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Kuv puas tuaj yeem koom nrog ob lub tiaj tiaj tiaj ua ke kom txuas ntxiv qhov ntev?

Ib txoj hlua tiaj tiaj uas tsuas yog ob peb taw luv luv tuaj yeem ua rau kev nqa nqa mus rau nres. Qhov kev xav tam sim no: yog vim li cas ho tsis koom nrog ob txoj hlua ua ke? Kev xyaum ntawm kev sib txuas slings yog ib txwm muaj, tab sis raws li OSHA 1910.184(c)(2) thiab ASME B30.9, slings yuav tsum tsis txhob luv los yog lengthened los ntawm knotting los yog twisting, los yog koom nrog knotting.

Cov Xim Code ntawm Lifting Slings txhais li cas?

Ib txoj hlua nqa los ntawm cov xim tshwj xeeb - tab sis cov xim ntawd tsis yog rau kev zoo nkauj xwb. Raws li EN 1492-1 (pav ca webbing slings) thiab EN 1492-2 (ib puag ncig slings), txhua xim sib raug rau qhov tshwj xeeb ua haujlwm Load Limit (WLL), ua kom muaj peev xwm ceev thiab yooj yim txheeb xyuas ntawm qhov chaw ua haujlwm.

Dab tsi yog Lifespan ntawm Round Sling?

Ib puag ncig sling tsis tuaj nrog hnub tas sij hawm stamped ntawm nws daim ntawv lo - tab sis qhov ntawd tsis txhais hais tias nws nyob mus ib txhis. Raws li EN 1492-2, European tus qauv rau roundslings, kev txwv kev ua haujlwm (WLL) thiab kev nyab xeeb kev nyab xeeb tau teev tseg, tab sis kev pabcuam lub neej nyob ntawm kev siv tiag tiag. Qee cov tuam txhab lag luam qhia txog lub neej ntev tshaj plaws ntawm 10 xyoo los ntawm kev siv thawj zaug hauv cov xwm txheej zoo.

Polyester vs. Nylon Flat Slings: Tshuaj Tiv Thaiv thiab Elongation Profiles

Kev xaiv ntawm polyester ca sling thiab nylon ca sling tsis yog qhov teeb meem ntawm ib qho 'zoo dua' dua li lwm qhov - nws nyob ntawm qhov chaw thov. Ob qho khoom sib koom ua haujlwm tib yam txwv tsis pub ua haujlwm thiab qhov kub thiab txias (-40 ° C txog 100 ° C) raws li EN 1492-1, tab sis txawv heev hauv elongation, tshuaj tiv thaiv, thiab ya raws. Nylon stretches 6-10% ntawm rated load thiab resists alkalis tab sis puas los ntawm acids. Polyester stretches tsuas yog 3-4% thiab tiv taus acids tab sis puas los ntawm alkalis. Phau ntawv qhia no muab cov ncauj lus kom ntxaws sib piv los pab cov engineers thiab cov kws tshaj lij rigging xaiv cov khoom siv ncaj nraim rau lawv cov kev ua haujlwm tshwj xeeb.

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Kuv puas tuaj yeem koom nrog ob lub tiaj tiaj tiaj ua ke kom txuas ntxiv qhov ntev?

Cov Xim Code ntawm Lifting Slings txhais li cas?

Dab tsi yog Lifespan ntawm Round Sling?

Polyester vs. Nylon Flat Slings: Tshuaj Tiv Thaiv thiab Elongation Profiles

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