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Fanuc spindle motor repair and refurbishment

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.

Fanuc Spindle Motor Repair and Refurbishment Services

Is your Fanuc spindle motor causing downtime and impacting your production? Roc Industrial LLC specializes in comprehensive Fanuc spindle motor repair and refurbishment services, ensuring your CNC machines are back up and running quickly and efficiently. We understand the critical role these motors play in your operations, and our experienced technicians are dedicated to providing fast, reliable, and cost-effective solutions. Trust Roc Industrial LLC for expert Fanuc spindle motor service.



About Fanuc Spindle Motors

Fanuc is a globally recognized leader in CNC (Computer Numerical Control) systems, robotics, and factory automation. Their spindle motors are integral components in CNC machines, responsible for driving the rotating cutting tools that shape materials with precision. Fanuc spindle motors are renowned for their high performance, reliability, and durability, making them a preferred choice in various industries, including aerospace, automotive, medical, and general manufacturing.


Fanuc spindle motors are designed to deliver high torque and speed, enabling efficient and accurate machining operations. They are available in a wide range of sizes and configurations to suit different CNC machine types and applications. From compact motors for small milling machines to powerful motors for large turning centers, Fanuc offers a solution for virtually any machining requirement. These motors are commonly found in CNC milling machines, CNC lathes, machining centers, and other automated manufacturing equipment.



Supported Models & Series

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

  • A06B-0111 Series

  • A06B-0123 Series

  • A06B-0151 Series

  • A06B-0202 Series

  • A06B-0205 Series

  • A06B-0212 Series

  • A06B-0215 Series

  • A06B-0223 Series

  • A06B-0225 Series

  • A06B-0235 Series

  • A06B-0411 Series

  • A06B-0421 Series

  • A06B-0431 Series

  • Beta Series Spindle Motors

  • Alpha Series Spindle Motors

  • i Series Spindle Motors

  • Various Fanuc AC Spindle Motor Units


Common Fanuc Spindle Motor Problems We Repair

Fanuc spindle motors, while robust, can experience failures over time due to wear and tear, environmental factors, or electrical issues. Recognizing these problems early can prevent further damage and minimize downtime. Here are some common issues we address:

  • No Output/Motor Not Starting: This could be due to a faulty power supply, damaged windings, or issues with the drive system.

  • Overheating: Excessive heat can indicate bearing failure, insufficient cooling, or overloading of the motor.

  • Excessive Vibration: Often caused by unbalanced rotating components, worn bearings, or misalignment.

  • Unusual Noises: Grinding, squealing, or knocking sounds can point to bearing problems, damaged gears, or loose components.

  • Encoder Faults: Encoder issues can lead to inaccurate positioning and speed control, affecting machining precision.

  • Blown Fuses/Tripped Breakers: Indicates a short circuit or overload condition within the motor or drive system.

  • Communication Errors: Problems with the communication interface between the motor and the CNC controller.

  • Contamination: Coolant or other contaminants entering the motor can cause corrosion and electrical shorts.

  • Bearing Failure: Worn or damaged bearings are a common cause of spindle motor failure, leading to noise, vibration, and overheating.

  • Winding Damage: Insulation breakdown or shorted windings can result in reduced performance or complete motor failure.


Our Fanuc Spindle Motor Repair Process

Roc Industrial LLC follows a meticulous repair process to ensure the highest quality Fanuc spindle motor repairs. Our process includes:

  1. Free Evaluation and Quote: We begin with a thorough evaluation of your Fanuc spindle motor to identify the root cause of the problem. We then provide a detailed quote for the repair, with no hidden fees.

  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 experienced technicians use advanced diagnostic equipment to pinpoint the exact components that need repair or replacement. This includes testing windings, encoders, and other critical components.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing only the faulty parts. This approach saves you money and reduces downtime. We use only high-quality replacement parts that meet or exceed OEM specifications.

  5. Load Testing and Quality Checks: After the repair, we subject the motor to rigorous load testing to ensure it performs to its original specifications. We also conduct thorough quality checks to verify the repair's reliability and longevity.

  6. Warranty-Backed Return and Support: All our Fanuc spindle motor repairs are backed by a comprehensive warranty. We also provide ongoing technical support to ensure your complete satisfaction.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc spindle motor repair services to customers nationwide. We understand that downtime can be costly, so we offer fast turnaround times and expedited shipping options to minimize disruption to your operations. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or anywhere else in the United States, we can help.


We have established relationships with reliable shipping carriers to ensure your Fanuc spindle motor is transported safely and efficiently. Our team is committed to providing prompt and responsive customer service, keeping you informed throughout the repair process. We strive to get your equipment back up and running as quickly as possible, minimizing production losses.



Why Choose Roc Industrial LLC?

When it comes to Fanuc spindle motor repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: Our technicians have decades of experience repairing and servicing Fanuc spindle motors.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty on all repairs.

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc spindle motor parts, enabling us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and strive to provide the fastest possible turnaround times, often offering same-day service.

  • 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.

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 your trusted partner for all your Fanuc spindle motor service and troubleshooting needs. We also offer Fanuc spindle motor testing and refurbishment services. Roc Industrial LLC is committed to providing the best possible service and support to our customers.

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