Views: 0 Author: Site Editor Publish Time: 2026-08-12 Keeb Kwm: Qhov chaw
Ib daim ntawv polished stainless hlau yuav tsum tau nqa mus rau lub rooj machining. Ib lub vaj huam sib luag zoo nkauj yuav tsum tau txav mus thoob plaws hauv pem teb Hoobkas. Lub cev lub tsheb tiav lawm yuav tsum tau muab tso rau ntawm txoj kab sib dhos. Nyob rau hauv txhua rooj plaub, lub load yog qhov tseem ceeb - thiab yooj yim rau kev puas tsuaj.
Pab neeg rigging mus txog rau ib flat swb . Tsis yog vim nws yog qhov kev xaiv muaj zog tshaj plaws, tab sis vim tias nws yog qhov siab tshaj plaws. Qhov dav, tiaj tus webbing nto faib cov khoom hnyav tshaj qhov chaw loj, txo qhov siab thiab tiv thaiv lub nra ntawm dents, khawb, thiab crushing.
Lishenflex tau tsim cov hlua khi hlua khi rau ntau tshaj li ob xyoo lawm, thiab ib lo lus nug peb tau hnov los ntawm cov kws tsim khoom thiab cov thawj coj tsim khoom yog: Vim li cas cov slings tiaj tus tiv thaiv cov khoom zoo dua li lwm hom hlua? Cov lus teb yog nyob rau hauv physics ntawm kev faib siab-ib txoj hauv kev uas yog qhov tseem ceeb raws li nws ua tau zoo.
Kev sib raug zoo ntawm lub zog, cheeb tsam, thiab lub siab yog tswj hwm los ntawm tus qauv yooj yim:
Siab = Force ÷ Contact Area
Cov mis no, muab los ntawm Pascal lub hauv paus ntsiab lus hauv physics, piav qhia tias yog vim li cas ib tug poj niam hnav stiletto heels exerts siab dua nyob rau hauv pem teb dua li ib tug ntxhw sawv ntawm ko taw. Raws li lub physics ntawm kev faib siab, qhov nqaim ntawm qhov chaw sib cuag, qhov siab dua ntawm txhua qhov chaw.
Thaum siv rau kev nqa, cov ntsiab cai no piav qhia tias yog vim li cas lub tiaj tiaj tiv thaiv kev thauj khoom zoo dua li lwm hom sling:
Hom Sling |
Hu rau cheeb tsam |
Siab ntawm Load |
Load Protection |
Flat Sling |
Dav, tiaj tus |
Tsawg - faib sib npaug |
Zoo heev |
Round Sling |
Nqaim, rounded nto |
Nruab Nrab - tsom rau ntawm cov ntsiab lus sib cuag |
Zoo |
Hlau hlua Sling |
nqaim heev, taw tes tiv tauj |
Siab heev - tsom rau ntawm cov ntsiab lus me me |
pluag |
Chain Sling |
Taw tes tiv tauj |
Siab heev - tsom rau ntawm tus kheej txuas |
pluag |
Source: Physics ntawm kev faib siab; Pascal txoj cai
Los ntawm kev ua kom cov cheeb tsam sib cuag, cov slings tiaj tus txo qhov siab ntawm ib qho taw tes, txo qhov kev pheej hmoo ntawm kev puas tsuaj saum npoo, indentation, thiab crushing. Raws li Wikipedia qhov kev nkag siab ntawm kev siab piav qhia , lub siab yog lub zog siv rau ntawm qhov chaw ntawm ib qho khoom hauv ib cheeb tsam uas lub zog ntawd raug faib. Qhov chaw sib cuag dav dua ua rau qis qis rau tib lub zog.
Lub siab exerted los ntawm ib tug hlua ntawm ib tug load yog ib qho tseem ceeb rau ob tug yog vim li cas: load tiv thaiv thiab sling ntev.
Thaum nqa cov khoom tawg yooj yim lossis ua tiav - cov hlau polished, pleev xim rau qhov chaw, cov khoom sib xyaw, iav, lossis cov khoom siv hluav taws xob - lub siab dhau tuaj yeem ua rau:
Indentation los yog crushing - cov ntaub ntawv mos deform nyob rau hauv concentrated siab
Nto khawb-cov ntsiab lus sib tiv tauj siab tuaj yeem ua rau tawg lossis khawb qhov chaw
Stress fractures - cov ntaub ntawv nkig tuaj yeem tawg nyob rau hauv kev ntxhov siab hauv zos
Kev puas tsuaj rau cov tshuaj pleev ib ce-ua tiav qhov chaw tuaj yeem raug cuam tshuam los ntawm kev sib cuag
Raws li LibreTexts Physics , lub siab tawm ntawm qhov chaw nyob ntawm ob qho tib si quab yuam siv thiab thaj chaw uas nws tau faib. Los ntawm kev tsim cov hlua khi nrog thaj chaw sib cuag, cov kws ua haujlwm tuaj yeem txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov ntaub ntawv rhiab heev.
