Synthetic fiber slings xws li yoog raws tiaj tiaj thiab Dyneema slings yuav tsum tau muab pov tseg rau hauv ib qho ntawm cov xwm txheej hauv qab no:
1. Thaum lub webbing (nrog rau lub hau tiv thaiv) hnyav hnyav, perforated, txiav, los yog torn.
2. Cov ntsaws ruaj ruaj yog qhib thiab cov sutures tawg.
3. Lub sling fiber ntau softens, muaj hnub nyoog, ua tsawg elastic, thiab tsis muaj zog nws lub zog.
4. Lub fiber nto yog ntxhib thiab yooj yim tev tawm.
5. Muaj ib tug tuag tes tuag taw.
6. Qhov saum npoo ntawm txoj hlua muaj ntau qhov taw tes xoob, corrosion, acid thiab alkali kub hnyiab, thiab thermal melting los yog scorching.
7. Lub cordon nrog lub liab cordon sling yog nthuav tawm.
Txhua hom slings yuav tsum tau siv raws li nram no specifications:
1. Ua ntej siv txhua zaus, xyuas kom cov hlua tsis puas.
2. Siv cov khoom tiv thaiv kom cais cov npoo ntawm cov hlua thiab cov khoom thauj.
3. Lub sling hloov tau yuav tsum tsis txhob knotted.
4. Thaum hoisting, lub sling thiab load yuav tsum tsis txhob rub.
5. Tsis txhob poob siab lossis vibration loads.
6. Txoj hlua txaus ntshai tsis tas yuav kho.
7. Ua ntej siv txoj hlua khi, thov ua tib zoo nyeem cov qauv siv thiab ib puag ncig ntawm daim ntawv lo.
8. Thov siv nyob rau hauv qhov ntsuas load, nruj me ntsis overload, thiab xyuam xim rau kev nyab xeeb.
Cov saum toj no yog cov kev siv tshwj xeeb thiab cov qauv siv rau cov khoom siv hluavtaws xws li slings hloov tau yooj yim, tiaj tus slings, thiab uhmwpe slings.
