Compared with manual examination, endoscopy solves many technical difficulties that cannot be examined manually. The industrial environment is usually very complex, such as in extremely narrow positions of pipelines, toxic environments, etc. The pipeline endoscope can replace manual inspection work, timely grasp the internal situation of the environment, such as whether there are defects or cracks in welding quality, timely detect and solve problems, and ensure production safety.
Industrial endoscopes can be used in high-temperature, toxic, and nuclear environments, and can be used in various fields such as automobiles, aviation, pipelines, and mechanical manufacturing. Moreover, the most important thing is that it can be connected to computers and cameras to form cameras and image processing systems, in order to better record, store, and analyze detected objects, identify problems, and solve equipment failure problems. In addition, industrial endoscopes are very easy to use, and maintenance of machinery and equipment does not require significant costs and manpower, as well as nuclear and hydroelectric power plants.
Industrial endoscopes are widely used as multidisciplinary tools, providing great assistance to people's manufacturing technology.
There are many commonly used testing methods in the field of non-destructive testing. Industrial endoscopes have the characteristic of directly observing surface defects, and various metal and non-metallic materials can be tested, such as various food and drug storage tanks, oil and gas storage tanks, various pipeline internal defects, and boiler internal defects, which have very good results in surface testing.
How does industrial video endoscopy detect internal defects in objects?
(1) Cracks. When a beam of light illuminates the surface of the tested object and black or bright lines are observed, and under a certain magnification, the lines have irregular edges, it is determined as cracks. When the crack is wide, the measurement influence line of the measurable probe will bend.
(2) Peeling. When the beam of light shines in parallel, shadows are observed behind the raised part; By changing the angle of the beam irradiation, it is observed that there is a clear boundary between the surface protrusion and the surrounding object being tested, and it is determined as peeling.
(3) Pull wires and scratches. Under the illumination of a beam of light, it is observed that there are relatively regular continuous long lines on the surface, and it is determined to be a stay wire.
(4) Pits and protrusions. When the beam is illuminated at a certain angle, it is connected to the boundary of the surrounding object and has no boundary. The area near the light source has shadows, while the area far from the light source has bright shadows, which are pits. When the beam is illuminated at a certain angle, it is connected to the boundary of the surrounding object and has no boundary. The raised part has bright shadows, and the shadow behind it is a pit. When the pit is deep or the protrusion is high, the measuring line of the measurable probe will bend.
The above is all about how industrial endoscopes determine whether there are defects in the internal environment. If you want to learn more about this, please feel free to consult me.
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