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Kollmorgen tachometer calibration specialists

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.

Kollmorgen Tachometer Repair Services by Roc Industrial LLC

Is your Kollmorgen tachometer malfunctioning? Roc Industrial LLC provides expert Kollmorgen tachometer repair services to get your equipment back up and running quickly and reliably. We understand the critical role tachometers play in maintaining precise speed and position control in various industrial applications. As a trusted repair provider, Roc Industrial LLC offers fast turnaround times, comprehensive testing, and warranty-backed repairs for a wide range of Kollmorgen tachometer models. Our experienced technicians are equipped to diagnose and resolve even the most complex issues, ensuring your equipment operates at peak performance. We are committed to providing exceptional service and minimizing downtime for our customers.



About Kollmorgen Tachometers

Kollmorgen is a renowned brand in the field of motion control systems, known for its high-performance motors, drives, and feedback devices, including tachometers. Kollmorgen tachometers are precision instruments designed to provide accurate speed feedback in demanding industrial environments. They are integral components in servo systems, ensuring precise control and stability. With a long history of innovation and quality, Kollmorgen has established itself as a leader in the motion control industry.


Kollmorgen tachometers are widely used in a variety of applications, including CNC machines, robotics, automation systems, and manufacturing equipment. Their robust design and reliable performance make them ideal for harsh industrial environments where accuracy and durability are essential. These tachometers are crucial for maintaining consistent speed and position control, contributing to the overall efficiency and productivity of industrial processes. The brand’s commitment to quality and innovation has made Kollmorgen a trusted name among engineers and manufacturers worldwide.



Supported Models & Series

We repair a wide range of Kollmorgen tachometer models and series, including but not limited to:

  • Tach Generators: TG-2720, TG-2730, TG-2740, TG-2750

  • DC Tachometers: Various models within the DC series (please inquire for specific model numbers)

  • AC Tachometers: Various models within the AC series (please inquire for specific model numbers)

  • Brushless Tachometers: B-Series, including B-201, B-202, B-203

  • Custom Tachometer Assemblies: We can also repair custom-designed Kollmorgen tachometers.

  • Older Legacy Models: We have experience repairing older, legacy Kollmorgen tachometer models that may no longer be supported by the manufacturer.

  • Resolver-Based Tachometers: Including models with high-resolution resolvers for precise feedback.

  • Digital Tachometers: Models that output digital signals for direct integration with control systems.


Common Kollmorgen Tachometer Problems We Repair

Kollmorgen tachometers are built to withstand demanding industrial environments, but like any precision instrument, they can experience failures over time. Roc Industrial LLC specializes in diagnosing and repairing a wide range of common issues affecting Kollmorgen tachometers. We understand the importance of accurate speed feedback in maintaining optimal performance, and our experienced technicians are equipped to resolve even the most complex problems.

  • No Output Signal: The tachometer fails to generate any output signal, preventing the control system from receiving speed feedback.

  • Erratic or Unstable Output: The output signal fluctuates erratically, leading to unstable speed control and potential system instability.

  • Low Output Voltage: The output voltage is significantly lower than the expected value, resulting in inaccurate speed readings.

  • Excessive Noise in Output Signal: The output signal is contaminated with excessive noise, making it difficult for the control system to accurately interpret the speed feedback.

  • Encoder Faults: Issues with the encoder, such as damaged or misaligned components, can lead to inaccurate speed readings.

  • Bearing Failure: Worn or damaged bearings can cause excessive vibration and noise, affecting the accuracy and reliability of the tachometer.

  • Contamination: Ingress of contaminants such as dust, oil, or moisture can damage internal components and lead to malfunction.

  • Open or Shorted Windings: Damage to the internal windings can result in a complete failure of the tachometer.

  • Communication Errors: For digital tachometers, communication errors with the control system can prevent proper operation.

  • Overheating: Excessive heat can damage internal components and lead to premature failure.

  • Calibration Drift: The tachometer's calibration may drift over time, resulting in inaccurate speed readings.

