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Safety Inspection Of Hooks

- Oct 12, 2017 -

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

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

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

4, the inspection of qualified hooks, should be in the low stress area of the hook print mark, including the rated weight, plant or factory name, inspection signs, production numbers and so on.

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