top of page
Main Image.png

Haas servo motor rebuild and refurbishment

ISO 9001:2015 Certified Quality

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

​

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.

Haas Servo Motor Repair and Refurbishment Services

Is your Haas servo motor malfunctioning and impacting your CNC machine's performance? Roc Industrial LLC specializes in providing fast, reliable, and expert Haas servo motor repair and refurbishment services. We understand the critical role these motors play in your operations, and our experienced technicians are dedicated to getting your equipment back up and running quickly. With decades of experience, state-of-the-art diagnostic equipment, and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Haas servo motor repair needs.



About Haas Servo Motors

Haas Automation is a leading global manufacturer of CNC machine tools, known for their reliability and performance in various industries. Haas servo motors are integral components of these machines, responsible for precise and controlled movements of axes, spindles, and other critical functions. These motors are designed to withstand demanding industrial environments, but like any mechanical component, they are susceptible to wear and tear, leading to eventual failure.


Haas servo motors are widely used in CNC milling machines, CNC lathes, and other automated equipment. Their robust design and precise control capabilities make them essential for achieving high accuracy and efficiency in manufacturing processes. From small job shops to large-scale production facilities, Haas servo motors are a cornerstone of modern manufacturing, enabling the creation of complex parts and products with consistent quality. When these motors fail, it can lead to significant downtime and lost productivity, making timely and reliable repair services crucial.



Supported Models & Series

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

  • Vector Drive Motors: Including models 40HP, 30HP, 20HP, and 10HP variants.

  • Brushless Servo Motors: Series 30, Series 40, Series 50, and Series 60.

  • Spindle Drive Motors: Including models for VF series, VM series, and ST series machines.

  • Axis Drive Motors: X-Axis, Y-Axis, and Z-Axis motors for various Haas CNC machines.

  • VF Series Servo Motors: Specifically designed for Haas VF series vertical machining centers.

  • ST Series Servo Motors: Tailored for Haas ST series turning centers.

  • Brush-Type Servo Motors: Legacy models still in operation, requiring specialized repair.

  • Sigma Series Servo Motors: High-performance motors for demanding applications.

  • UMC Series Servo Motors: Motors used in Universal Machining Centers.

  • HRT Series Servo Motors: Rotary table motors.


Common Haas Servo Motor Problems We Repair

Haas servo motors can experience a variety of issues that can disrupt your CNC operations. Our experienced technicians are skilled at diagnosing and repairing these common failures, ensuring minimal downtime for your business.

  • No Output: The motor fails to produce any torque or movement, indicating a potential issue with the power supply, windings, or control circuitry.

  • Overheating: Excessive heat buildup can damage the motor's internal components, leading to premature failure. This can be caused by overloading, inadequate cooling, or internal shorts.

  • Encoder Faults: The encoder provides feedback on the motor's position and speed. Encoder failures can result in inaccurate positioning, erratic movements, or complete motor shutdown.

  • Communication Errors: Loss of communication between the motor and the CNC controller can prevent the motor from operating correctly. This can be due to faulty wiring, damaged connectors, or issues with the control system.

  • Blown Fuses: Repeatedly blown fuses indicate an overcurrent condition, which can be caused by short circuits, insulation breakdown, or motor overload.

  • Excessive Vibration: Unusual vibrations can indicate worn bearings, unbalanced rotors, or other mechanical issues that require immediate attention.

  • Bearing Failure: Worn or damaged bearings can cause noise, vibration, and eventual motor seizure. Replacing the bearings is crucial to restoring smooth and reliable operation.

  • Winding Damage: Shorted or open windings can significantly reduce motor performance or cause complete failure. This often requires rewinding the motor.

  • Low Torque Output: The motor is running but not producing the required torque.

  • Erratic Movement: The motor moves in an uncontrolled or unpredictable manner.


Our Haas Servo Motor Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality Haas servo motor repairs. Our goal is to restore your motors to their original performance specifications and minimize downtime for your operations.

  1. Free Evaluation and Quote: We begin with a free evaluation of your faulty Haas servo motor. Our technicians thoroughly inspect the motor to identify the root cause of the problem. Based on our findings, we provide you with a detailed quote outlining the necessary repairs and associated 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 pickup services in certain areas.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, your motor undergoes a comprehensive diagnostic process using our state-of-the-art test equipment. This includes insulation testing, winding resistance measurements, encoder testing, and dynamic performance analysis.

  4. Component-Level Repair and Replacement: Our skilled technicians perform component-level repairs, replacing faulty components with high-quality replacements. We use only OEM-approved parts or equivalent to ensure optimal performance and reliability. This includes replacing bearings, encoders, resolvers, and other critical components.

  5. Winding Rewinding (If Necessary): If the motor windings are damaged, we have the capability to rewind them to the original specifications. Our winding process ensures proper insulation and optimal performance.

  6. Balancing: After rewinding or replacing major components, the motor is dynamically balanced to minimize vibration and ensure smooth operation.

  7. Load Testing and Quality Checks: After the repairs are completed, the motor undergoes rigorous load testing to verify its performance under simulated operating conditions. We monitor parameters such as torque, speed, current, and temperature to ensure it meets or exceeds OEM specifications.

  8. Warranty-Backed Return and Support: All our Haas servo motor 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 after the repair.


Nationwide Repair Services

Roc Industrial LLC provides Haas servo motor repair services to customers nationwide. We understand the urgency of getting your equipment back online, and we offer fast shipping options and quick turnaround times to minimize downtime. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city across the United States, we're here to help.


We have established logistics partnerships to ensure efficient and reliable transportation of your Haas servo motors. Our streamlined repair process and experienced technicians allow us to provide fast turnaround times without compromising on quality. Contact us today to learn more about our nationwide repair services and how we can help keep your CNC machines running smoothly.



Why Choose Roc Industrial LLC?

When it comes to Haas servo motor repair, Roc Industrial LLC offers a distinct advantage. Our commitment to quality, expertise, and customer satisfaction sets us apart from the competition.

  • 30+ Years of Experience: With over three decades of experience in industrial electronic repair, we have the knowledge and expertise to handle even the most complex Haas servo motor repairs.

  • 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 Haas servo motor parts, allowing us to expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your equipment back online, and we offer fast turnaround times, often with same-day service available.

  • 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, provide updates on your repair, and address any concerns you may have.

Don't let a faulty Haas servo motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Haas servo motor repair. We are committed to providing the highest quality service and support to keep your CNC machines running at peak performance.

bottom of page