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Home Blog What Are Metrology Fixturing Tables?

What Are Metrology Fixturing Tables?

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Fixturing tables are used in many industries to help provide stability and precision, particularly when machining or welding components. Metrology fixturing tables offer a similar function, except these tables help technicians and engineers accurately measure, inspect, or modify tooling fixtures or manufactured components. The purpose is still the same (providing stability and ensuring precision), but the application is different.

Applications

The primary application of metrology fixturing tables is to assist with inspection-related tasks, including:

  • Quality Control: These tables can be used to verify the dimensional accuracy of machined parts, ensuring they meet specified tolerances.
  • Batch Inspections: Metrology fixturing tables allow inspectors to quickly evaluate multiple parts in batches. In fact, some fixturing tables are modular, meaning they have a grid of threaded holes or T-slots that can accept different types of components and accommodate parts of different sizes and shapes.
  • Assembly Verification: These tables can also be used to verify the accuracy of assembled components (e.g., alignment and fit).
  • PCB Inspections: Metrology tables can be used to measure the dimensional accuracy of PCBs and ensure the components on the boards are placed and soldered correctly.
  • Equipment Calibration: These tables can even help provide a stable platform when calibration and testing inspection equipment.

Benefits

  • Accuracy: Metrology tables provide a flat and stable surface, ensuring minimal movement of a workpiece during inspection, helping ensure accurate, repeatable measurements, especially in environments where multiple inspections are carried out over time.
  • Customization: Many metrology tables are modular, which we discussed earlier. This allows them to be customized for different applications, making it possible to adjust the height, orientation, and positioning of different fixtures.
  • Compatibility: These tables can be used with all types of measurement instruments, including CMMs, laser scanners, cameras, and probes.
  • Integration Capabilities: Some metrology tables can be integrated with automated measurement systems, like robotic arms.

Types of Tables

Metrology tables are generally classified by the material they’re constructed from, which can include steel, aluminum, and advanced composite materials.

Steel

Steel tables are heavy-duty and extremely durable, which makes them great for industrial settings where they need to be able to handle heavier loads or perform large-scale measurements.

Aluminum

Aluminum is a preferred material due to its lightweight nature. Despite being lightweight, aluminum is still strong and less prone to rust than steel, which makes it ideal for cleanrooms or environments where mobility and corrosion resistance are needed.

Composite Materials

Composite metrology tables have high strength, low weight, and excellent thermal stability. Because of these characteristics, composite materials are commonly found in highly controlled environments, like electronic laboratories, where minimal thermal expansion and high dimensional stability are needed.

Other Types

In addition to material, metrology tables can be classified as “adjustable height,” “vibration isolation,” or “modular.”

Adjustable height, as you can guess, means that the table has a mechanism that allows its height to be adjusted. Vibration isolation tables have damping systems or other technologies in them to protect equipment or workpieces from vibrations. Lastly, modular tables have a customizable layout that can be adapted to meet various measurement needs and are ideal for dynamic environments that need quick reconfiguration when inspecting different types of parts.

Where to Find Fixture Tables

Rayco Fixture is an industry-leading manufacturer of metrology fixture tables. Our fixture tables include foot-operated floor locks for enhanced security, bottom shelves for storage, custom sizing, and engraved X-axis and Y-axis numbers and letters. The width and length of the table are customizable, as well as the width, amount, and thread size of the holes within the table. We can even design a custom modular plate. Please note that our standard tables do not include mounting holes. We are happy to add mounting holes to your fixture table at no additional cost.

Please visit our website to learn more about our options, or click here to get help from one of our experts.

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