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　　Cranes are widely used in modern production. Correct use and frequent inspection and maintenance are a good maintenance method for machines. During the use of hooks, the crane hook is considered a dissipative component. During normal use, users should pay attention to the quality of the crane hook surface and internal quality, and pay attention to the safety hazards of the crane hook, as follows:

　　1. The crane hook surface should be smooth and not have cracks. , Defects such as acute angles, burrs, and cracks;

　　2. There must be no defects such as cracks, white spots and inclusions that affect their safe use;

　　3. The wear of the dangerous section of the crane's hook shall not reach 10% of the original size;

　　4. The defects on the hook of the crane's accessories are not allowed to be welded;

　　5. The opening degree shall comply with the provisions of 5.2 in GB10051;

　　6. The dangerous section of the hook of the crane or the hook handle shall not be plastically deformed;

　　7. The twisting deformation of the hook of the crane's accessories, that is, the twisting angle of the hook body shall not exceed 10. ;

　8. The threads of the crane hook must not be corroded.

　　Cranes are widely used in modern production. Correct use and frequent inspection and maintenance are a good maintenance method for machines. During the use of hooks, the crane hook is considered a dissipative component. During normal use, users should pay attention to the quality of the crane hook surface and internal quality, and pay attention to the safety hazards of the crane hook, as follows:

　　1. The crane hook surface should be smooth and not have cracks. , Defects such as acute angles, burrs, and cracks;

　　2. There must be no defects such as cracks, white spots and inclusions that affect their safe use;

　　3. The wear of the dangerous section of the crane's hook shall not reach 10% of the original size;

　　4. The defects on the hook of the crane's accessories are not allowed to be welded;

　　5. The opening degree shall comply with the provisions of 5.2 in GB10051;

　　6. The dangerous section of the hook of the crane or the hook handle shall not be plastically deformed;

　　7. The twisting deformation of the hook of the crane's accessories, that is, the twisting angle of the hook body shall not exceed 10. ;

　8. The threads of the crane hook must not be corroded.