Kev sib tiv tauj siab kuj tseem cuam tshuam rau txoj hlua nws tus kheej. Thaum lub siab yog tsom rau ntawm thaj chaw me me-xws li cov hlua hlau lossis cov hlua khi-cov khoom siv sling ua rau muaj kev ntxhov siab ntau dua hauv cheeb tsam, ua kom hnav thiab txo lub neej kev pab cuam. Flat slings, los ntawm qhov sib txawv, faib cov khoom thauj thoob plaws hauv cheeb tsam dav, txo qis hauv zos hnav thiab ua kom lub neej ntev ntev.
Lishenflex 's lab kuaj tau lees paub tias cov slings tiaj tus nrog kev dav webbing kev ua tau zoo txo qis hauv cheeb tsam puas thiab hnav piv rau cov slings nqaim los yog ib puag ncig slings siv rau tib lub load, tshwj xeeb tshaj yog thaum nqa cov khoom nrog ntxhib lossis tsis sib xws.
Kev sib raug zoo ntawm lub tiaj tiaj tiaj dav thiab lub peev xwm thauj khoom ncaj qha mus rau kev faib tawm siab. Raws li EN 1492-1, tiaj tus slings yog tsim nyob rau hauv dav li ntawm 25 hli mus rau 450 hli. Ib txoj hlua dav dua muab qhov chaw sib cuag ntau dua, txo qhov siab ntawm lub load rau tib lub zog nqa.
Muaj peev xwm los ntawm qhov dav (ncaj nqa, polyester ca sling):
Sling Dav |
Hu rau cheeb tsam |
WLL |
Siab ntawm Load (ib unit load) |
30 mm |
Me me |
1.0t ib |
Siab |
60 mm |
Nruab nrab |
2,0t ib |
Nruab nrab |
90mm ib |
Loj dua |
3,0t ib |
qis |
120 hli |
Loj |
4,0t ib |
qis |
150 hli |
Ntxiv loj |
5,0t ib |
qis tshaj |
Tau qhov twg los: EN 1492-1 cov ntaub ntawv muaj peev xwm
Raws li cov lus qhia, cov slings dav tsis tsuas yog muab siab dua WLL tab sis kuj faib cov khoom hnyav dua ib cheeb tsam loj, txo qhov siab ntawm qhov chaw thauj khoom.
Lishenflex pom zoo kom xaiv qhov dav tshaj qhov siv tau rau koj daim ntawv thov kom ua kom muaj kev tiv thaiv ntau tshaj, tshwj xeeb tshaj yog thaum nqa cov khoom muag muag lossis cov khoom tiav. Kev xaiv yuav tsum tau ua raws li ob qho tib si lub nra hnyav thiab qhov chaw tiv tauj yuav tsum tau tiv thaiv qhov chaw puas.
Polished stainless hlau, txhuas, thiab pleev xim los yog coated cov ntaub ntawv yog tshwj xeeb yog yooj yim rau deg puas los ntawm sling contact. Raws li Wikipedia's 'Surface finish' nkag, cov khoom tiav tuaj yeem raug marred los ntawm cov ntsiab lus siab uas dhau ntawm cov khoom siv lub zog, ua rau lub cev deformation mus tas li lossis qhov tsis xws luag.
Flat slings tiv thaiv cov nto los ntawm:
Distributing lub load nyob rau hauv ib tug dav kev sib cuag cheeb tsam
Tshem tawm qhov chaw tiv tauj uas tuaj yeem khawb lossis dents
Muab qhov muag muag, tsis muaj abrasive interface ntawm lub sling thiab lub load
Cov ntaub ntawv sib xyaw - carbon fiber, fiberglass, thiab cov txheej txheem sib xyaw - muaj zog hauv qhov nro tab sis muaj kev cuam tshuam rau hauv cheeb tsam. Kev sib cuag ntawm cov hlua hlau los yog cov hlua khi tuaj yeem ua rau delamination, crushing, los yog kev ntxhov siab tawg. Qhov dav ntawm ib lub tiaj tiaj minimizes localized siab, tiv thaiv cov qauv sib xyaw.
