Lub plhaub cable (tseem hu ua lub plhaub sab nraud lossis lub plhaub) yog txheej sab nraud tshaj plaws ntawm cov cable, optical cable, lossis hlau, ua qhov tseem ceeb tshaj plaws hauv cov cable los tiv thaiv kev nyab xeeb sab hauv, tiv thaiv cov cable los ntawm cua sov sab nraud, txias, ntub dej, ultraviolet, ozone, lossis tshuaj lom neeg thiab kev puas tsuaj thaum lub sijhawm thiab tom qab kev teeb tsa. Cov plhaub cable tsis yog txhais tau tias hloov cov khoom siv hauv cov cable, tab sis lawv kuj tuaj yeem muab qib siab ntawm kev tiv thaiv txwv. Tsis tas li ntawd, cov plhaub cable kuj tseem tuaj yeem kho cov duab thiab daim ntawv ntawm tus neeg coj xov hlau, nrog rau cov txheej tiv thaiv (yog tias muaj), yog li txo qis kev cuam tshuam nrog cov cable's electromagnetic compatibility (EMC). Qhov no yog qhov tseem ceeb kom ntseeg tau tias muaj kev sib kis ntawm lub zog, teeb liab, lossis cov ntaub ntawv hauv cov cable lossis hlau. Sheathing kuj ua lub luag haujlwm tseem ceeb hauv kev ruaj khov ntawm cov optical cables thiab cov hlau.
Muaj ntau hom ntaub thaiv cable, cov ntaub thaiv cable feem ntau siv yog -Cov polyethylene sib txuas (XLPE), polytetrafluoroethylene (PTFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy resin (PFA), polyurethane (PUR),polyethylene (PE), thermoplastic elastomer (TPE) thiabpolyvinyl chloride (PVC), Lawv txhua tus muaj cov yam ntxwv kev ua tau zoo sib txawv.
Kev xaiv cov khoom siv raw rau kev siv cov hlua khi yuav tsum xav txog qhov kev hloov pauv mus rau ib puag ncig thiab kev sib raug zoo ntawm kev siv cov khoom sib txuas. Piv txwv li, qhov chaw txias heev yuav xav tau cov hlua khi uas tseem yoog tau ntawm qhov kub qis heev. Kev xaiv cov khoom siv khi kom raug yog qhov tseem ceeb rau kev txiav txim siab qhov zoo tshaj plaws ntawm cov hlua khi kho qhov muag rau txhua daim ntawv thov. Yog li ntawd, nws yog ib qho tseem ceeb kom nkag siab meej tias lub hlua khi kho qhov muag lossis hlau yuav tsum ua raws li lub hom phiaj dab tsi thiab nws yuav tsum ua raws li qhov yuav tsum tau ua dab tsi.
Polyvinyl Chloride (PVC)yog ib yam khoom siv feem ntau siv rau kev sheathing cable. Nws yog ua los ntawm polyvinyl chloride raws li resin, ntxiv stabilizer, plasticizer, inorganic fillers xws li calcium carbonate, additives thiab roj nplua nyeem, thiab lwm yam, los ntawm kev sib tov thiab kneading thiab extrusion. Nws muaj cov khoom zoo lub cev, mechanical thiab hluav taws xob, thaum muaj kev tiv thaiv huab cua zoo thiab tshuaj lom neeg ruaj khov, nws kuj tuaj yeem txhim kho nws cov kev ua tau zoo los ntawm kev ntxiv ntau yam additives, xws li hluav taws kub retardant, kub tiv thaiv thiab lwm yam.
Txoj kev tsim cov PVC cable sheath yog ntxiv cov khoom PVC rau hauv extruder thiab extrude lawv nyob rau hauv qhov kub thiab siab los ua ib lub tubular cable sheath.
