EVA Rail Pad vs Roj Hmab Rail Pad
Nov 25, 2025
Ob yam khoom, Ob tus nqi profile, ob lub neej kev pabcuam
Rail pads yog tsim los ntawm ntau yam ntaub ntawv, tab sis kev xaiv hauv kev xyaum yog feem ntau ntawm cov roj hmab (natural lossis hluavtaws compound) thiab EVA (ethylene-vinyl acetate). Ob leeg yog elastic polymers, ob qho tib si insulate hluav taws xob, thiab ob qho tib si yog tsawg - nqi khoom - tsis tau lawv coj txawv txawv nyob rau hauv txoj kev. Qhov kev txiav txim siab tsis yog hais txog qhov twg yog "zoo dua" tab sis hais txog qhov twg phim cov kab khiav, kev nyab xeeb thiab kev saib xyuas zoo.
Elasticity thiab Damping
Roj hmab yog qhov tseeb elastomer: nws deforms elastically dhau ntau hom kab mob, rov zoo, thiab muaj zog sab hauv damping uas absorbs cuam tshuam thiab kev co. Qhov no ua rau cov roj hmab pads tus qauv rau kev taug kev hauv qhov chaw uas muaj zog yuav tsum tau cushioned. EVA yog foamed los yog cov khoom siv thermoplastic nrog qis resilience: nws muab cushioning tab sis rov qab tsawg dua ntawm lub zog deformation thiab muaj zog damping dua roj hmab. Rau lub teeb khiav nrog me me speeds thiab loads, qhov sib txawv no yog txais; rau hnyav tsheb tsis yog.
Durability thiab Service Life
Roj hmab tebchaw yog tsim los nrog kev laus ua haujlwm nyob rau hauv lub siab: ib tug zoo rail pad compound khaws nws nruj thiab elasticity rau xyoo nyob rau hauv load, kub cycling thiab huab cua raug. EVA muaj kev cuam tshuam ntau dua rau kev nkag mus (tuaj mus tas li deformation nyob rau hauv kev txhawb nqa), kom softening hauv tshav kub, thiab kev laus nyob rau hauv UV thiab ozone. Ntawm cov kab uas hnyav hnyav, EVA ncoo tuaj yeem poob nws cov qauv tsim thiab tawv tawv hauv ib feem ntawm lub neej ntawm lub hnab roj hmab. Qhov no yog ib qho loj tshaj yog vim li cas hnyav -haul thiab mainline specifications hu rau roj hmab.
Kub Cwj Pwm
Rubber pads ua haujlwm thoob plaws qhov kub thiab txias tau ntsib ntawm txoj kev tiag tiag, txij thaum lub caij ntuj no txias mus rau hnub kub lub caij ntuj sov, nrog kev xaiv sib xyaw ua ke kho tus cwj pwm. EVA muaj qhov nqaim dua qhov siv tau: nws khov kho ntawm qhov kub thiab txias thiab softens zuj zus raws li qhov kub thiab txias, yog li nyob rau hauv huab cua kub los yog nyob rau lub hnub- tawm khiav nws tuaj yeem nkag thiab nyias tawm. Rau cov kab teb chaws sov lossis cov suab puam, qhov kub thiab txias ntawm cov khoom siv hauv ncoo yuav tsum tau kuaj xyuas cov huab cua hauv zos ua ntej xaiv EVA.
Hluav taws xob rwb thaiv tsev
Ob qho khoom siv insulate zoo hauv lub xeev qhuav. Nyob rau hauv cov dej ntub thiab tsis huv, cov rwb thaiv tsev nyob ntawm qhov sib xyaw ua ke, cov khoom ntim thiab qhov chaw tiav. Rubber pads rau kev taw qhia taug qab yog kuaj rau kev tiv thaiv kev tiv thaiv nyob rau hauv ntub dej; tib daim ntawv pov thawj yuav tsum tau thov rau ib qho EVA ncoo siv rau ntawm txoj kab -circuited kab.
