and ensure smooth operation.

  7. Load Testing and Quality Checks: We conduct rigorous load testing and quality checks to ensure the motor meets or exceeds OEM specifications. This includes testing the motor under various load conditions to verify its performance and reliability.

  8. Warranty-Backed Return and Support: All our repairs are backed by a comprehensive warranty, giving you peace of mind. We also provide ongoing technical support to address any questions or concerns you may have.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc spindle motor repair services to customers nationwide. We understand the importance of minimizing downtime, and we offer fast shipping options and quick turnaround times to get your equipment back up and running as quickly as possible. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city across the United States, we are here to serve you.


We have established efficient logistics and shipping processes to ensure your Fanuc spindle motor is transported safely and securely to our repair facility. Our team is dedicated to providing exceptional customer service and keeping you informed throughout the repair process. Contact us today to learn more about our nationwide repair services and how we can help you minimize downtime and maximize productivity.



Why Choose Roc Industrial LLC?

When it comes to Fanuc spindle motor repair, Roc Industrial LLC stands out as a trusted and reliable partner. Here are some of the reasons why you should choose us:

  • 30+ Years of Experience: With over three decades of experience in industrial electronics repair, we have the knowledge and expertise to handle even the most complex Fanuc spindle motor issues.

  • Warranty-Backed Repairs: All our repairs are backed by a comprehensive warranty, giving you peace of mind and ensuring the quality of our workmanship.

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc spindle motor parts, allowing us to expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, and we offer fast turnaround times, often providing same-day service for urgent repairs.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest standards of quality and reliability.

  • Exceptional Customer Support: Our dedicated customer support team is available to answer your questions and provide assistance throughout the repair process.

  • Component Level Repair: We repair down to the component level, saving you money over complete motor replacement.

Don't let a faulty Fanuc spindle motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Fanuc spindle motor repair. We are committed to providing you with the highest quality repair services and exceptional customer support.

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