Qhov zoo ntawm PVC cable jacket yog pheej yig, yooj yim rau kev ua thiab teeb tsa, thiab ntau yam kev siv. Nws feem ntau siv rau hauv cov cables qis-voltage, cov cables sib txuas lus, cov xov hlau tsim kho thiab lwm yam teb. Txawm li cas los xij, qhov kub thiab txias siab, txias txias, UV thiab lwm yam khoom ntawm PVC cable sheathing tsis muaj zog, muaj cov tshuaj lom neeg rau ib puag ncig thiab tib neeg lub cev, thiab muaj ntau yam teeb meem thaum siv rau hauv ib puag ncig tshwj xeeb. Nrog rau kev txhim kho ntawm tib neeg txoj kev paub txog ib puag ncig thiab kev txhim kho ntawm cov khoom siv ua tau zoo, cov kev xav tau siab dua tau muab tso rau pem hauv ntej rau cov ntaub ntawv PVC. Yog li ntawd, hauv qee qhov chaw tshwj xeeb, xws li kev tsav dav hlau, aerospace, nuclear fais fab thiab lwm yam teb, PVC cable sheathing yog siv zoo.
Polyethylene (PE)yog ib yam khoom siv rau kev siv cable sheath. Nws muaj cov khoom siv kho tshuab zoo thiab kev ruaj khov ntawm tshuaj lom neeg, thiab nws tiv taus kub, txias thiab huab cua zoo. PE cable sheath tuaj yeem txhim kho los ntawm kev ntxiv cov khoom ntxiv, xws li cov tshuaj antioxidants, UV absorbers, thiab lwm yam.
Txoj kev tsim cov PE cable sheath zoo ib yam li PVC, thiab PE cov khoom raug ntxiv rau lub extruder thiab extruded nyob rau hauv qhov kub thiab siab los ua ib lub tubular cable sheath.
PE cable sheath muaj qhov zoo ntawm kev tiv taus kev laus ib puag ncig thiab tiv taus UV, thaum tus nqi qis dua, siv dav hauv cov cables optical, cov cables voltage qis, cov cables sib txuas lus, cov cables mining thiab lwm yam teb. Cross-linked Polyethylene (XLPE) yog cov khoom siv cable sheath nrog cov khoom siv hluav taws xob thiab kho tshuab siab. Nws yog tsim los ntawm cov ntaub ntawv polyethylene cross-linking ntawm qhov kub siab. Cov tshuaj tiv thaiv crosslinking tuaj yeem ua rau cov khoom siv polyethylene tsim cov qauv network peb-seem, uas ua rau nws muaj lub zog siab thiab tiv taus kub siab. XLPE cable sheathing yog siv dav hauv cov cables voltage siab, xws li cov kab xa xov, substations, thiab lwm yam. Nws muaj cov khoom siv hluav taws xob zoo heev, lub zog kho tshuab thiab kev ruaj khov tshuaj lom neeg, tab sis kuj muaj kev tiv taus kub zoo heev thiab tiv taus huab cua.
Polyurethane (PUR)hais txog ib pawg yas uas tau tsim nyob rau xyoo 1930s. Nws yog tsim los ntawm cov txheej txheem tshuaj hu ua kev ntxiv polymerization. Cov khoom siv raw feem ntau yog roj av, tab sis cov khoom cog xws li qos yaj ywm, pob kws lossis qab zib beets kuj tuaj yeem siv rau hauv nws cov khoom tsim. PUR yog cov khoom siv cable sheathing feem ntau siv. Nws yog cov khoom siv elastomer uas muaj kev tiv thaiv zoo heev, tiv thaiv kev laus, tiv thaiv roj thiab tiv thaiv acid thiab alkali, thaum muaj lub zog zoo thiab cov khoom rov qab elastic. Lub PUR cable sheath tuaj yeem txhim kho los ntawm kev ntxiv cov khoom ntxiv, xws li cov tshuaj tiv thaiv hluav taws, cov neeg sawv cev tiv taus kub siab, thiab lwm yam.
Txoj kev tsim cov PUR cable sheath yog ntxiv cov khoom PUR rau hauv lub extruder thiab extrude lawv nyob rau hauv qhov kub thiab siab kom ua ib lub tubular cable sheath. Polyurethane muaj cov khoom siv kho tshuab zoo heev.
