Crane lifting equipment hook
time:Oct 19,2016
Can the Crane lifting equipment hook make up by welding?
No, the hook of the Crane lifting equipment can not be welded to repair. It is because the hook can not reach the original quality standard after the welding, can not completely eliminate the stress concentration problem in the welding process. May generate cracks, so hook repair by welding is forbidden. Crane lifting equipment industry department once civilized regulations, when the vertical height of the hook wear reaches 10% of the original specifications, it should be scrapped, replace the new hook, can not be repaired welding again. When the Crane lifting equipment hook reaches the following scrap standard, it should be replaced:
No, the hook of the Crane lifting equipment can not be welded to repair. It is because the hook can not reach the original quality standard after the welding, can not completely eliminate the stress concentration problem in the welding process. May generate cracks, so hook repair by welding is forbidden. Crane lifting equipment industry department once civilized regulations, when the vertical height of the hook wear reaches 10% of the original specifications, it should be scrapped, replace the new hook, can not be repaired welding again. When the Crane lifting equipment hook reaches the following scrap standard, it should be replaced:
1. The hook distortion is greater than 10 °;
2. The degree of wear hook is greater than the original 10%;
3. The hook appears cracks;
4. Hook neck or dangerous section appear plastic deformation;
5. Hook opening size is greater than the original size of 15%.
