News

The hook should be scrapped when one of the following conditions occurs:

　①Crack;

② The wear of the dangerous section reaches 10% of the original size;

③The opening is increased by 15% compared to the original size;

④The torsional deformation of the hook body exceeds 10°;

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

　⑥The thread of the hook is corroded;

⑦ When the blade hook bushing is worn to 50% of the original size, the bushing should be replaced;

⑧When the wear of the hook spindle reaches 5% of the original size, the spindle should be replaced.

The hook should be scrapped when one of the following conditions occurs:

　①Crack;

② The wear of the dangerous section reaches 10% of the original size;

③The opening is increased by 15% compared to the original size;

④The torsional deformation of the hook body exceeds 10°;

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

　⑥The thread of the hook is corroded;

⑦ When the blade hook bushing is worn to 50% of the original size, the bushing should be replaced;

⑧When the wear of the hook spindle reaches 5% of the original size, the spindle should be replaced.