Cov khoom siv no muaj kev tiv thaiv kev hnav zoo heev, kev tiv thaiv kev txiav thiab kev tiv thaiv kev tsim kua muag, thiab tseem muaj kev ywj pheej txawm tias nyob rau qhov kub qis. Qhov no ua rau PUR tsim nyog rau cov ntawv thov uas xav tau kev txav mus los thiab kev khoov, xws li kev rub cov saw hlau. Hauv cov ntawv thov robotic, cov cables nrog PUR sheathing tuaj yeem tiv taus ntau lab lub voj voog khoov lossis lub zog torsional muaj zog yam tsis muaj teeb meem. PUR kuj muaj kev tiv thaiv zoo rau roj, cov kuab tshuaj thiab ultraviolet hluav taws xob. Tsis tas li ntawd, nyob ntawm cov khoom sib xyaw, nws yog halogen-dawb thiab nplaim taws retardant, uas yog cov qauv tseem ceeb rau cov cables uas tau ntawv pov thawj UL thiab siv hauv Tebchaws Meskas. PUR cables feem ntau siv rau hauv tshuab thiab Hoobkas tsim kho, kev lag luam automation, thiab kev lag luam tsheb.
Txawm hais tias PUR cable sheath muaj cov khoom zoo, cov khoom siv kho tshuab thiab cov tshuaj lom neeg, nws tus nqi kuj siab thiab nws tsis haum rau cov sijhawm pheej yig, cov sijhawm tsim khoom loj.
Polyurethane thermoplastic elastomer (TPU)yog cov khoom siv uas siv ntau tshaj plaws rau cov xov hlau. Txawv ntawm polyurethane elastomer (PUR), TPU yog cov khoom siv thermoplastic uas muaj kev ua haujlwm zoo thiab plasticity.
TPU cable sheath muaj kev tiv thaiv zoo hnav, tiv taus roj, tiv taus acid thiab alkali thiab tiv taus huab cua, thiab muaj lub zog zoo thiab kev ua haujlwm rov qab elastic, uas tuaj yeem hloov kho rau kev txav mus los thiab kev co ib puag ncig.
Lub TPU cable sheath yog tsim los ntawm kev ntxiv TPU cov khoom rau hauv lub extruder thiab extruding lawv nyob rau hauv qhov kub thiab txias siab thiab siab los ua ib lub tubular cable sheath.
TPU cable sheathing yog siv dav hauv kev lag luam automation, cov cuab yeej siv tshuab, cov txheej txheem tswj kev txav mus los, robots thiab lwm yam teb, nrog rau tsheb, nkoj thiab lwm yam teb. Nws muaj kev tiv thaiv zoo hnav thiab kev ua haujlwm rov qab elastic, tuaj yeem tiv thaiv cov cable zoo, tab sis kuj muaj kev tiv thaiv kub siab thiab kub qis.
Piv nrog PUR, TPU cable sheathing muaj qhov zoo ntawm kev ua haujlwm zoo thiab plasticity, uas tuaj yeem hloov kho rau ntau qhov loj me thiab cov duab ntawm cable. Txawm li cas los xij, tus nqi ntawm TPU cable sheathing yog kim heev, thiab nws tsis haum rau cov sijhawm tsim khoom pheej yig.
Cov roj hmab silicone (PU)yog ib yam khoom siv rau kev siv cable sheathing. Nws yog ib yam khoom siv organic polymer, uas yog hais txog cov saw hlau tseem ceeb uas muaj silicon thiab oxygen atoms hloov pauv, thiab cov silicon atom feem ntau txuas nrog ob pawg roj hmab organic. Cov roj hmab silicone ib txwm muaj feem ntau yog tsim los ntawm cov saw hlau silicone uas muaj methyl pawg thiab me me ntawm vinyl. Kev qhia txog pawg phenyl tuaj yeem txhim kho qhov kub thiab txias ntawm cov roj hmab silicone, thiab kev qhia txog pawg trifluoropropyl thiab cyanide tuaj yeem txhim kho qhov kub thiab txias thiab roj tsis kam ntawm cov roj hmab silicone. PU muaj qhov kub thiab txias zoo, tiv taus txias thiab tiv taus oxidation, thiab kuj muaj cov khoom mos mos zoo thiab rov qab elastic. Cov roj hmab silicone cable sheath tuaj yeem txhim kho nws cov kev ua tau zoo los ntawm kev ntxiv ntau yam khoom ntxiv, xws li cov neeg sawv cev tiv taus hnav, cov neeg sawv cev tiv taus roj, thiab lwm yam.
