Txhawm rau kom paub meej tias qhov muag cab cable yog tiv thaiv los ntawm kev kho tshuab, thermal, tshuaj lom neeg, nws yuav tsum tau nruab nrog cov khaubncaws sab nraud pov tseg. Cov kev ntsuas no kom zoo txuas ntxiv cov kev pabcuam lub neej ntawm kho qhov muag.
Cov cabs zoo ib txwm muaj nyob hauv cov cable optical suav nrog cov sheaths (alyethylene beaths), s-sheathlene breaths), thiab polyethylene sheaths. Rau cov dej tob tob-dej kho qhov muag, nws yog xim hlau kaw sheaths yog feem ntau ua haujlwm.
Polyethylene sheaths yog tsim los ntawm cov kab qis-ceev, me me-ceev, lossisHigh-density Dub Polyethylene Cov Khoom, conforming rau GB / T15065 tus qauv. Qhov saum npoo ntawm cov polyethylene sheath yuav tsum yog tus thiab tsis zoo, dawb ntawm pom npuas, pinholes, lossis tawg. Thaum siv raws li lub ntsej muag sab nraud, cov nominal tuab yuav tsum yog 2.0 mm, nrog qhov tsawg kawg nkaus ntawm 1.6 mm, thiab qhov nruab nrab tuab ntawm ib qho kev sib tw yuav tsum tsis pub tsawg tshaj 1.8 hli. Cov khoom siv khomob thiab lub cev ntawm cov riam yuav tsum tau ua kom tau raws li qhov yuav tsum tau teev tseg hauv YD / T907-1997, Rooj 4.
Lub a-sheath muaj cov txheej txheem noo noo txheej ua los ntawm cov qhwv ntev ntev thiab sib tshoojyas txheej txhuas daim kab xev, ua ke nrog ib tug extruded dub polyethylene sheath. Cov polyethylene sheath bonds nrog cov ntawv sib xyaw nrog cov kab xev uas muaj composite thiab cov npoo sib tshooj ntawm daim kab xev, uas tuaj yeem txhawb nqa tau txuas ntxiv nrog cov nplaum yog tias xav tau. Qhov sib tshooj dav ntawm cov kab xev composite yuav tsum tsis pub tsawg tshaj 6 hli, lossis rau Cores cores nrog kev diameters nrog 20,5 mm, nws yuav tsum tsis pub tsawg tshaj li 20% ntawm cov tub ntxhais lub qhov chaw. Lub nominal tuab ntawm polyethylene sheath yog 1.8 mm, nrog tsawg kawg nkaus ntawm 1.5 mm, thiab qhov nruab nrab thickness tsis tsawg tshaj li 1.6 hli. Rau hom 53 sab nraud txheej, cov nominal tuab yog 1.0 hli, qhov tsawg kawg nkaus tuab yog 0.8 mm, thiab qhov nruab nrab thickness yog 0.9 hli. Aluminium Yas Ulosite Daim Kab Xev yuav tsum tau ntsib YD / T723.2 ML lossis 0.15 hli (tsawg kawg 0.14 mm) thiab cov duab sib dhos ntawm 0.05 hli.
Ob peb qho kev sib xyaw ua ke daim kab xev pob qij txha raug tso cai thaum muaj cable raug, muab cov pob txha sib koom ua ke tsis pub tsawg tshaj 350 m. Cov pob qij txha no yuav tsum ua kom muaj hluav taws xob txuas ntxiv thiab rov qab cov txheej txheej yas yas. Lub zog ntawm kev sib koom tes yuav tsum tsis pub tsawg tshaj 80% ntawm daim kab xev thawj lub zog.
S-sheat siv cov txheej txheem ya raws ua los ntawm cov khoom qhwv ntev ntev thiab sib tshooj sib txuasYas Txheej Hlau Xev, ua ke nrog ib tug extruded dub polyethylene sheath. Cov polyethylene sheath bonds nrog cov ntawv sib xyaw nrog cov kab xev uas muaj composite thiab cov npoo sib tshooj ntawm daim kab xev, uas tuaj yeem txhawb nrog cov nplaum yog tias tsim nyog. Cov kab xev corrugated yuav yuav tsum tau ua lub nplhaib-zoo li qauv tom qab qhwv. Qhov dav dav yuav tsum tsis pub tsawg dua 6 hli, lossis rau Cores cores nrog diameters tsawg dua 9.5 mm, nws yuav tsum tsis pub tsawg tshaj li 20% ntawm cov tub ntxhais lub qhov chaw. Lub nominal tuab ntawm polyethylene sheath yog 1.8 mm, nrog tsawg kawg nkaus ntawm 1.5 mm, thiab qhov nruab nrab thickness tsis tsawg tshaj li 1.6 hli. Tus Hlau-Yas Composite Kab Xev yuav tsum tau ua tiav ntawm YD / T723.3 mm (yam tsawg kawg nkaus 0.13 mm (yam tsawg kawg nkaus 0.13 mm (cov yeeb yaj kiab sib xyaw ntawm 0.05 hli.
Composite daim kab xev cov pob qij txha muaj kev tso cai thaum cable tsim, nrog qhov tsawg kawg nkaus sib koom tes ntawm 350 m. Cov kab xev hlau yuav tsum tau cov pob tw-pob qij txha, ua kom muaj hluav taws xob txuas ntxiv thiab rov qab cov txheej composite. Lub zog ntawm kev sib koom tes yuav tsum tsis pub tsawg tshaj li 80% ntawm cov thawj daim kab xev uas muaj zog.
Aluminium daim kab xev, hlau txiav, thiab nws yog xim hlau archers siv rau cov dej noo yuav tsum muaj hluav taws xob txuas nrog rau cable ntev. Txog rau kev sib raug zoo sheaths (suav nrog hom 53 sab nraud txheej), cov ntaub qhwv lub zog ntawm txhuas lossis cov kab xev hlau, yuav tsum tsis txhob tsawg dua 1.4 n / hli. Txawm li cas los xij, thaum cov khoom siv dej los yog siv cov khoom siv los yog siv cov kab xev txhuas lossis cov kab hlau, lub zog tev ntawm cov npoo sib tshooj tsis tas yuav tsum tau ua.
Qhov qauv tiv thaiv no ua rau lub durability thiab kev ntseeg tau ntawm cov hluav taws xob kho qhov muag hauv ntau qhov chaw, kev xav tau ntawm cov kev sib txuas lus niaj hnub.
Lub Sijhawm Post: Jan-20-2025