Hooks should pay attention to the environment conditions used together with the rigging, and shall not use twisted rigging. The hook in the lifting process, lifting the goods prohibited by the collision and impact. It must pay attention to maintenance work. In order to ensure the safety of the test on the hook, if it is found that the following circumstances, should be scrapped.
1、Cracks appear .
2、The wear volume of dangerous section is not greater than the original height of 5%.
3、The opening is 15% higher than the original one.
4、Torsional deformation exceeding 10 degrees .
5、Plastic deformation of dangerous section or neck of hook .
It is also important to note that the above defects of the hook should not be welded and repaired.
PINTEJIN Rigging lifting sling now has become leading enterprise in China. And we are creating the largest-scale and metal forging workshop.PINTEJIN has the complete production line from raw material to finished products. Each processing has independent workshop, making lifting sling, ratchet strap, car towing belt from 0.5T to 3000T. We are capable of finishing big order quickly.