Many people don't know much about the thickness gage. Thickness gage is a measuring tool that is mainly used to measure the actual thickness of some materials and objects. It is a measuring instrument. In some industrial productions, thickness gauges are often used to measure the thickness of products when some products are sampled. The main materials commonly measured are steel, thin films, and some metals and the like. Next, Xiaobian introduces the method of using the thickness gauge and the precautions for using the thickness gauge.
Thickness gauge use method
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.
Thickness gauge type
1. Laser Thickness Gauge: It is a kind of non-contact dynamic measurement instrument that uses the principle of laser reflection to measure the thickness of the product by measuring and observing the micro-geometry of the part's machining surface in mechanical manufacturing. It can directly output digital signals to connect with industrial computers and quickly process data and output deviation values ​​to various industrial devices.
2. X-ray Thickness Gauge: It is a kind of non-contact dynamic measurement instrument that measures the thickness of X-ray when it penetrates the material to be measured and the intensity of X-ray changes with the thickness of the material. It takes PLC and industrial computer as the core, collects the calculation data and outputs the target deviation value to the thickness control system of the rolling mill to achieve the required rolling thickness. The main application industries: non-ferrous metal sheet metal foil processing, metallurgical industry, strip processing.
3, paper thickness gauge: applicable to the following 4mm of a variety of film, paper, cardboard and other sheet material thickness measurement.
4. Film Thickness Gauge: It is used to measure the thickness of thin film, thin film and other materials. It has wide measuring range and high measuring accuracy. It has the characteristics of data output, zero setting at any position, metric conversion, automatic power off and so on.
5. Ultrasonic Thickness Gauge: Ultrasonic Thickness Gauge is based on the ultrasonic pulse reflection principle to measure the thickness. When the ultrasonic pulse emitted by the probe reaches the material interface through the measured object, the pulse is reflected back to the probe, and the ultrasonic is accurately measured. The time of propagation in the material determines the thickness of the material being tested. Any material that allows ultrasound to propagate inside it at a constant speed can be measured using this principle. It is suitable for measuring the thickness of good conductors of metals (such as steel, cast iron, aluminum, copper, etc.), plastics, ceramics, glass, glass fiber and any other ultrasonic waves.
6, X-ray thickness gauge: Applicable to the production of aluminum, copper, steel and other metallurgical materials for the product of the enterprise, can be matched with the rolling mill, used in hot rolling, casting, cold rolling, foil rolling. Among them, the x-ray thickness gauge can also be used for the automatic control of the thickness of the plate in the production process of cold rolling, foil rolling and partial hot rolling. Coating Thickness Gauge The F-type probe can directly measure the thickness of the non-magnetic coating on the surface of magnetically permeable materials (such as steel, nickel) (eg, paint, plastic, enamel, copper, aluminum, zinc, chromium, etc.). It can be applied to the thickness measurement of electroplated layers, paint layers, enamel layers, aluminum tiles, copper tiles, babbitt alloy tiles, phosphating layers, paper, and also to the thickness measurement of hull paints and underwater structures.
7. Coating Thickness Gauge: Coating Thickness Gauge The coating thickness gauge uses electromagnetic induction to measure the thickness of the coating. The probe located on the surface of the component generates a closed magnetic circuit. As the distance between the probe and the ferromagnetic material changes, the magnetic circuit will change in different degrees, causing changes in the magnetic resistance and the coil inductance of the probe. This principle can be used to accurately measure the distance between the probe and the ferromagnetic material, that is, the thickness of the coating.
Thickness meter use matters needing attention
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.
Editor's summary: The use of thickness gauges and precautions for the use of thickness gauges have been introduced here and hopefully they will help. If you want to know more about yourself, you can follow the information on this site.
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