Daily maintenance precautions for the camera

[ Huaqiang Security Network News ] Daily maintenance precautions for cameras
Daily maintenance precautions for the camera
Cameras generally need to work 24 hours a day, so the maintenance of the camera can extend the life of the camera and ensure the stability of the camera image. The following points should be noted.
Pay attention to the stability of the camera voltage, otherwise it will affect the image and even cause the camera to be damaged.
Always check the wire for damage and aging, to avoid abnormal conditions;
Should avoid direct sunlight or strong light for a long time, so as not to cause damage to the camera CCD;
It is necessary to clean the dome camera frequently, such as cleaning the surface of the camera's outer casing frequently, and try not to open the casing. If it needs to be turned on, power off first;
Create camera files for easy inspection and testing in the future.

Spiral Tap is more suitable for machining blind hole threads, and the chips are backwards during machining. Due to the helix angle, the actual cutting front angle of the tap increases as the helix angle increases. According to experience, the helix angle of the processed ferrous metal is selected to be smaller, generally around 30 degrees, to ensure the strength of the helical teeth. When processing non-ferrous metals, the helix angle is chosen to be a little larger, and it can be cut at about 45 degrees.

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