Intsomi ethe gqolo kushishino lokurhwaphiliza ibambelele ekubeni ukuphakamisa izilingi 'yenye nje efikelelekayo' kwintambo yocingo—indawo yokonga indleko yezicelo ezingabalulekanga kangako. Inyaniso yahluke ngokupheleleyo. Izilingi zokunyusa ezenziweyo zibonelela ngokhuseleko olubalulekileyo ngaphezulu kwentambo yocingo: zikhusela imithwalo ebuthathaka kumonakalo ongaphezulu, zifunxa imithwalo eyothusayo ngaphandle koguquko olusisigxina, kwaye zibonelela ngeempawu ezilumkiso ezibonakalayo phambi kokusilela. Ngoku ka CERTEX Denmark, izilingi zokwenziwa zamalaphu lolona khetho lukhethwayo kwimithwalo efuna ukhuseleko lomphezulu kwaye lubonelela ngokuguquguquka okuphezulu xa kuthelekiswa nentambo yocingo. Esi sikhokelo sichitha 'ixabiso eliphantsi' intsomi kwaye sicacisa ukuba kutheni izilingi zokwenziwa zihlala zikhuselekile, ukhetho olusebenzayo kwimisebenzi yangoku yokuphakamisa.
Isilingi sokuphakamisa esigcinwe simanzi sisenokubonakala singonakali, kodwa ukufuma kunokubangela ukukhula kwesifo sokungunda, ukuthotywa kwefayibha, yaye—kwimeko yezilingi zenayiloni—ukuncipha kwamandla okwexeshana ukuya kuthi ga kwi-15% xa kumanzi, kuze amandla abuyiselwe xa yomile. Okubaluleke ngakumbi, izilingi zenayiloni zinokuphulukana ne-25% yamandla azo xa zimanzi ngenxa yokufunxa ukufuma. Izilingi zePolyester, ngokuchaseneyo, azichatshazelwa kancinci kukufuma kodwa zisenokubandezeleka kukungunda kunye nokubola ukuba zigcinwe zifumile. Esi sikhokelo sivavanya imingcipheko ehambelana ne-slings emanzi, ubuthathaka obuthile bezinto ezahlukeneyo zokwenziwa, kunye nokuhlolwa kunye neenkqubo zokomisa ezifunekayo ngaphambi kokubuyisela isilingi esimanzi kwinkonzo.
Ukwazi ixesha lokurhola isilingi sokuphakamisa sesinye sezakhono ezibaluleke kakhulu ekukhuselweni kokhuseleko. I-sling ebonakala isevisi inokuthi ibe nomonakalo ofihliweyo ophazamisa amandla ayo, ngelixa iintlobo zomonakalo ezibonakalayo-ukusikwa, ukukhwabanisa, ukutshisa iikhemikhali, ukutshatyalaliswa kobushushu, kunye nokutshatyalaliswa kwe-UV-ngamnye uneenqobo ezithile zomhlalaphantsi ezichazwe yi-ASME B30.9, OSHA, kunye ne-EN 1492. Esi sikhokelo esibonakalayo sichaza indlela yokuchonga uhlobo ngalunye lomonakalo, oko kufuneka ukhangele kwaye uhlolisise iimeko ezithile ngexesha lokuhlolwa kwenkonzo ethile. Kubaphathi bokurhwaphiliza, iingcali zokhuseleko, kunye nabaqhubi, esi sikhokelo sibonelela ngereferensi ebonakalayo yokwenza izigqibo zomhlalaphantsi ezinolwazi.
Isilingi esiphakamisayo esine-7:1 into yokhuseleko sinamandla okuqhawuka ngokuphindwe kasixhenxe kumda womthwalo olinganiselweyo wokusebenza. Oku kuthetha ukuba isilingi esilinganiswe kwitoni e-1 kufuneka sixhathise ubuncinane iitoni ezisi-7 phambi kokusilela. I-7: I-1 yokhuseleko i-factor igunyazisiwe yimigangatho ephambili yoshishino kuquka i-EN 1492-1, EN 1492-2, kunye ne-AS 4497: 2018 ye-slings synthetic slings. Eli nqaku lichaza umahluko phakathi kokhuseleko kunye nomda womthwalo wokusebenza, kutheni i-7: i-1 ingumgangatho we-slings synthetic slings, indlela ethelekisa ngayo nezinye iindidi zezixhobo, kwaye kutheni le mida yokhuseleko ibalulekile ekukhuseleni abasebenzi kunye ne-asethi kwimisebenzi yokunyusa yehlabathi.