1. The kuka used in the lifting mechanism driven by manpower is tested with 1.5 times the rated load as the inspection load.
2. The kuka used for the power-driven lifting mechanism shall be tested with 2 times the rated load as the inspection load.
3. Nakonkukaako se ukloni s inspekcijskog opterećenja, ne bi trebalo biti očitih nedostataka ili deformacija, a povećanje stupnja otvaranja ne smije prelaziti 0,25% izvorne veličine.
4. Zakukas that have passed the inspection, a mark should be printed in the low-stress area of the kuka, including the rated lifting weight, factory mark or factory name, inspection mark, production number, etc.
Thekukatreba ukloniti ako se dogodi jedna od sljedećih situacija:
â ‘pukotina;
„Opasno trošenje presjeka doseže 10% originalne veličine;
â '¢ Stepen otvaranja je povećan za 15% u odnosu na originalnu veličinu;
④The torsion deformation of the kuka body exceeds 10°;
⑤The dangerous section of the kuka or the neck of the kuka is plastically deformed;
⑥The kuka thread is corroded;
⑦When the wear of the kuka bushing reaches 50% of the original size, the bushing should be replaced;
⑧ Kad je trn komadakukaako se nosi do 5% originalne veličine, trn treba zamijeniti.