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Fisiks ea Flat Slings: Joang Bophara Bokaho bo Fokotsa Khatello le ho Sireletsa Meroalo

Letjeketjane le bataletseng ha le phahamise moroalo feela—lea le sireletsa. Sebaka se sephara, se bataletseng se arola boima ba mojaro sebakeng se seholoanyane, se fokotsa khatello sebakeng sefe kapa sefe. Ona ke molao-motheo oa motheo oa fisiks ka mor'a li-slings tse bataletseng: Khatello = Matla ÷ Sebaka. Ka ho eketsa sebaka sa ho kopana, li-slings tse bataletseng li fokotsa kotsi ea ho senyeha ha holim'a metsi, ho senya le ho pshatla-ho etsa hore e be khetho e ratoang bakeng sa ho phahamisa thepa e bonolo, e felileng kapa e senyehang habonolo. Tataiso ena e hlalosa fisiks ea kabo ea khatello, e bapisa li-slings tse bataletseng le litharollo tse ling tsa ho phahamisa, 'me e fana ka tataiso e sebetsang bakeng sa ho khetha bophara bo nepahetseng ba letjeketjane bakeng sa kopo ea hau.

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Molao oa 1/10 oa ho Tlohela Sling e Sephara ke Efe?

Molao oa 1/10 ke mokhoa o otlolohileng empa o bohlokoa oa ho tlohela mosebetsi bakeng sa li-slings tse bataletseng: ha seaparo sa abrasive se fokotsa bophara ba marang-rang ka 1/10 kapa ho feta, letjeketjane le tlameha ho tlosoa tšebeletsong. Molao ona o hlalositsoe ho EN 1492-1 mme o amoheloa ke ASME B30.9 e le sesupo sa bohlokoa sa ho apara ho feteletseng. Tataiso ena e hlalosa se boleloang ke molao oa 1/10, mokhoa oa ho lekanya bophara ba tepo ka nepo, hore na ke hobane'ng ha moeli ona o khethiloe, le mokhoa oa ho o sebelisa ha ho hlahlojoa letsatsi le letsatsi. Bakeng sa baokameli ba ho qhekella le litsebi tsa tšireletso, ho utloisisa molao ona o bonolo ho ka thibela tšebeliso ea li-slings tse tsofetseng tse kotsi.

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Sling Angle e Ama Bokhoni ba Sling e Sephara Joang?

Sling e bataletseng e lekantsoeng lithane tse 2 sebakeng se otlolohileng se otlolohileng se ka khona ho phahamisa lithane tse 1 feela ka mokhoa o sireletsehileng ha se sebelisoa ka lehlakoreng la 60°. Lebaka ke hore ntlha ea letjeketjane e ama ka ho toba tsitsipano leotong le leng le le leng la letjeketjane—ha khutlo e nyenyane pakeng tsa letjeketjane le e tšekaletseng, ke moo tsitsipano e ntseng e eketseha. Ho ea ka EN 1492-1 le ASME B30.9, matla a tlameha ho fokotsoa ha li-slings li sebelisoa ka lehlakoreng kapa ka litlhophiso tsa maoto a mangata. Tataiso ena e hlalosa fisiks e ka morao ho li-angle factor, e fana ka litafole tsa bokhoni ba li-slings tse bataletseng, 'me e fana ka tataiso e sebetsang bakeng sa ho bala mesebetsi e bolokehileng ea ts'ebetso ts'ebetsong ea 'nete ea lefats'e.

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Flat Sling: Kaho ea Webbing, Ply Layers, le Bokhoni ba Meroalo

Serapa se bataletseng—eo hape e tsejoang e le letjeketjane la tepo kapa lebanta—ke e ’ngoe ea lisebelisoa tse phahamisoang ka ho fetisisa tse sebelisoang haholo kahong, ho etsa thepa le ho tsa thepa . Kaho ea eona e hlalosoa ka lintlha tse tharo tsa bohlokoa: lisebelisoa tsa marang-rang, likarolo tsa ply le bophara. Ka kopanelo, tsena li lekanya moeli oa boima ba ho sebetsa oa letjeketjane (WLL), ho tenyetseha le ho tšoarella. Ho ea ka EN 1492-1, likhoele tse lohiloeng tse sephara tse entsoeng ka polyester, polyamide, kapa polypropylene li kentsoe lintlha tsa polokeho ea 7: 1 'me li na le likhoutu tsa mebala ho ea ka boholo. Tataiso ena e hlalosa hore na kaho ea marang-rang, tlhophiso ea ply, le bophara li sebelisana joang ho fumana matla a mojaro - le mokhoa oa ho khetha letjeketjane le nepahetseng bakeng sa sesebelisoa sa hau sa ho phahamisa.

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