Cov khoom siv hluav taws xob thiab cov khoom siv precision yog qhov nkag siab rau kev poob siab thiab kev ntxhov siab hauv cheeb tsam. Lub siab txo qhov muab los ntawm cov slings tiaj tus pab tiv thaiv kev puas tsuaj rau lub rooj tsav xwm hauv Circuit Court, rhiab vaj tse, thiab precision qhov chaw.
Hom Sling |
Hu rau cheeb tsam |
Siab ntawm Load |
Load Protection |
Daim ntawv thov zoo tshaj plaws |
Flat Sling |
Dav, tiaj tus |
Tsawg heev |
Zoo heev |
Ua tiav / muag heev loads |
Round Sling |
Nqaim, sib npaug |
Nruab nrab |
Zoo |
General nqa |
Hlau hlua Sling |
nqaim heev |
Siab heev |
pluag |
Heavy-duty / abrasive |
Chain Sling |
Taw tes tiv tauj |
Siab heev |
pluag |
Heev / hnyav loads |
Raws li Wikipedia's 'Rigging' nkag, tiaj tus slings yog nyiam thaum lub nto ntawm lub load yuav tsum tau tiv thaiv los ntawm kev puas tsuaj. Round slings muab kev tiv thaiv zoo tab sis tsis tshua muaj txiaj ntsig zoo dua li cov slings tiaj tus rau kev thauj khoom nrog thaj chaw loj, thaum cov hlua hlau thiab cov hlua khi feem ntau yog siv qhov chaw tiv thaiv saum npoo tsis yog qhov kev txhawj xeeb tseem ceeb.
Thaum xaiv ib lub tiaj tiaj rau kev tiv thaiv load, xav txog:
1. Lub load qhov rhiab heev ntawm qhov chaw - qhov muag muag los yog tiav qhov chaw yuav tsum tau dav dua
2. Lub load qhov hnyav-hnyav loads yuav tsum tau dav dua slings kom tsis txhob muaj siab
3. Qhov chaw tiv tauj muaj - thaj chaw tiv tauj tsawg yuav xav tau cov hlua dav dua
4. Lub sling lub peev xwm - dav dua slings muaj siab dua WLL
Kev xaiv txoj cai ntawm tus ntiv tes xoo: Xaiv qhov dav tshaj plaws uas yuav haum rau thaj chaw muaj kev sib cuag thiab muab qhov xav tau WLL. Rau cov khoom me me, ua qhov tseem ceeb ntawm qhov dav tshaj qhov muaj peev xwm-qhov dav dua nrog tib lub WLL muab kev tiv thaiv zoo dua.
Lishenflex muaj cov hlua ncaj nraim hauv qhov dav ntawm 25 hli mus rau 300 hli nrog WLLs los ntawm 1 tuj mus rau 10 tons, tso cai rau koj kom phim lub dav dav rau lub load qhov kev tiv thaiv saum npoo.
Lub physics ntawm lub tiaj tus slings yog yooj yim tab sis muaj zog: dav dav faib quab yuam nyob rau hauv cov cheeb tsam loj, txo lub siab ntawm loads. Qhov kev txo qis no tiv thaiv cov khoom muag muag thiab ua tiav los ntawm kev puas tsuaj, ua rau cov slings tiaj tus nyiam xaiv rau cov ntawv thov uas muaj kev tiv thaiv kev thauj khoom tseem ceeb.
Cov ntsiab lus tseem ceeb:
1. Siab = Force ÷ Cheeb Tsam—qhov chaw sib cuag dav dua txhais tau tias qis dua
2. Flat slings muab qhov chaw sib cuag dav tshaj plaws ntawm txhua hom sling
3. Cov hlua dav dua txo qhov siab ntawm qhov chaw thiab tiv thaiv cov khoom me me
4. Xaiv qhov dav tshaj qhov siv tau rau koj daim ntawv thov
5. Xav txog load rhiab heev thaum xaiv ntawm sling hom
Lishenflex manufactures polyester tiaj slings nyob rau hauv ib tug ntau yam ntawm dav ntawm 25 hli mus rau 300 hli, raws li EN 1492-1 thiab ASME B30.9 qauv. Peb muab cov kev taw qhia ntawm sling dav xaiv raws li koj cov kev tiv thaiv kev tiv thaiv tshwj xeeb.
Yog tias koj xav tau kev pab xaiv lub tiaj tiaj tiaj tiaj dav rau koj daim ntawv thov-los yog xav tau kev pab txiav txim siab txo qhov tsim nyog rau lub nra hnyav-thov xa email rau sales@lishenflex.com , thiab peb pab neeg ua haujlwm yuav muab kev txhawb nqa ib leeg.