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Introduction to the use skills of packaging steel strip thickness gauge
by：Hongmei
2021-03-15
Introduction to the use skills of packaging steel strip thickness gauge
There are two types of thickness gauges: contact type and non-contact type. The contact type thickness gauge has a long measurement cycle, low measurement accuracy, and measurement range. It is used for low-speed, cold-rolled thickness measurement of rolling pieces, non-contact type The non-contact sequencer has been widely used due to its fast response speed, high measurement accuracy, continuous detection, easy computer networking, and automatic thickness control.
Non-contact thickness gauges include X-ray thickness gauges, gamma ray gauges (mainly americium and cesium), ultrasonic, infrared and laser thickness gauges. The first two are radiation gauges. They It is made based on the principle that when rays of a certain energy range pass through the steel plate, the ray attenuation strength has a certain relationship with the thickness of the steel plate. After the rays are emitted by the rays, they are generally absorbed by the steel plate from bottom to top, and the rest When accepted by the detector, when there is no steel plate in the space under test, use the reference plate of known thickness to calibrate.
Modern Thickness Gauge is a set of computer data detection and processing system, which has arithmetic functions (such as calculating and outputting actual thickness deviation according to the input target thickness and actual thickness), self-correction, self-diagnosis and maintenance and other intelligent functions.
γ-rays have stronger penetrating power than X-rays, but it is difficult to achieve higher radiation doses than X-rays. Large radiation dose can achieve low noise and high response speed. X-ray net measuring instrument is suitable for thickness measurement of high-speed production lines such as thin and medium plates. It can be installed at the exit of the hot-rolled strip mill finishing mill, the cold-rolled strip mill exit and the stand. The main meal of the americium gamma ray sequencer For thickness measurement of low- and medium-speed production lines of thin plates, because the 7-ray energy emitted by the Mei isotope is lower than the γ-ray emitted by the cesium isotope, it is easy to shield, and can be used as a small thickness gauge for cold rolling lines. The cesium gamma ray sequencer can be installed at the exit of the hot strip roughing mill, the exit of the thick plate hot finishing mill and its finishing line.
There are two types of thickness gauges: contact type and non-contact type. The contact type thickness gauge has a long measurement cycle, low measurement accuracy, and measurement range. It is used for low-speed, cold-rolled thickness measurement of rolling pieces, non-contact type The non-contact sequencer has been widely used due to its fast response speed, high measurement accuracy, continuous detection, easy computer networking, and automatic thickness control.
Non-contact thickness gauges include X-ray thickness gauges, gamma ray gauges (mainly americium and cesium), ultrasonic, infrared and laser thickness gauges. The first two are radiation gauges. They It is made based on the principle that when rays of a certain energy range pass through the steel plate, the ray attenuation strength has a certain relationship with the thickness of the steel plate. After the rays are emitted by the rays, they are generally absorbed by the steel plate from bottom to top, and the rest When accepted by the detector, when there is no steel plate in the space under test, use the reference plate of known thickness to calibrate.
Modern Thickness Gauge is a set of computer data detection and processing system, which has arithmetic functions (such as calculating and outputting actual thickness deviation according to the input target thickness and actual thickness), self-correction, self-diagnosis and maintenance and other intelligent functions.
γ-rays have stronger penetrating power than X-rays, but it is difficult to achieve higher radiation doses than X-rays. Large radiation dose can achieve low noise and high response speed. X-ray net measuring instrument is suitable for thickness measurement of high-speed production lines such as thin and medium plates. It can be installed at the exit of the hot-rolled strip mill finishing mill, the cold-rolled strip mill exit and the stand. The main meal of the americium gamma ray sequencer For thickness measurement of low- and medium-speed production lines of thin plates, because the 7-ray energy emitted by the Mei isotope is lower than the γ-ray emitted by the cesium isotope, it is easy to shield, and can be used as a small thickness gauge for cold rolling lines. The cesium gamma ray sequencer can be installed at the exit of the hot strip roughing mill, the exit of the thick plate hot finishing mill and its finishing line.
