How to check the accuracy of the probe of the video measuring machine?

Introduce: Video measuring machines are widely used in various industries to perform accurate and precise measurements. To ensure the reliability of these measurements, it is critical to regularly check the accuracy of the probe. In this article, we will discuss some simple and easy ways to verify the accuracy of video measuring machine probes.

Method 1: Calibration
Calibration is a basic step in checking the accuracy of any measuring instrument. Please follow these steps to calibrate the probe: Start by selecting a master workpiece (a known object with precise dimensions). Carefully place the main workpiece on the measuring table of the video measuring machine. Use the machine’s software to measure the dimensions of the main workpiece. Compare the measured value to the known value of the master workpiece. If there are any significant deviations, adjust the calibration settings accordingly.

Method 2: Repeatability Testing
Repeatability testing evaluates a probe’s ability to provide consistent results when measuring the same object multiple times. To run this test: Select a test artifact with suitable measurement capabilities. Use the same probe to measure the test piece multiple times. Make sure the probes are positioned consistently. Compare the results obtained for each measurement. If the measurements are consistent and do not vary significantly, this indicates good accuracy.

Method 3: Step Height Measurement
Step height measurement is an effective way to evaluate a probe’s ability to accurately determine height differences. Please follow these steps to perform a step height measurement: Prepare a test artifact with a defined step height. Place the test workpiece on the measuring table of the video measuring machine. Use a probe to accurately measure step height. Compare the measurement to the known step height of the test piece. If measurements vary significantly, adjustments may be needed to improve the probe’s accuracy.

Method 4: Gauge block measurement
Gauge blocks are precision measuring tools commonly used for calibration and accuracy checks. To perform a gage block measurement: Select a gauge block of known length. Place the gauge block on the measuring table and use the probe to accurately measure its length. Compare the measurement to the known length of the gauge block. If there are any significant deviations, adjustments may need to be made to improve the accuracy of the probe.

In conclusion: Regularly checking the accuracy of the probes in your video measuring machine is essential for reliable and accurate measurements. By following the methods discussed in this article, such as calibration, repeatability testing, step height measurements, and gage block analysis, operators can ensure probe accuracy. Remember, accurate measurements lead to better quality control and increased productivity in various industries.


Post time: Oct-16-2023