The 400*400 pixels camera module is one of the instruments for detecting internal quality in the industry. Its existence can not only save labor costs, but also greatly improve work efficiency and maintenance accuracy. The 400*400 pixels camera module can accurately observe the internal surface structure or working state of the object without destroying the external structure of the detected object.

1. Gap:

There is a welding gap problem in the internal structure. After the beam is irradiated, when you find a suitable irradiation angle, you will see the connection with the molten metal without any protrusions.

2. Pull lines and scratches:

For drawing lines and scratches, only under the condition of beam irradiation, there are relatively regular and continuous long lines on the surface of the tested object, which are called drawing lines and scratches.

3. Cracks:

Observe their cracks, when the beam of the 400*400 pixels camera module shines on the surface of the object, if the worker sees black or bright lines, and shows certain magnified, irregular edges around the lines, the internal structure can be obtained Cracked conclusion.

4. Corrosion:

If the internal structure is corroded, when the light shines down, a large number of block-like and point-like surface structures will appear. After a certain magnification, the surface will be uneven.

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