Txoj kev tsim cov roj hmab silicone cable sheath yog ntxiv cov roj hmab silicone sib xyaw rau hauv lub extruder thiab extrude nws nyob rau hauv qhov kub thiab siab kom ua ib lub raj cable sheath. Silicone roj hmab cable sheath yog siv dav hauv qhov kub thiab siab, siab, huab cua tsis kam, xws li aerospace, nuclear fais fab nroj tsuag, petrochemical, tub rog thiab lwm yam teb.
Nws muaj kev tiv taus kub zoo thiab tiv taus oxidation, tuaj yeem ua haujlwm ruaj khov hauv qhov kub thiab txias, siab siab, muaj zog corrosion ib puag ncig, tab sis kuj muaj lub zog kho tshuab zoo thiab kev ua haujlwm rov qab elastic, tuaj yeem hloov kho rau kev txav mus los thiab kev co ib puag ncig.
Piv nrog rau lwm cov ntaub ntawv cable sheathing, silicone roj hmab cable sheathing muaj kev tiv taus kub thiab oxidation tsis kam, tab sis kuj muaj qhov mos mos zoo thiab kev ua haujlwm rov qab elastic, haum rau cov chaw ua haujlwm nyuaj dua. Txawm li cas los xij, tus nqi ntawm silicone roj hmab cable sheath yog kim heev, thiab nws tsis haum rau cov sijhawm tsim khoom pheej yig.
Polytetrafluoroethylene (PTFE)yog ib yam khoom siv rau kev siv cable sheathing, tseem hu ua polytetrafluoroethylene. Nws yog ib yam khoom polymer uas muaj kev tiv thaiv corrosion zoo heev, tiv taus kub thiab tshuaj lom neeg, thiab tuaj yeem ua haujlwm ruaj khov hauv qhov kub thiab txias heev, siab siab thiab muaj zog corrosion. Tsis tas li ntawd, cov yas fluorine kuj muaj cov yam ntxwv zoo tiv taus hluav taws thiab tiv taus hnav.
Txoj kev tsim cov yas fluorine cable sheath yog ntxiv cov yas fluorine rau hauv lub extruder thiab extrude lawv nyob rau hauv qhov kub thiab siab kom tsim tau ib lub raj cable sheath.
Cov yas fluorine cable sheath yog siv dav hauv aerospace, nuclear fais fab nroj tsuag, petrochemical thiab lwm yam khoom siv siab, nrog rau semiconductors, optical kev sib txuas lus thiab lwm yam. Nws muaj kev tiv thaiv corrosion zoo heev thiab kub siab, tuaj yeem ua haujlwm ruaj khov hauv qhov kub siab, siab siab, muaj zog corrosion ntev, tab sis kuj muaj lub zog kho tshuab zoo thiab kev ua haujlwm rov qab elastic, tuaj yeem hloov kho rau kev txav mus los thiab kev co.
Piv nrog rau lwm cov ntaub ntawv cable sheath, fluorine yas cable sheath muaj kev tiv thaiv corrosion ntau dua thiab tiv taus kub siab, tsim nyog rau cov chaw ua haujlwm hnyav dua. Txawm li cas los xij, tus nqi ntawm fluorine yas cable sheath yog kim heev, thiab nws tsis haum rau cov sijhawm tsim khoom pheej yig.
Lub sijhawm tshaj tawm: Lub Kaum Hli-14-2024