Kub, UV, thiab tshuaj lom neeg: Yuav ua li cas Environmental Factors Degrade Koj Lifting Slings

A nqa sling  yog khaws cia sab nraum zoov rau peb lub hlis. Nws zoo nkaus li zoo - tsis muaj kev txiav, tsis muaj kev puas tsuaj. Tab sis thaum nws muab tso rau hauv load, nws snaps. Kev tshawb nrhiav qhia qhov ua rau: UV degradation. Lub sling poob 40% ntawm nws lub zog ua ntej leej twg pom muaj teeb meem.

Qhov no scenario tsis yog hypothetical. Raws li lub koom haum Rigging , round slings nrog lub teeb-xim tsho tuaj yeem poob mus txog 40 feem pua ​​​​ntawm lawv qhov kawg ntawm lub zog dhau rau lub hlis ntawm kev raug UV txuas ntxiv. Phau ntawv qhia kev nyab xeeb Liftex Slings  tau lees paub tias ib puag ncig uas cov hluavtaws webbing txuas txuas ntxiv raug rau lub teeb ci ultraviolet tuaj yeem cuam tshuam lub zog ntawm hluavtaws webbing slings nyob rau hauv ntau qhov sib txawv los ntawm me ntsis mus rau tag nrho cov degradation.

 

Lishenflex  tau tsim cov hlua khi hlua khi rau ntau tshaj li ob xyoo lawm, thiab peb cov ntaub ntawv soj ntsuam tau lees paub tias qhov kev puas tsuaj ib puag ncig yog ib qho ntawm feem ntau-thiab feem ntau saib tsis taus-ua rau sling tsis ua haujlwm. Tsis zoo li kev puas tsuaj xws li kev txiav lossis kev puas tsuaj, ib puag ncig kev puas tsuaj feem ntau pom tsis tau txog thaum nws lig dhau lawm.

 

Kub: Kub thiab txias los ntawm hluavtaws Slings

Synthetic fibers tau txiav txim siab qhov kub thiab txias. Tshaj li cov kev txwv no - txawm luv luv - tuaj yeem cuam tshuam lub zog sling mus tas li.

 

Kev puas tsuaj kub

 

Raws li CCOHS thiab Liftex cov lus qhia txog kev nyab xeeb, cov hlua hluavtaws raug puas tsuaj los ntawm qhov kub thiab txias tshaj qhov pib hauv qab no:

 

Tau qhov twg los: CCOHS Synthetic Web Slings Guide; Liftex Sling Safety Guide

 

Liftex ceeb toom tias qhov pom kev pom ntawm kev puas tsuaj ntawm tshav kub tuaj yeem suav nrog blistering, melting, discoloration (charring), thiab muaj zog ntawm cov khoom siv sling . Qee qhov xwm txheej, txoj hlua yuav ua rau tawv thiab nkig yam tsis muaj qhov pom charring-ua rau kub puas tsuaj tsis yooj yim. Raws li Mazzella Tuam Txhab sau tseg, cov pov thawj ntawm kev puas tsuaj thaum tshav kub kub yog ib qho mob uas yuav tsum tau muab tshem tawm tam sim ntawd los ntawm kev pabcuam.

 

OSHA txhawb qhov no los ntawm kev teev cov melting, charring, los yog weld splatter ntawm ib feem ntawm lub sling raws li ib tug mob rau kev tshem tawm tam sim ntawd los ntawm kev pab raws li WAC 296-155-55825.

 

Cov lus ceeb toom tseem ceeb: Kev puas tsuaj thaum tshav kub kub tuaj yeem tshwm sim txawm tias tsis muaj hluav taws xob ncaj qha. Ntev ntev raug rau qhov chaw kub, cov kav dej, los yog cov hlua khi tuaj yeem ua rau muaj qhov kub thiab txias tshaj qhov txwv tsis pub.

 

Txias kub los

 

Synthetic slings kuj ua tau txawv ntawm qhov chaw txias. Thaum polyester thiab nylon tsis ua nkig ntawm qhov txias txias, noo noo hauv cov fibers tuaj yeem khov, ua rau cov hlua kom khov thiab tsis yooj yim. Raws li CCOHS, cov hlua ntub dej uas khov tuaj yeem poob lub peev xwm thiab yuav tsum tau qhuav kom huv si ua ntej siv.

 

Cov lus pom zoo rau kev tswj qhov kub thiab txias:

 

Tsis txhob khaws cov hlua khi ze ntawm qhov chaw sov - cov kav dej, lub tshuab hluav taws xob, lossis lub hnub ci ncaj qha

 

Siv thermal thaiv  thaum nqa cov khoom kub (lub tes tsho insulating, pad qhov muag)

 

Tsis txhob siv cov hlua khi ntawm qhov hnyav tshaj 90 ° C rau polyester thiab nylon, 80 ° C rau polypropylene

 

Tshawb xyuas cov hlua uas raug tshav kub  kom nruj, charring, lossis tsis muaj xim

 

UV Radiation: Lub zog ntsiag to Killer

UV hluav taws xob los ntawm lub hnub ci yog ib qho kev puas tsuaj ib puag ncig zoo tshaj plaws rau cov khoom siv lifting slings. Tsis zoo li tshuaj lom neeg lossis cua sov puas tsuaj, UV degradation yog cumulative thiab irreversible.

