The Main Method Of Testing American 320A Eye Hook

The main method of testing American 320A eye hook

 

The main method of testing the American 320A eye hook: generally using visual inspection, that is, carefully observed with a


 magnifying glass. If necessary, you can use the coloring method or perform flaw detection. The amount of wear on the 


dangerous section can be measured with a caliper or with a caliper; the degree of opening is checked by comparing the 


measured dimension of the caliper with the original size or the opening of the standard hook. Here is a simple and 


applicable method: when the new crane hook is activated, a small hole is punched in each side of the hook opening, and the


 distance between the two holes is measured and recorded. It is used to compare the size of the hook after deformation 


with the future hook to determine the change in the degree of opening. Torsional deformation can be visually measured, 


and can also be measured by the side of the steel ruler. When it is required to be accurate, it can be detected by a ruler on 


the platform.

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