Rail pad kev ua haujlwm laus thiab hloov kev voj voog
- Dab tsi yog qhov tseem ceeb tshaj plaws ntawm kev laus ntawm - rail pads?
Roj hmab pads yuav qhia cov kab nrib pleb thiab tawv nqaij tom qab laus, nrog kev sib cav, thiab rov qab maj mam thaum nias nrog cov ntiv tes; Polyurethane Pads yuav qhia ntim shrinkage thiab npuas tom qab kev laus, nrog txo qis cushioning kev ua tau zoo; Cov ntaub qhwv muaj hnub nyoog loj yuav delaminate lossis tawg, tsis tuaj yeem hloov kho tau zoo thiab cov coj ua tsis ncaj ncees rau kev ntxhov siab.
- Dab tsi ib puag ncig qhov cuam tshuam rau kev laus ntawm hauv qab - rail pads?
Ultraviolet hluav taws xob yuav ua kom nrawm dua cov oxidative decomposition ntawm cov roj hmab thiab cov khoom siv polyurethane. Hauv cov cheeb tsam uas muaj zog ultraviolet hluav taws xws li platauus thiab cov suab puam, cov laus}}}}}}}} dua li ntawd hauv thaj chaw dawb; Hauv cov cheeb tsam uas muaj cov pa kub loj, cov ntaub qhwv tau zoo rau kev qaug zog vim kev nthuav dav thiab kev cog lus. Huab ib puag ncig yuav ua rau cov ntaub qhwv dej, tshwj xeeb yog tsis yog - kaw-cell pell. Tom qab nqus dej, lawv yuav txo qis kev elasticity, nce phaus thiab ua kom nrawm dua; Tshuaj lom neeg corrosion, xws li cov roj corrosive lossis kua dej los ntawm cov nroj tsuag tshuaj lom neeg, yuav rhuav tshem cov qauv molecular ntawm cov ntaub qhwv thiab ua kom lawv muaj hnub nyoog ua ntej.
- Dab tsi yog qhov sib txawv hauv kev laus lub neej ntawm hauv qab - rail pad ua los ntawm cov khoom sib txawv?
Lub neej laus ntawm cov hnab roj hmab ntawm cov roj hmab zoo ib yam li 8 {- 10 xyoo, thiab luv rau 5-6 xyoo nyob rau thaj chaw uas muaj zog ultraviolet rays; kev laus lub neej ntawm styrene-butadiene roj hmab cov ntaub yog 2-3 xyoos ntev dua li ntawm cov roj hmab ntuj, mus txog 10-12 xyoo hauv ib puag ncig ib puag ncig; Neoprene Pads muaj kev laus loj tiv thaiv, nrog kev laus lub neej ntawm 12-15 xyoos; Kev laus lub neej ntawm polyurethane ta nyob rau hauv cov chaw qhuav yog li 10-12 xyoos, tab sis yuav poob rau 7-8 xyoos nyob rau hauv ib puag ncig vaum.
- Yuav ntsuas kev laus li cas ntawm kev laus ntawm - rail pads?
Los ntawm kev sim hardness, siv ntug dej DAB ntsuas ntsuas qhov nyuaj ntawm lub ncoo. Piv nrog cov ntaub qhwv tshiab, yog tias kev hloov tawv hloov tau ntau dua 20%, nws qhia tau tias kev laus yog qhov hnyav dua; Ua kev ntsuas tus nqi ELLAST Yog tias lub sijhawm rov qab yog 50% ntev dua li tias ntawm cov ncoo tshiab, nws qhia tau tias txoj kev elasticity tau txo qis; Cov tsos pom zoo, yog tias thaj chaw tawg ntau dua 30%, pom tseeb delamination lossis pob txha lov, nws raug txiav txim rau kev laus loj.
- Yuav ua li cas txiav txim siab txog kev hloov tsheb sib hloov ntawm -} rail pads?
Ntuj roj hmab cov ntaub qhwv rau kev tsheb ciav hlau ib txwm yog hloov txhua 8 {1 xyoo hauv thaj chaw dawb; Styrene - butadiene roj hmab lossis neoprene padws, vim qhov kev tsheb ceev thiab siab rau kev ua tau zoo, tau hloov txhua 6-8 xyoo; Cov duab hauv cov cheeb tsam uas muaj zog ultraviolet rays, tsis hais cov khoom siv, yuav tsum muaj lawv cov hloov tsheb luv luv los ntawm 20% -30%; Polyurethane ntaub ntawv rau hnyav-kev tsheb ciav hlau, xav txog kev nrawm nrawm ntawm kev laus los ntawm kev thauj khoom, tau hloov txhua 5-7 xyoo. Thaum hloov chaw, cov ntaub qhwv hauv tib seem yuav tsum tau hloov kom zam dhau qhov kev cuam tshuam ntawm kev ua tau zoo ntawm cov laus thiab cov xov tooj tshiab khiav ntawm smoontess.