 

Raws li Liftex Slings phau ntawv qhia kev nyab xeeb , qhov pom kev pom ntawm ultraviolet degradation suav nrog:

 

Bleaching tawm ntawm sling xim  (fading)

 

Ua kom nruj ntawm cov khoom siv sling

 

Deg abrasion nyob rau hauv cov cheeb tsam tsis nquag nyob rau hauv kev sib cuag nrog lub load

 

Lub koom haum Rigging muab kev taw qhia tshwj xeeb ntxiv: cov hlua khi nrog lub teeb-xim tsho (dawb, tan, grey, thiab daj) tuaj yeem poob mus txog 40 feem pua ​​​​ntawm lawv qhov kawg ntawm lub zog tshaj li rau lub hlis ntawm kev raug UV txuas ntxiv. Cov xim tsaus - liab, tsaus xim av, tsaus ntsuab, thiab dub - muab kev tiv thaiv zoo tshaj plaws tiv thaiv UV puas.

 

Washington Txoj Cai Tswjfwm Ntiag Tug (WAC 296-155-55825)  tshwj xeeb tshaj tawm cov xim tsis muaj xim, nkig fibers, thiab cov chaw tawv lossis tawv uas yuav qhia tau tshuaj lom neeg lossis ultraviolet / tshav ntuj puas raws li qhov yuav tsum tau tshem tawm tam sim ntawd los ntawm kev pabcuam.

 

Lishenflex cov ntaub ntawv teb tau lees paub tias cov hlua khaws cia sab nraum zoov lossis siv nyob rau hauv tshav ntuj ncaj qha yam tsis muaj kev tiv thaiv UV tuaj yeem poob 20-40% ntawm lawv lub zog nyob rau hauv 6-12 lub hlis, nyob ntawm seb cov xim thiab qhov raug mob.

 

Cov haujlwm tseem ceeb los tiv thaiv UV puas tsuaj:

 

Khaws cov hlua khi hauv qhov chaw tsaus, qhuav  thaum tsis siv

 

Xaiv cov xim tsaus nti  (liab, xim av, tsaus ntsuab) rau kev siv sab nraum zoov

 

Tig cov khoom lag luam kom txo qis qhov raug UV txuas ntxiv

 

Tshawb xyuas cov hlua siv sab nraum zoov txhua lub lim tiam  kom fading thiab tawv

 

Chemical Exposure: Material-Specific Vulnerabilities

Tsis yog tag nrho cov hluavtaws fibers ua rau tib txoj kev rau tshuaj. Kev siv cov khoom siv tsis raug hauv ib puag ncig tsis zoo tuaj yeem ua rau muaj kev puas tsuaj sai sai.

 

Raws li CCOHS, nylon slings puas los ntawm acids , thaum polyester slings puas los ntawm alkalis. Liftex Slings phau ntawv qhia ntxiv tias cov tshuaj muaj peev xwm cuam tshuam rau lub zog sling nyob rau ntau qib, los ntawm me me mus rau tag nrho cov degradation, nyob ntawm seb cov tshuaj tshwj xeeb, nws cov concentration, thiab lub sij hawm raug.

 

Chemical Resistance Comparison

 

Tau qhov twg los: CCOHS Synthetic Web Slings Guide; Liftex Sling Safety Guide

 

CERTEX Denmark tseem hais ntxiv tias cov khoom siv hluavtaws hluavtaws tshwj xeeb yog cov tshuaj tsis sib haum - uas tuaj yeem ua rau tsis muaj zog lossis rhuav tshem cov fibers yam tsis pom kev puas tsuaj. Liftex ceeb toom tias yog ib txoj hlua raug rau cov tshuaj acid lossis cov tshuaj caustic thiab cov fiber ntau puas lawm, cov hlua yuav tawv thiab nkig, ua rau xim av lossis xim dub. Cov hlua no yuav tsum tau muab tshem tawm tam sim ntawd ntawm kev pabcuam.

 

Cov lus ceeb toom tseem ceeb: Kev puas tsuaj tshuaj lom neeg tuaj yeem tshwm sim txawm tias los ntawm cov pa taws lossis vapors, tsis yog cov kua dej ncaj qha. Slings khaws cia rau hauv thaj chaw uas muaj tshuaj fumes yuav raug degraded yam tsis muaj cov kua pom pom.

