Precautions When Using The 320A Eye Hook

Precautions when using the 320A eye hook

 

  The 320A eye hook should pay attention to the environmental conditions when used in conjunction with the rigging, and 


the rigging must not be twisted and knotted. During the lifting process, the hooks are strictly prohibited from being 


impacted and impacted.


At present, the eye hooks are generally forged single hooks, the cast hooks are not allowed on the crane, and the eye hooks 


are widely made of low carbon steel and carbon alloy steel.


Hooks are used to connect cranes and heavy objects, and their maintenance must be valued. For this reason, when the 


lifting height limiter or the hook locking device of the hook is broken or damaged, it is absolutely not allowed to be used 


again; as for the unlicensed employment, the leadership responsibility shall be investigated. In order to ensure safety, the 


hooks shall be inspected and shall be scrapped when one of the following conditions is found.


1 crack occurred;


2 The wear amount of the dangerous section is not more than 5% of the original height according to the hook manufactured by GBl0051.2; the hook manufactured according to the industry standard shall be greater than 10% of the original size;


3 opening degree increased by 15% than the original;


4 Torsional deformation exceeds 10 degrees;



5 Plastic deformation of the dangerous section or the hook neck;


When the wear of the 6-plate hook bushing reaches 50% of the original size, the core sleeve should be scrapped.


When the wear of the 7-plate hook mandrel reaches 5% of the original size, the mandrel should be scrapped.


It is also important to note that the above defects of the hook must not be welded.

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