Air Micrometer Reading Instability
In high-precision part inspection, the Air Micrometer is a crucial tool for verifying part dimensions and accuracy.
However, in this case study, the Air Micrometer exhibited operational issues, particularly abnormal movement of the float inside the device and frequent sticking, leading to unstable readings and requiring regular cleaning or part replacement.
On-Site Problems Encountered
The factory found that the Air Micrometer's float often stuck or moved unevenly, resulting in measurement uncertainty and requiring more frequent maintenance than usual.
The problems encountered included:
- Abnormal float movement
- Float sticking inside the glass tube
- Frequent glass cleaning required
- Measurement gauge glass replacement required
- Unstable measurement readings
- Risk of glass breakage from tapping to dislodge the float
In some cases, users attempted to tap the stuck float to dislodge it, which instead led to glass breakage and additional repair costs.
Cause Found: The Problem May Not Be the Glass, But Compressed Air
Initially, it might be thought that the problem stemmed from the glass or internal components of the Air Micrometer. However, upon inspection, it was found that the true cause might be the quality of the compressed air used.
If the compressed air contains contaminants such as water, oil, oil mist, dust, or small particles, these impurities can accumulate inside the Air Micrometer's glass tube.
When contaminants build up inside the measuring instrument, it can cause the float to move unevenly, stick, and lead to unstable readings.
Why Contaminated Compressed Air Affects Air Micrometers
The Air Micrometer relies on compressed air to operate, so the quality of the compressed air directly impacts measurement accuracy and stability.
If the compressed air is contaminated with oil mist, oil, or fine dust, these can accumulate within the airflow path and glass tube, causing abnormal float movement and inaccurate readings.
Even though the contaminants may be very small, continuous accumulation over time can lead to measuring instrument problems and increase maintenance workload.
Solution: Install a 3-in-1 Multi Dry Filter
To address the compressed air quality issue, a 3-in-1 Multi Dry Filter was installed in the compressed air system used with the Air Micrometer.
The 3-in-1 Multi Dry Filter is a compressed air filter that helps reduce contaminants in the air system, such as water, oil, oil mist, dust, and small particles, making the compressed air cleaner before it enters the measuring instrument.
This product is suitable for factories unsure about their compressed air quality or experiencing measuring instrument malfunctions due to potentially contaminated compressed air.
Filter Selection Should Be Based on Each Factory's Compressed Air Condition
The compressed air system environment varies from factory to factory. Some factories may have high humidity, others may have oil mist from compressors, and some may have fine dust in the air system.
Therefore, when selecting a compressed air filter, consider the actual on-site conditions, the existing compressed air quality, and the nature of the measuring instrument's use to ensure the chosen filter is appropriate and effectively reduces problems.
Results After Installation
After installing the 3-in-1 Multi Dry Filter, measuring instrument problems were reduced, and readings became more stable.
The results obtained include:
- Smoother float movement
- Reduced float sticking problems
- Reduced frequency of glass cleaning
- Reduced risk of glass breakage due to improper use
- Improved measurement stability
- Reduced measuring instrument problems caused by dirty compressed air
Improving compressed air quality helps the Air Micrometer perform better, reduces maintenance workload, and increases confidence in quality inspection tasks.
What Applications Is the 3-in-1 Multi Dry Filter Suitable For?
The 3-in-1 Multi Dry Filter is suitable for factories experiencing these problems:
- Unstable Air Micrometer readings
- Frequent float sticking
- Frequent cleaning or replacement of glass required
- Compressed air contaminated with water, oil, or oil mist
- Desire to reduce measuring instrument problems
- Desire to increase measurement accuracy and stability
- Unsure about the factory's compressed air quality
- Desire to prevent problems caused by dirty compressed air
Conclusion
This case study demonstrates that unstable Air Micrometer readings or abnormal float movement may not be directly caused by the glass or instrument components, but rather by contaminated compressed air.
When compressed air contains water, oil, oil mist, dust, or small particles, these contaminants can accumulate inside the measuring instrument, causing the float to stick and affecting the stability of the readings.
Therefore, installing a 3-in-1 Multi Dry Filter is one approach to reduce oil mist and contaminants in compressed air, prevent Air Micrometer problems, and increase measurement accuracy and stability.
If your factory is experiencing unstable Air Micrometer readings, sticking floats, or frequent instrument cleaning, checking the compressed air quality and selecting an appropriate filter may help reduce problems and improve efficiency in quality inspection tasks.
Read more product details at: https://thai.fakiki.com/pages/3-in-1-multi-dry-filter
