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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.

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.

Thaum Yuav Hloov Cov Kab Ncauj Ncauj Ncauj: Ib Daim Ntawv Qhia Txog Kev Tshawb Fawb Txog Lub Sijhawm thiab Lub Sijhawm

Paub thaum twg los hloov cov hlua tiaj tiaj yog qhov tseem ceeb rau kev ruaj ntseg rigging thiab kev ua raws cai. Cov qauv kev lag luam ASME B30.9 thiab EN 1492-1 txhais ob theem ntawm kev tshuaj xyuas - nquag (txhua hnub lossis ua ntej siv) thiab ntu ntu (ib xyoos lossis ib nrab xyoo) - txhua qhov tshwj xeeb rau kev txiav txim siab thaum twg lub hlua yuav tsum raug tshem tawm ntawm kev pabcuam. Phau ntawv qhia no piav qhia txog qhov sib txawv ntawm kev kuaj xyuas ib ntus, muab cov ncauj lus kom ntxaws rau txhua tus, thiab qhia txog cov txheej txheem nyiaj laus uas ua rau kev hloov sling. Rau rigging tus saib xyuas, tus thawj tswj kev nyab xeeb, thiab cov neeg ua haujlwm, qhov no yog qhov siv tau zoo rau kev tswj xyuas cov khoom lag luam zoo.

Lub Physics ntawm Flat Slings: Qhov dav npaum li cas txo qhov siab thiab tiv thaiv Loads

Lub tiaj tiaj ua haujlwm ntau dua li tsuas yog nqa lub nra-nws tiv thaiv nws. Qhov dav, tiaj tus webbing nto faib cov khoom hnyav tshaj qhov chaw loj, txo qhov siab ntawm ib qho taw tes. Qhov no yog lub hauv paus ntsiab lus physics tom qab tiaj tus slings: Siab = Force ÷ Cheeb Tsam. Los ntawm kev ua kom cov cheeb tsam sib cuag, cov slings tiaj tus txo qhov kev pheej hmoo ntawm kev puas tsuaj saum npoo, dents, thiab crushing - ua rau lawv qhov kev xaiv zoo tshaj plaws rau kev nqa cov khoom me me, tiav, lossis cov khoom puas yooj yim. Phau ntawv qhia no piav qhia txog lub physics ntawm kev faib tawm siab, piv cov slings tiaj tus rau lwm cov kev txhawb nqa nqa, thiab muab cov lus qhia siv tau rau xaiv qhov dav dav dav rau koj daim ntawv thov.

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

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

Thaum Yuav Hloov Cov Kab Ncauj Ncauj Ncauj: Ib Daim Ntawv Qhia Txog Kev Tshawb Fawb Txog Lub Sijhawm thiab Lub Sijhawm

Lub Physics ntawm Flat Slings: Qhov dav npaum li cas txo qhov siab thiab tiv thaiv Loads

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