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Isho ukuthini Ikhodi Yombala Ku-Lifting Slings?

Isihlilingi esiphakamisayo siza ngombala othile—kodwa lowo mbala akuwona owobuhle kuphela. Ngokuya nge-EN 1492-1 (izihlilingi zewebhu eziyisicaba) kanye ne-EN 1492-2 (izihlilingi eziyindilinga), umbala ngamunye uhambisana Nomkhawulo othize Womthwalo Osebenzayo (WLL), ovumela ukuhlonza umthamo osheshayo nalula esizeni somsebenzi.

Iyini Isikhathi Sokuphila Se-Round Sling?

Isihlilingi esiyindilinga asizi nedethi yokuphelelwa yisikhathi egxivizwe kulebula yayo—kodwa lokho akusho ukuthi ihlala phakade. Ngokusho kwe-EN 1492-2, indinganiso yaseYurophu yama-roundslings, umkhawulo womthwalo osebenzayo (WLL) kanye nesici sokuphepha kucacisiwe, kodwa impilo yesevisi incike ezimweni zangempela zokusetshenziswa. Abanye abakhiqizi bacacisa isikhathi sokuphila esiphezulu seminyaka eyi-10 kusukela ekusetshenzisweni kokuqala ngaphansi kwezimo ezifanele.

I-Polyester vs. Inayiloni Flat Slings: Chemical Resistance and Elongation Profiles

Ukukhetha phakathi kwe-polyester flat sling kanye nesihlilingi esiyisicaba senayiloni akuyona indaba yokuthi enye 'ingcono' kunomunye—kuncike ngokuphelele endaweni yesicelo. Zombili izinto ezisetshenziswayo zabelana ngemikhawulo efanayo yomthwalo wokusebenza kanye nebanga lokushisa (-40°C kuya ku-100°C) ngaphansi kwe-EN 1492-1, kodwa zihluke kakhulu ekwelulweni, ukumelana namakhemikhali, nokusabela komswakama. Inayiloni inweba ngo-6–10% ngomthwalo olinganiselwe futhi imelana nama-alkali kodwa ibhujiswa ama-asidi. I-polyester yelula kuphela u-3-4% futhi imelana nama-asidi kodwa yonakaliswa ama-alkali. Lo mhlahlandlela uhlinzeka ngokuqhathanisa okuningiliziwe ukuze usize onjiniyela nezingcweti zokuqola ukukhetha okufanelekile kwesihlilingi esiyisicaba ngezimo zabo zokusebenza ezithile.

Izikhathi Zokushintsha Izihlilingi Eziyisicaba: Umhlahlandlela Wemibandela Yokuhlola Okuvamile Nezikhathi ezithile

Ukwazi ukuthi kunini lapho kushintshwa izihlilingi eziyisicaba kubalulekile ukuze kuqiniswe ukuphepha kanye nokuthobela imithetho. Amazinga omkhakha we-ASME B30.9 kanye ne-EN 1492-1 achaza amazinga amabili okuhlola—ukuvamile (ukusetshenziswa nsuku zonke noma ngaphambi kwesikhathi) kanye nezikhathi ezithile (zonyaka noma phakathi nonyaka)—ngalinye linemibandela ethile yokunquma ukuthi isihlilingi kufanele sisuswe nini enkonzweni. Lo mhlahlandlela uchaza umehluko phakathi kokuhlolwa okuvamile nokwezikhathi ezithile, unikeza izinhlu zokuhlola ezinemininingwane ngayinye, futhi uveza indlela yokuthatha umhlalaphansi ebangela ukushintshwa kwesihlilingi. Kubaphathi abakhwabanisayo, abaphathi bezokuphepha, nabaqhubi, lesi yisithenjwa esisebenzayo sokugcina i-inventory ye-sling ephephile.

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Isho ukuthini Ikhodi Yombala Ku-Lifting Slings?

Iyini Isikhathi Sokuphila Se-Round Sling?

I-Polyester vs. Inayiloni Flat Slings: Chemical Resistance and Elongation Profiles

Izikhathi Zokushintsha Izihlilingi Eziyisicaba: Umhlahlandlela Wemibandela Yokuhlola Okuvamile Nezikhathi ezithile

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