Thickness Gauge Usage Thickness Gauge Precautions Inventory
2020-06-18 15:13:02
It may be that many friends are not familiar with thickness gauges. In simple terms, thickness gauges are instruments that measure thickness. It is commonly used in industrial production to measure the thickness of a product continuously or by sampling. There are ultrasonic thickness gauges that use ultrasonic frequency changes; eddy current thickness gauges that use the vortex principle; and thickness gauges that use mechanical contact measurement principles. Here is a small series to introduce the use of thickness gauges and precautions.
[Measurement principle has roughly five types]
1. Radiometric Thickness Measurement: The cost of instruments using this method is very high, and they are generally used only on special occasions.
2. Eddy current thickness measurement method: It is suitable for measuring the thickness of non-conductive layer of conductive metal, but the accuracy is relatively low.
3. Magnetic thickness measurement method: It is suitable to measure the thickness of the non-magnetic conductive layer of magnetic material. Generally used in: iron, steel, silver and other materials. The measurement accuracy is relatively high.
4. Electrolytic Thickness Measurement: This method is different from other methods in that it requires the destruction of the plating layer and the accuracy is not high. It is relatively cumbersome than other thickness measurement methods.
5. Ultrasonic Thickness Measurement: Suitable for applications where thicker and thicker coatings are used to measure thickness and magnetic thickness measurements and eddy current thickness measurements are not possible. However, the price is higher and the accuracy is not high.
[How to use the thickness gauge]
When measuring, first of all prepare steps, such as the probe's inserting link and the machine's switch. After turning on the power, when the screen has displayed the information before the last shutdown, the representative can start the operation.
Then, for the adjustment of the speed of sound, the adjustment of the speed of sound is necessary. When the VEL key is pressed, the speed of sound can be adjusted, and the keys with the up and down symbols can assist the adjustment.
After adjusting the speed of sound, calibration must be started. Calibration is necessary. Whether the battery or the probe is replaced, the machine should be calibrated. A bad calibration will affect the measured data.
Finally, measurements are taken and the probe is coupled to the material to be measured and the measurement is automatically performed. The specific measurement data is displayed on the screen.
[The use of thickness gauge precautions]
When the sample is first tested, it is a test piece that needs to be tested. The metal magnetic properties of the test piece and the roughness of the test piece performance should be similar to the parameters of the standard collective and the closer they are, the better.
Second, during the measurement, the verticality of the thickness gauge and the test piece should always be maintained.
Third, the constant pressure that should be exerted during the pressure measurement is constant. If the pressure is not very stable, the accuracy of the measurement result will be affected.
Fourth, to ensure that when measuring, there is no electromagnetic field around the instrument will interfere with the work of the instrument, if some of the electrical appliances will affect the surrounding magnetic field, then it will also affect the accuracy of the measurement value of the thickness gauge.
Xiaobian epilogue: The above introduced the use of the thickness gauge , and we hope to help everyone. For more relevant knowledge, please continue to pay attention to this website information platform. Follow-up will present more exciting content for everyone.
[Measurement principle has roughly five types]
1. Radiometric Thickness Measurement: The cost of instruments using this method is very high, and they are generally used only on special occasions.
2. Eddy current thickness measurement method: It is suitable for measuring the thickness of non-conductive layer of conductive metal, but the accuracy is relatively low.
3. Magnetic thickness measurement method: It is suitable to measure the thickness of the non-magnetic conductive layer of magnetic material. Generally used in: iron, steel, silver and other materials. The measurement accuracy is relatively high.
4. Electrolytic Thickness Measurement: This method is different from other methods in that it requires the destruction of the plating layer and the accuracy is not high. It is relatively cumbersome than other thickness measurement methods.
5. Ultrasonic Thickness Measurement: Suitable for applications where thicker and thicker coatings are used to measure thickness and magnetic thickness measurements and eddy current thickness measurements are not possible. However, the price is higher and the accuracy is not high.
[How to use the thickness gauge]
When measuring, first of all prepare steps, such as the probe's inserting link and the machine's switch. After turning on the power, when the screen has displayed the information before the last shutdown, the representative can start the operation.
Then, for the adjustment of the speed of sound, the adjustment of the speed of sound is necessary. When the VEL key is pressed, the speed of sound can be adjusted, and the keys with the up and down symbols can assist the adjustment.
After adjusting the speed of sound, calibration must be started. Calibration is necessary. Whether the battery or the probe is replaced, the machine should be calibrated. A bad calibration will affect the measured data.
Finally, measurements are taken and the probe is coupled to the material to be measured and the measurement is automatically performed. The specific measurement data is displayed on the screen.
[The use of thickness gauge precautions]
When the sample is first tested, it is a test piece that needs to be tested. The metal magnetic properties of the test piece and the roughness of the test piece performance should be similar to the parameters of the standard collective and the closer they are, the better.
Second, during the measurement, the verticality of the thickness gauge and the test piece should always be maintained.
Third, the constant pressure that should be exerted during the pressure measurement is constant. If the pressure is not very stable, the accuracy of the measurement result will be affected.
Fourth, to ensure that when measuring, there is no electromagnetic field around the instrument will interfere with the work of the instrument, if some of the electrical appliances will affect the surrounding magnetic field, then it will also affect the accuracy of the measurement value of the thickness gauge.
Xiaobian epilogue: The above introduced the use of the thickness gauge , and we hope to help everyone. For more relevant knowledge, please continue to pay attention to this website information platform. Follow-up will present more exciting content for everyone.
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