Chipfuramabwe chinosimudzwa chakachengetwa chakanyorova chinogona kuita sechisina kukuvadzwa, asi unyoro hunogona kukonzera kukura kwevhu, kuderera kwefayibha, uye—panyaya yezvipfuramabwe zvenaironi—kurasikirwa kwesimba kwechinguvana kusvika ku15% kana kunyorova, nesimba rodzorerwa pakuomeswa . Zvakanyanya kukosha, zvipfuramabwe zvenaironi zvinogona kurasikirwa kusvika pa25% yesimba razvo kana zvanyorova nekuda kwekunwa hunyoro. Polyester slings, nekusiyana, haanyanyi kukanganiswa nehunyoro asi anogona kuramba achitambura nehunyoro uye kuora kana akachengetwa akanyorova. Gwaro iri rinoongorora njodzi dzinosanganisirwa nezvipfuramabwe zvakanyorova, kusadzivirirwa kwakasiyana kwezvinhu zvekugadzira zvakasiyana, uye maitiro ekuongorora nekuomesa anodiwa asati adzosera chipfuramabwe chakanyorova kubasa.
Chipfuramabwe chinosimudza chinogona kupera simba racho nguva refu chisati charatidza kusakara kunooneka—kazhinji pasina nyevero ipi neipi. Tembiricha yakanyanyisa, ultraviolet (UV) mwaranzi, uye kuratidzwa kwekemikari ndizvo zvitatu zvakajairika zvezvakatipoteredza izvo zvinosvibisa mafiber ekugadzira. Maererano neCanadian Center for Occupational Health and Safety (CCOHS), chiedza chezuva, unyoro, uye tembiricha dzinopfuura 90°C (194°F) zvinogona kukuvadza zvose naironi nepolyester slings. OSHA inoenderera mberi ichiti simba rechipfuramabwe rinoderedzwa nekuratidzwa kwezuva uye ultraviolet mwenje, uye inokurudzira kubvunza mugadziri kana munhu akakodzera kuti awedzere zvinodiwa pamudyandigere. Gwaro iri rinotarisa kuti chimwe nechimwe chezvakatipoteredza chinokanganisa sei kutendeseka kwechipfuramabwe, ndezvipi zviratidzo zvekutarisa, uye kuti ungadzivirira sei zvipfuramabwe zvako zvekusimudza kubva pakutadza nguva isati yakwana.
Chipfuramabwe chinosimudza chine 7:1 kuchengetedza chinhu chine simba rekupwanya kanomwe raro rakatemerwa mutoro wekushanda. Izvi zvinoreva kuti chipfuramabwe chakayerwa tani 1 chinofanirwa kumira matani manomwe isati yatadza. Iyo 7: 1 kuchengetedza chinhu chinorairwa neakakosha indasitiri zviyero zvinosanganisira EN 1492-1, EN 1492-2, uye AS 4497: 2018 yekugadzira zvidhori. Ichi chinyorwa chinotsanangura mutsauko uripo pakati pekuchengetedza chinhu uye yekushanda mutoro muganho, nei 7: 1 iri chiyero chezvekugadzira zvipfuramabwe, kuti inofananidzwa sei nedzimwe mhando dzemidziyo, uye nei iyi chengetedzo yakakosha pakuchengetedza vashandi uye midziyo mumabasa ekusimudza epasirese.
Chipfuramabwe chinosimudza chakapfuura upenyu hwacho hwebasa rakachengeteka ingozi—kwete chokushandisa. Zvakadaro vazhinji vekubira nyanzvi vanonetsekana nemubvunzo wakapusa: kangani kandinofanira kutsiva slings angu ekusimudza? Mhinduro haisi nhamba imwe chete. Izvo zvinoenderana nerudzi rwezvinhu, frequency yekushandisa, mamiriro ekushanda, uye yekuongorora zvakawanikwa. Gwaro iri rinokwevera pazviyero zveindasitiri (ASME B30.9, EN 1492), nhungamiro yevagadziri, uye Lishenflex ruzivo rwekugadzira kuti ipe yakajeka yekutsiva maitiro. Isu tinovhara hupenyu hwesevhisi hunotarisirwa nemhando yechipfuramabwe, mafambiro ekuongorora, zviratidzo zvekurega basa, uye musiyano wakakosha pakati pe 'age-based' uye 'condition-based' kutsiva.