Nnyocha nchekwa na ọkọlọtọ nke nko

Nnyocha nchekwa nkenko
1. The nko used in the lifting mechanism driven by manpower is tested with 1.5 times the rated load as the inspection load.
2. The nko used for the power-driven lifting mechanism shall be tested with 2 times the rated load as the inspection load.
3. Mgbenkoewepụrụ na ibu nyocha, ekwesighi inwe ntụpọ ma ọ bụ nkwarụ, yana mmụba nke ogo mmeghe ekwesịghị gafere 0.25% nke nha mbụ.

4. Makankos that have passed the inspection, a mark should be printed in the low-stress area of the nko, including the rated lifting weight, factory mark or factory name, inspection mark, production number, etc.

Ụkpụrụ Scrap makankos
NdịnkoA ga -ewepụrịrị ya mgbe otu n'ime ọnọdụ ndị a mere:
‘Gbara;
Uwe mgbokwasị dị ize ndụ ruru 10% nke nha mbụ;
â 'A ga -eji nzere mbụ amụba site na 15% ma e jiri ya tụnyere nha mbụ;
④The torsion deformation of the nko body exceeds 10°;
⑤The dangerous section of the nko or the neck of the nko is plastically deformed;
⑥The nko thread is corroded;
⑦When the wear of the nko bushing reaches 50% of the original size, the bushing should be replaced;
'' Mgbe mandrel nke ibenkoa na -eyi ya ruo 5% nke nha izizi, ekwesịrị dochie mandrel.