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Servo motor tachogenerator 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.

Servo Motor Tachogenerator Repair Services

Is your servo motor tachogenerator malfunctioning and impacting your critical operations? Roc Industrial LLC specializes in providing fast, reliable, and expert servo motor tachogenerator repair services. We understand the importance of minimizing downtime, and our experienced technicians are dedicated to getting your equipment back up and running quickly. Trust Roc Industrial LLC for all your servo motor tachogenerator repair needs, offering unparalleled expertise and a commitment to quality.



About Servo Motor Tachogenerators

Servo motor tachogenerators are crucial components in many industrial applications, providing feedback on motor speed and position. They are commonly found in CNC machines, robotics, automation systems, and other precision control equipment. A tachogenerator, also known as a tacho-generator, is essentially a small generator that produces a voltage proportional to the rotational speed of the motor. This voltage signal is then used by the servo drive to accurately control the motor's speed and position. The reliability of the tachogenerator is paramount for maintaining the performance and accuracy of the entire system.


Servo motor tachogenerators are used across a wide range of industries, including manufacturing, aerospace, and automotive. Their robust design and precise feedback capabilities make them ideal for demanding applications where accurate speed and position control are essential. However, like any mechanical and electrical component, tachogenerators are subject to wear and tear, and can eventually fail. When this happens, it's crucial to have a reliable repair service provider like Roc Industrial LLC to restore your equipment to optimal performance.



Supported Models & Series

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

  • Siemens Servo Motor Tachogenerators (Various Series)

  • Fanuc Servo Motor Tachogenerators (A06B Series)

  • Allen-Bradley Servo Motor Tachogenerators (1326AS Series)

  • Yaskawa Servo Motor Tachogenerators (UT Series)

  • Indramat Servo Motor Tachogenerators (T Series)

  • Baldor Servo Motor Tachogenerators (Various Models)

  • Pacific Scientific Servo Motor Tachogenerators (SC Series)

  • Kollmorgen Servo Motor Tachogenerators (Goldline Series)

  • ABB Servo Motor Tachogenerators (DSQC Series)

  • Mitsubishi Servo Motor Tachogenerators (HC Series)


Common Servo Motor Tachogenerator Problems We Repair

Servo motor tachogenerators can experience a variety of issues that can lead to decreased performance or complete failure. Our experienced technicians are equipped to diagnose and repair a wide range of problems.

  • No Output Voltage: The tachogenerator fails to produce any voltage signal, indicating a potential issue with the windings, brushes, or internal connections.

  • Erratic Output Voltage: The voltage signal fluctuates erratically, leading to unstable motor control and potential system errors. This can be caused by worn brushes, commutator damage, or loose connections.

  • Low Output Voltage: The output voltage is significantly lower than expected, resulting in reduced motor speed or inaccurate position control. This can be due to demagnetization of the magnets, worn brushes, or increased resistance in the windings.

  • Excessive Noise: The tachogenerator generates excessive electrical noise, interfering with the servo drive's ability to accurately interpret the signal. This can be caused by arcing brushes, commutator contamination, or damaged windings.

  • Mechanical Damage: Physical damage to the tachogenerator housing, shaft, or bearings can lead to misalignment, vibration, and eventual failure.

  • Open Circuit: A break in the internal wiring or connections results in an open circuit, preventing the tachogenerator from producing any output voltage.

  • Short Circuit: A short circuit within the tachogenerator windings can cause overheating, damage to the insulation, and eventual failure.

  • Brush Wear: Over time, the brushes in the tachogenerator wear down, leading to reduced contact with the commutator and decreased output voltage.

  • Contamination: Dirt, oil, or other contaminants can accumulate on the commutator, interfering with brush contact and causing erratic output voltage.

  • Bearing Failure: Worn or damaged bearings can cause excessive vibration, noise, and eventual failure of the tachogenerator.


Our Servo Motor Tachogenerator Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality servo motor tachogenerator repairs. Our process is designed to identify the root cause of the problem and restore your equipment to optimal performance.

  1. Free Evaluation and Quote: We begin with a free evaluation of your servo motor tachogenerator to determine the extent of the damage and the necessary repairs. We then provide you with a detailed quote outlining the cost of the repair.

  2. Shipping Instructions: Once you approve the quote, we provide you with detailed shipping instructions to ensure your equipment arrives safely at our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use specialized test equipment to thoroughly diagnose the problem. This includes testing the output voltage, resistance, insulation, and mechanical condition of the tachogenerator.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This may include replacing brushes, bearings, windings, or other damaged parts.

  5. Load Testing and Quality Checks: After the repair is complete, we perform load testing to ensure the tachogenerator is functioning properly under realistic operating conditions. We also conduct thorough quality checks to verify the repair meets our strict standards.

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


Nationwide Repair Services

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


Our nationwide service network allows us to quickly and efficiently serve customers across the country. We have established relationships with reliable shipping providers to ensure your equipment arrives safely and on time. Our goal is to provide you with the fastest and most convenient servo motor tachogenerator repair services possible, regardless of your location.



Why Choose Roc Industrial LLC?

When it comes to servo motor tachogenerator repair, Roc Industrial LLC is the trusted choice for businesses across the country. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition.

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

  • Warranty-Backed Repairs: All of our repairs are backed by a comprehensive warranty, giving you peace of mind knowing that your equipment is protected.

  • Thousands of Parts in Stock: We maintain a large inventory of servo motor tachogenerator parts, allowing us to quickly and efficiently complete repairs.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, so we offer fast turnaround times, often completing repairs the same day.

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support, from the initial evaluation to the final repair and beyond.

Don't let a faulty servo motor tachogenerator slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable servo motor tachogenerator repair.

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