Asiasiga saogalemu o
mātau
1. The mātau used in the lifting mechanism driven by manpower is tested with 1.5 times the rated load as the inspection load.
2. The mātau used for the power-driven lifting mechanism shall be tested with 2 times the rated load as the inspection load.
3. A uma le
mātauua aveʻese mai le asiasiga avega, e le tatau ona i ai ni manino vaʻaia poʻo le faʻaletonu, ma o le siʻitia o le tatalaina tikeri le tatau ona sili atu i le 0.25% o le uluaʻi tele.
4. Momātaus that have passed the inspection, a mark should be printed in the low-stress area of the mātau, including the rated lifting weight, factory mark or factory name, inspection mark, production number, etc.
Tulaga masani mo
mātausO le
mātautatau ona soloia pe a tupu se tasi o tulaga nei:
â ‘Taʻe;
â`¡ Aʻafiaga mataʻutia ofuina aulia le 10% o le uluaʻi lapoʻa;
â ‘¢ Ua faʻateleina le tikeri amata i le 15% faʻatusatusa i le uluaʻi tele;
④The torsion deformation of the mātau body exceeds 10°;
⑤The dangerous section of the mātau or the neck of the mātau is plastically deformed;
⑥The mātau thread is corroded;
⑦When the wear of the mātau bushing reaches 50% of the original size, the bushing should be replaced;
⑧ Pe a o le mandrel o le fasi
mātauua ofuina i le 5% o le amataga tele, o le mandrel tatau ona suia.