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Emergency Mitsubishi spindle motor overnight repair

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.

Emergency Mitsubishi Spindle Motor Repair Services

Is your Mitsubishi spindle motor causing downtime? Roc Industrial LLC specializes in fast and reliable Mitsubishi spindle motor repair services to get your CNC machines and production lines back up and running quickly. We understand the critical role spindle motors play in your operations, and we are committed to providing expert repair solutions with rapid turnaround times. As a trusted repair provider, Roc Industrial LLC offers comprehensive testing, component-level repairs, and warranty-backed service for a wide range of Mitsubishi spindle motor models.



About Mitsubishi Spindle Motors

Mitsubishi Electric is a global leader in automation and industrial technology, renowned for its high-performance spindle motors used in CNC machines, robotics, and other precision manufacturing applications. Mitsubishi spindle motors are known for their reliability, precision, and advanced control capabilities. They are integral to achieving high-quality machining and consistent performance in demanding industrial environments. These motors are designed to deliver exceptional torque and speed, ensuring optimal performance in various machining processes.


The Mitsubishi spindle motor line includes a variety of models designed for different applications and performance requirements. From compact, high-speed motors for precision machining to robust, high-torque motors for heavy-duty cutting, Mitsubishi offers solutions tailored to meet the diverse needs of modern manufacturing. Their innovative designs and advanced control systems make them a preferred choice for industries requiring high accuracy and efficiency, such as aerospace, automotive, and electronics manufacturing.



Supported Models & Series

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

  • HF Series Spindle Motors (e.g., HF-KP43, HF-SP52, HF-JP73)

  • SJ Series Spindle Motors (e.g., SJ-D15K5, SJ-D22K5, SJ-D37K5)

  • SF-JR Series Spindle Motors (e.g., SF-JR 7.5kW, SF-JR 11kW, SF-JR 15kW)

  • HF-MP Series Spindle Motors (e.g., HF-MP23, HF-MP43, HF-MP73)

  • BM Series Spindle Motors (e.g., BM-A1002, BM-A2002, BM-A3002)

  • BB Series Spindle Motors

  • HG Series Spindle Motors

  • LM Series Linear Motors

  • FR-SF Series Spindle Motors

  • Older Legacy Models (Contact us for specific model support)


Common Mitsubishi Spindle Motor Problems We Repair

Mitsubishi spindle motors are built to last, but like all industrial equipment, they can experience failures over time. Roc Industrial LLC is equipped to diagnose and repair a wide range of common issues that can affect the performance and reliability of your spindle motors.

  • No Rotation or Intermittent Operation: Motor fails to start or stops unexpectedly during operation.

  • Overheating: Excessive heat buildup due to overload, insufficient cooling, or internal component failure.

  • Excessive Vibration or Noise: Unusual vibrations or noises indicating bearing damage, imbalance, or mechanical issues.

  • Encoder Faults: Errors in the encoder feedback system, leading to inaccurate positioning or speed control.

  • Drive Communication Errors: Loss of communication between the motor and the drive controller.

  • Blown Fuses or Tripped Circuit Breakers: Electrical faults causing protective devices to activate.

  • Bearing Failure: Worn or damaged bearings causing noise, vibration, and eventual motor failure.

  • Winding Insulation Breakdown: Deterioration of the insulation on the motor windings, leading to short circuits.

  • Contamination: Ingress of coolant, oil, or other contaminants affecting motor performance.

  • Power Supply Issues: Problems with the power supply unit affecting motor operation.

  • Low Torque Output: Motor unable to deliver the required torque for machining operations.


Our Mitsubishi Spindle Motor Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality Mitsubishi spindle motor repairs. Our experienced technicians use advanced diagnostic equipment and proven repair techniques to restore your motors to optimal performance.

  1. Free Evaluation and Quote: We begin with a free evaluation of your Mitsubishi spindle motor to identify the root cause of the problem. Based on our assessment, we provide a detailed repair quote with no hidden costs.

  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. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use specialized test equipment to thoroughly diagnose the motor, including insulation resistance testing, winding analysis, and encoder testing.

  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. Load Testing and Quality Checks: After the repair, we conduct rigorous load testing to ensure the motor meets or exceeds original performance specifications. We also perform thorough quality checks to verify the integrity of the repair.

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


Nationwide Repair Services

Roc Industrial LLC provides Mitsubishi 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 in operation as soon as possible. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city across the United States, we are here to support your repair needs.


We have established efficient logistics and shipping processes to ensure timely and reliable delivery of your repaired spindle motors. Our team is dedicated to providing exceptional service and support, regardless of your location. 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 Mitsubishi spindle motor repair, Roc Industrial LLC stands out as a trusted and reliable partner. We offer a range of benefits that set us apart from the competition:

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

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

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

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

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring consistent quality and adherence to industry best practices.

  • 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 Mitsubishi spindle motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are committed to providing the highest quality service and support to keep your CNC machines running smoothly.

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