 

Cov tswv yim pom zoo rau kev tswj kev raug tshuaj lom neeg:

 

Match sling khoom rau cov tshuaj ib puag ncig (polyester rau acids, nylon rau alkalis)

 

Yaug cov hlua tam sim tom qab raug tshuaj lom neeg (ua raws li cov chaw tsim khoom cov lus qhia)

 

Tshawb xyuas slings siv nyob rau hauv cov tshuaj ib puag ncig nquag  kom nruj, discoloration, los yog brittleness

 

Tshem cov hlua los ntawm kev pabcuam yog tias muaj kev puas tsuaj tshuaj lom neeg

 

Cov teebmeem sib xyaw: Thaum Muaj ntau yam sib txuam

Environmental yam tsis tshua muaj tshwm sim nyob rau hauv kev sib cais. Ib txoj hlua khaws cia sab nraum zoov yuav raug UV, nag (moisture), thiab kub caij tsheb kauj vab ib txhij. Cov nyhuv cumulative feem ntau yog ntau dua li cov txiaj ntsig ntawm tus kheej.

 

Lishenflex 's lab kuaj cov ntaub ntawv qhia tau hais tias ib lub sling raug rau ob qho tib si UV thiab tshuaj fumes tuaj yeem poob txog 60% ntawm nws lub zog nyob rau hauv 90 hnub - piv rau 30-40% los ntawm ob qho tib si. Cov nyhuv acceleration no yog vim li cas kev tshuaj ntsuam xyuas yog qhov tseem ceeb rau cov hlua siv hauv qhov chaw hnyav.

 

Kev taw qhia kev lag luam los ntawm ASME B30.9 xav kom cov hlua khi hauv cov kev pabcuam hnyav-uas suav nrog kev raug cua sov, tshuaj lom neeg, thiab UV-yuav tsum tau tshuaj xyuas ntau zaus dua li cov hlua hauv kev pabcuam ib txwm muaj.

 

Kev tshuaj xyuas thiab nyiaj so haujlwm rau kev puas tsuaj ib puag ncig

Raws li ASME B30.9 thiab OSHA cov cai, cov kev qhia txog kev puas tsuaj ib puag ncig hauv qab no yuav tsum tau muab tshem tawm tam sim ntawd los ntawm kev pabcuam:

 

Source: ASME B30.9; NWS 296-155-55825

 

Raws li Liftex phau ntawv qhia, slings siv nyob rau hauv ib puag ncig nrog kev tiv thaiv UV tas li yuav tsum tau kuaj xyuas ib xyoos ib zaug lossis ntau zaus nyob ntawm qhov raug mob hnyav. ASME B30.9 xav kom muaj kev tshuaj xyuas ib ntus los ntawm tus neeg tsim nyog thiab cov ntaub ntawv ntawm kev tshuaj ntsuam xyuas tsis ntev los no yuav raug khaws cia.

 

Lishenflex  pom zoo kom cov hlua uas raug mob hnyav rau ib puag ncig yuav raug tshuaj xyuas txhua hli lossis peb lub hlis twg thiab raug tshem tawm ntawm kev pabcuam ntawm thawj lub cim ntawm ib puag ncig kev puas tsuaj.

Cov ntsiab lus thiab cov lus pom zoo

Kub, UV hluav taws xob, thiab tshuaj lom neeg raug yog peb feem ntau ib puag ncig yam uas degrade hluavtaws lifting slings. Tsis zoo li txhua yam kev puas tsuaj, ib puag ncig kev puas tsuaj feem ntau pom tsis tau txog thaum lub sling tsis ua haujlwm.

 

Cov ntsiab lus tseem ceeb:

 

1. Kev txwv qhov kub thiab txias yog tsis sib tham-polyester thiab nylon puas siab tshaj 90 ° C; polypropylene siab tshaj 80 ° C

 

2. Kev puas tsuaj UV yog qhov sib ntxiv thiab hloov tsis tau-fading xim yog thawj daim ntawv ceeb toom; cov xim tsaus nti muab kev tiv thaiv zoo dua

 

3. Kev puas tsuaj tshuaj yog cov khoom siv tshwj xeeb-polyester tiv taus cov kua qaub tab sis puas alkalis; nylon yog rov qab

 

4. Tshawb xyuas ntau zaus hauv ib puag ncig hnyav-kev pabcuam hnyav yuav tsum tau kuaj xyuas txhua hli mus rau peb lub hlis twg

 

5. Kev khaws cia kom zoo tiv thaiv kev degradation - txias, qhuav, tsaus qhov chaw tiv thaiv slings los ntawm ib puag ncig kev puas tsuaj

 

Lishenflex  tsim cov khoom siv polyester nqa cov hlua nrog UV-resistant additives thiab meej xim-coded peev txheej, ua raws li EN 1492 thiab ASME B30.9 cov qauv. Peb cov khoom muaj nyob rau hauv cov xim tsaus nti rau cov ntawv thov sab nraum zoov, thiab peb muab kev cob qhia tshuaj xyuas los pab koj pab neeg txheeb xyuas qhov kev puas tsuaj ib puag ncig ntxov.

 

Yog tias koj xav tau kev pab ntsuam xyuas qhov kev pheej hmoo ntawm ib puag ncig hauv koj cov haujlwm nqa - lossis xav tau kev pab xaiv cov hlua nrog cov tshuaj tsim nyog thiab UV tiv thaiv rau koj qhov chaw tshwj xeeb - thov xa email rau sales@lishenflex.com , thiab peb pab neeg ua haujlwm yuav muab kev txhawb nqa ib leeg.