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What factors affect industrial inspection camera?

2018-10-29

Industrial inspection camera equipment is increasingly used in industry, bringing great convenience to life and industrial work. So, do you know the main factors that affect the detection of industrial inspection camera equipment? The main factors affecting industrial inspection camera are as follows.
1. Lighting conditions. inspection camera testing mostly uses an inspection camera with its own light source for illumination. Under normal conditions, the inspection camera is required to detect that the color temperature of the illumination source is not less than 5600K, and the illumination intensity is not less than 2600lm.
2. Probe position and angle. It is usually best to observe images within the range of 5 to 25 mm from the detection area, so it is often necessary to have the endoscopic probe as close as possible to the observation point. The probe and the observation plane can achieve better observation in the range of 45 ゚~90 ,. In practice, the position and angle of the probe and the observation point are repeatedly changed to find a suitable observation position, and the best detection is obtained. effect.
3. Channel. When selecting the channel, it should be as close as possible to the position to be detected. Select the channel with the shortest length to minimize the number and degree of bending of the probe. First consider the channel from top to bottom and from high to low. Priority is given to the wide channel. Tooling is recommended. To ensure the correct direction of the probe in the product channel; it should be carried in the channel by the method of observation while passing.
4. Distortion of the image. Observing the deformation phenomenon caused by the object through the lens, the image is distorted as the distance from the center of the lens to the edge increases. Distortion of the image will affect the judgment and measurement of the defect. The distortion of the image is large when the straight mirror and the fiberscope are observed, and the video inspection camera can be corrected by the computer.
5. Resolution, magnification, detectable minimum defects. These are the technical indicators of the inspection camera itself, which can directly affect the results of the detection.
6. The reflectivity of the surface of the object. Different object surfaces have different reflectivities, which are related to the material of the object and the roughness of the surface. Therefore, the actual detection should be based on the specific circumstances of the inspection camera illumination to obtain clear and useful results.

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