  • Broken Shaft: Physical damage to the shaft can render the tachometer unusable.

  • Connector Damage: Damaged connectors can prevent proper signal transmission.


Our Kollmorgen Tachometer Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality repairs for your Kollmorgen tachometers. Our goal is to restore your equipment to optimal performance and minimize downtime. Here's a detailed breakdown of our repair process:

  1. Free Evaluation and Quote: We begin with a free evaluation of your Kollmorgen tachometer to determine the extent of the damage and the necessary repairs. Based on our evaluation, we provide a detailed quote outlining the repair costs and estimated turnaround time.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your tachometer arrives safely at our repair facility. We can also arrange for expedited shipping if required.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, our experienced technicians conduct a thorough diagnosis using specialized test equipment to pinpoint the root cause of the problem. We utilize advanced diagnostic techniques to identify even the most subtle issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing only the faulty components to minimize costs. We use only high-quality replacement parts that meet or exceed the original manufacturer's specifications.

  5. Winding Repair and Rewinding: If the tachometer windings are damaged, we have the capability to repair or rewind them to restore proper functionality. Our winding technicians are highly skilled and experienced in working with Kollmorgen tachometers.

  6. Bearing Replacement and Lubrication: We replace worn or damaged bearings with high-quality replacements and properly lubricate them to ensure smooth and reliable operation.

  7. Encoder Repair and Alignment: If the tachometer includes an encoder, we carefully inspect and repair any encoder-related issues, ensuring proper alignment and accurate feedback.

  8. Calibration and Adjustment: After the repairs are completed, we calibrate and adjust the tachometer to ensure it meets the original manufacturer's specifications for accuracy and performance.

  9. Load Testing and Quality Checks: We perform rigorous load testing and quality checks to verify that the tachometer is functioning properly under realistic operating conditions. This ensures that the repaired tachometer will perform reliably in your application.

  10. Protective Coating and Sealing: We apply a protective coating and seal the tachometer to prevent future damage from environmental factors such as moisture, dust, and corrosion.

  11. Warranty-Backed Return and Support: All of our Kollmorgen tachometer 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 Kollmorgen tachometer repair services to customers nationwide. We understand that downtime can be costly, which is why we offer fast turnaround times and reliable service, no matter where you are located. We serve customers in major metropolitan areas across the United States, including:

  • New York, NY

  • Los Angeles, CA

  • Chicago, IL

  • Houston, TX

  • Dallas, TX

  • Phoenix, AZ

  • Philadelphia, PA

  • San Antonio, TX

  • San Diego, CA

  • San Jose, CA

  • And many more!

We offer a variety of shipping options to meet your needs, including expedited shipping for urgent repairs. Our goal is to minimize downtime and get your equipment back up and running as quickly as possible. Contact us today to learn more about our nationwide Kollmorgen tachometer repair services.



Why Choose Roc Industrial LLC?

When it comes to Kollmorgen tachometer repair, Roc Industrial LLC is the trusted choice for businesses across the nation. 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 Kollmorgen tachometer repairs.

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

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

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, which is why we offer fast turnaround times, often with same-day service available.

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support throughout the repair process. Our friendly and knowledgeable staff is always available to answer your questions and address your concerns.

  • Component-Level Repair Expertise: Our technicians are skilled in component-level repair, allowing us to fix problems that other repair shops might deem unfixable. This saves you money and extends the life of your equipment.

  • Advanced Diagnostic Equipment: We utilize advanced diagnostic equipment to accurately identify the root cause of the problem, ensuring that the repair is done right the first time.

  • Cost-Effective Solutions: We offer competitive pricing and cost-effective repair solutions to help you save money without sacrificing quality.

Don't let a faulty Kollmorgen tachometer slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Kollmorgen tachometer repair. We are your trusted partner for all your industrial electronics repair needs. We also offer Kollmorgen tachometer calibration services to ensure accuracy and reliability.

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