Causes of Common Measurement Errors of Flash Measuring Instrument and Troubleshooting & Calibration Methods

2026-08-07

Source: Wanvei Editor

The flash measuring instrument features extremely high overall stability and rarely fails under normal working conditions. Most measurement data deviations are caused by external factors such as external environment, workpiece status, parameter settings and improper equipment placement. Targeted troubleshooting and calibration can effectively solve the problem of measurement errors.

1. Measurement Errors Caused by Workpiece Problems and Solutions

Impurities such as oil stains, dust and burrs attached to the workpiece surface, or the strong light transmission and reflection characteristics of the workpiece itself will directly interfere with the edge recognition accuracy of the equipment and cause dimensional measurement deviations.

Troubleshooting and Calibration Methods: Thoroughly clean the workpiece surface before measurement to remove impurities including oil stains, dust and burrs. For workpieces with light transmission and reflection properties, switch to the corresponding light source mode of the equipment to eliminate optical recognition interference and ensure the accuracy of edge collection.

2. Measurement Errors Caused by Environmental Problems and Solutions

Vibration on the equipment placement ground, strong light direct irradiation on the lens in the workshop, and excessive ambient temperature fluctuation will cause equipment imaging jitter and image distortion, greatly affecting the measurement accuracy and resulting in data errors.

Troubleshooting and Calibration Methods: Fix the equipment on a stable and shock-proof special table to eliminate vibration interference. Place the equipment away from areas with direct strong light. Maintain a constant temperature in the workshop to reduce the impact of temperature fluctuation on equipment imaging and component stability.

3. Measurement Errors Caused by Parameter Setting Problems and Solutions

Improper adjustment of equipment edge recognition threshold, noise reduction parameters and focal length will lead to missed and false detection of workpiece features, resulting in deviations in measurement data.

Troubleshooting and Calibration Methods: Precisely calibrate the equipment focal length again, reset core parameters such as edge recognition and noise reduction, optimize the measurement template program to meet the measurement requirements of different workpieces, and avoid errors caused by inappropriate parameter adaptation.

4. Measurement Errors Caused by Expired Equipment Calibration and Solutions

If the equipment is used continuously for a long time without regular standard block calibration, fixed systematic deviations will occur, leading to inaccurate long-term measurement data.

Troubleshooting and Calibration Methods: Regularly calibrate the equipment accuracy with standard calibration sheets and gauge blocks, correct systematic errors in a timely manner, and ensure that the equipment measurement accuracy meets standard requirements.

Daily Maintenance Tips to Avoid Errors

In daily use, regularly clean the equipment lens, measurement table and light source components, and operate the equipment in strict accordance with standard procedures. This can effectively eliminate most human and environmental measurement errors, and ensure the long-term stability and accuracy of measurement data of the flash measuring instrument.