Safety inspection of Hooks

- Jan 11, 2018 -

1, the human-driven lifting mechanism used by the hook to 1.5 times times the rated load as a test load.

2, the power-driven lifting mechanism used by the hook, twice times the rated load as a test load.

3, Hook unloading to check the load, there should be no obvious defects and deformation, opening degree of increase should not exceed the original size of 0.25%.

4, the inspection of qualified hooks, should be in the hook low stress zone printing marks, including the rated weight, plant or factory name, inspection marks, production numbers and so on.


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