Nqi thiab Nyhav
EVA yog sib dua thiab feem ntau pheej yig dua ib daim dua li roj hmab, thiab nws yog ib qho yooj yim los lis thiab nruab. Rau cov kab thib ob, kev lag luam sab hauv, tsheb ciav hlau, tsheb ciav hlau ib ntus thiab cov phiaj xwm uas cov peev nyiaj tswj hwm, EVA yog qhov kev xaiv raug cai. Kev lag luam tawm - tawm yog tias qhov kev sib tw ua ntej hloov lub ncoo raug nqi ntau dua li cov ntaub ntawv khaws tseg, yog li tus nqi ntawm lub neej, tsis yog tus nqi, yuav tsum tsav qhov kev txiav txim siab.
Xaiv Phau Ntawv Qhia
| Qhov xwm txheej | Cov ntaub ntawv pom zoo |
|---|---|
| Mainline, hnyav thauj, siab ceev, siab tonnage | Roj hmab |
| Ntug hiav txwv, qhov tob, siab - cov av noo | Roj Hmab (corrosion- thiab ya raws-resistant compound) |
| Lub teeb rail, tramway, industrial sidings, tsawg ceev | Roj hmab lossis EVA nyob ntawm pob nyiaj siv thiab kev nyab xeeb |
| Kev khiav ib ntus, qhov project scaffolding, qis - kab nqi | EVA tau txais nrog kev npaj hloov |
FAQ
Puas yog EVA puas tau siv rau ntawm txoj kab tseem ceeb?
Tsis tshua muaj qhov hnyav -cov haujlwm tseem ceeb. EVA pads yog siv rau lub teeb thiab nruab nrab - cov kab ua haujlwm, sab hauv thiab cov haujlwm uas cov khoom thauj me me; mainline fastening systems yog tsim thiab sim nrog roj hmab lossis siab dua - qib elastomer pads.
Kuv tuaj yeem qhia tau li cas yog tias lub ncoo yog roj hmab lossis EVA?
Los ntawm qhov ntom ntom, tsis hnov tsw thiab tus cwj pwm: roj hmab yog ntom thiab hnyav dua, muaj cov yam ntxwv roj hmab tsw thaum txiav, thiab ncab ua ntej tearing; EVA yog sib dua, foamy hauv cov qauv, thiab kua muag tau yooj yim dua. Lub npe ntawm cov khoom yuav tsum tau teev nyob rau hauv cov ntaub ntawv xa tuaj.
Puas EVA pads puas rau cov neeg pw tsaug zog?
Tsis yog ncaj qha, tab sis vim EVA nkag mus thiab txhav nrog lub hnub nyoog, lub ncoo tuaj yeem poob nws txoj haujlwm tiv thaiv, tom qab ntawd lub rooj zaum pw tsaug zog thiab ceev ceev pom muaj zog dua. Ntawm cov neeg pw tsaug zog qhov no tuaj yeem ua rau lub rooj puas thaum lub sijhawm - lwm qhov vim li cas EVA txwv rau lub luag haujlwm sib zog.
Lub ncoo twg zoo dua rau cov huab cua kub?
Roj hmab, nrog rau qhov sib xyaw xaiv rau siab -kev pabcuam kub. EVA softens zuj zus nyob rau hauv tshav kub, yog li nws muaj kev pheej hmoo ntawm lub hnub - raug taug kev nyob rau hauv tropical los yog suab puam cheeb tsam.
Kuv puas tuaj yeem hloov lub hnab roj hmab nrog EVA kom txuag tau nqi?
Tsuas yog tias cov txheej txheem fastening thiab taug qab qeb tso cai rau nws - txhais tau tias cov chav kawm nruj thiab tuab phim cov txheej txheem kos duab thiab cov khoom thauj yog me me. Nyob rau hauv lub mainline khiav, hloov EVA rau ib tug tshwj xeeb roj hmab ncoo hloov lub system kev ua tau zoo thiab tsis pom zoo.
