Flat sling—we dɛn kin kɔl bak wɛb sling ɔ bɛlt sling—na wan pan di sintetik liftin sɔlvishɔn dɛn we dɛn kin yuz mɔ fɔ bil, mek, ɛn lɔjistik . I kɔnstrɔkshɔn de difayn bay tri men ɛlimɛnt dɛn: wɛb matirial, ply layers, ɛn wit. Tugeda, dis de sho aw di sling wok lod limit (WLL), fleksibiliti, en durability. Akɔdin to EN 1492-1, dɛn rayt flat web wɛb sling dɛn we dɛn mek wit polyɛsta, polyamide, ɔ polypropylene wit 7:1 sefty factor ɛn dɛn kɔd dɛn kɔlɔ bay kapasiti . Dis gayd de ɛksplen aw wɛb kɔnstrɔkshɔn, ply kɔnfigyushɔn, ɛn wit de intarakt fɔ no di lod kapasiti—ɛn aw fɔ pik di rayt flat sling fɔ yu liftin aplikeshɔn.
Wan liftin sling we gɛt 7: 1 sefty factor gɛt trɛnk fɔ brok sɛvin tɛm pas in rayt wok lod limit. Dis min se sling we dɛn rayt fɔ 1 tan fɔ tinap fɔ at le 7 tan bifo i nɔ wok. Di 7: 1 sefty faktɔ na di men industri standad dɛn we inklud EN 1492-1, EN 1492-2, ɛn AS 4497:2018 fɔ sintetik sling dɛn . Dis atikul de ɛksplen di difrɛns bitwin sefty faktɔ ɛn wok lod limit, wetin mek 7: 1 na di standad fɔ sintetik sling, aw i kɔmpia to ɔda kayn ikwipmɛnt, ɛn wetin mek dis sef margin impɔtant fɔ protɛkt pɔsin ɛn prɔpati dɛn we de na rial wɔl liftin ɔpreshɔn.
Wan flat sling we de insay wan chok hitch kɔnfigyushɔn de gi wan sikrit grip pan lod dɛn we kin slip insay wan vertikal lift. Bɔt yu tink se dɛn kin yuz ɛni flat sling dis we? Di shɔt ansa na yes—bɔt wit big big kapasiti ridɔkshɔn ɛn strikt aplikeshɔn lɔ dɛn. Akɔdin to EN 1492-1 ɛn ASME B30.9, wan chok hitch de ridyus wan sling in wok lod limit to 80% pan in vertikal hitch kapasiti, wit ɔda ridyushɔn fɔ angul dɛn we de dɔŋ 120° na di chok pɔynt. Dis gayd de ɛksplen di kapasiti faktɔs, di rayt chok hitch tɛknik, kɔndishɔn dɛn we nɔ de alaw fɔ yuz chok, ɛn di impɔtant inspekshɔn pɔynt dɛn fɔ mek shɔ se i wok sef wan.
Wan sling we dɛn kin es ɔp ɛn we dɔn lɔs in fɔs kɔlɔ na tin we pipul dɛn kin si na say dɛn we dɛn kin du wok. Bɔku rigman dɛn kin wɔnda: i stil sef fɔ yuz? Di shɔt ansa—akɔdin to di standad dɛn we di industri gɛt—na nɔ. Di kɔlɔ we de chenj na sɔntin we pɔsin kin si fɔ sho se ɔltra vayolɛt (UV) dɔn pwɛl, we kin mek di sɛntetik fayv dɛn wik ɛn i kin mek di sling nɔ ebul fɔ bia lod. Dis gayd de ɛgzamin wetin faded kɔlɔ min fɔ sling sef, aw fɔ difrɛns UV damej frɔm ɔda kayn diskɔlɔreshɔn, ɛn di patikyula ritayayeshɔn krayteria we dɛn sho na ASME B30.9 ɛn Washinton Administretiv Kɔd (WAC) rigyuleshɔn. Fɔ di wan dɛn we de supavaysa fɔ rig ɛn di wan dɛn we sabi bɔt sefty, fɔ ɔndastand wetin sling we dɔn fad kin du, impɔtant fɔ mek i nɔ pwɛl bad bad wan.