Thaum lub cable system yog pw hauv av, hauv ib qho kev hla av lossis ua kom cov khoom siv dej num ntawm cov roj hmab qauv, uas suav nrog cov hlau hluav taws xob txheej txheem qauv, uas suav nrog cov hlau sheath thiab ib hlau-yas composite sheath. Taug txhuas, tooj liab, txhuas thiab lwm cov ntaub ntawv hlau feem ntau siv los ua hlau sheaths rau cables; Ib daim kab xev hlau-yas daim kab xev thiab polyethylene sheath tsim lub hlau-yas sib xyaw cov ntaub riam ntawm ib qho cable. Hlau yas sib xyaw sheathing, kuj pom tias yog qhov kev softness, tab sis dej sib xyaw ua ke, cov roj hmab sib xyaw ua ke, hlau yas sib xyaw ua ke, cov hlau yas sib xyaw ua ke tseem muaj ib qho kev siv hluav taws xob.
Nyob rau hauv nruab nrab nruab nrab voltage cable qauv xws li HD 620 S2: 2009, nkaus ib sab txhuas aluminium yog siv los ua cov ntaub ntawv tsis zoo rau lub zog hluav taws xob. Lub hlau txheej ntawm ib leeg-togyas txheej txhuas daim kab xevyog nyob rau hauv kev sib chwv ncaj qha nrog cov ntaub thaiv insulating, thiab ua lub luag haujlwm ntawm cov hlau hlau ntawm tib lub sijhawm. Nyob rau hauv European tus qauv, nws yog qhov tsim nyog los sim cov kev sib zog nqus ntawm cov yas kab txhuas thiab nqa tawm cov dej sib dhos kom ntsuas cov dej radial tsis kam ntawm cable; Nyob rau tib lub sijhawm, nws tseem tsim nyog los ntsuas DC tiv thaiv ntawm cov yas coated aluminium daim kab xev kom ntsuas nws lub peev xwm nqa lub sijhawm luv luv.
1. Kev faib tawm ntawm cov yas nplaum txhuas cov kab xev
Raws li cov lej sib txawv ntawm cov duab yas ua ke nrog cov khoom siv longitudinal)
Cov dej lim dej ntau thiab noo noo-pov thawj tiv thaiv txheej ntawm ob tog yas sau cov nplaum, polyolefin thiab lwm yam sheathing ground lub luag haujlwm ntawm radial dej thiab noo noo-pov thawj. Ib leeg-tog yas coated aluminium daim ntaub pua feem ntau siv rau kev thaiv cov ntaub thaiv cov ntaub thaiv kev sib txuas lus cable.
Hauv qee qhov xwm txheej European, ntxiv rau siv los ua cov ntaub thaiv npog dej, thiab txhuas daim hlau txiav tawm kom pom kev zoo piv nrog cov thaiv tooj liab.
2. Ntev Wrapping Cov Txheej Txheem Yas Txheej Txhuas Txhuas Txhuas Txhuas
Cov txheej txheem Wrapping Ntev-yas Composite Strip yog hais txog cov txheej txheem xim yas los ntawm cov raj tshuaj pleev xim rau ntawm cov yas ntawm cov yas coated aluminium daim kab xev aluminium. Ob lub npoo ntawm cov yas coated aluminium daim ntaub yog tiaj thiab du, cov npoo tau sib raug zoo nruj, thiab tsis muaj cov tev-yas.
Cov txheej txheem ntawm kev hloov cov yas coated aluminium kab xev los ntawm kev siv cov ntawv qhwv ntev ntev uas yuav tau tuag, ib kab ruaj ruaj tuag thiab lub sizing tuag. Cov duab ntws ntws ntawm cov ntaub qhwv ntev ntev ntawm cov yas coated Aluminium daim ntaub yog muaj nyob hauv daim duab hauv qab no. Ob lub npoo ntawm tubular yas coated aluminium daim kab xev tuaj yeem sib khi los ntawm ob cov txheej txheem: kub bonding thiab mob khaub thuas.
(1) Cov txheej txheem kub
Cov txheej txheem thermal ua yog siv cov yas yas ntawm cov yas txheej txhuas cov kab xev txhuas kom mos muag ntawm 70 ~ 90 ℃. Hauv cov txheej txheem deformation ntawm cov yas coated aluminium daim ntaub, thiab ob lub npoo txhuas yog siv cov viscosity tom qab cov muag muag ntawm txheej yas. Muab ob lub npoo ntawm cov yas coated aluminium daim ntaub ceev.
(2) cov txheej txheem txias
Tus txheej txheem ua haujlwm mob khaub thuas muab faib ua ob hom, ib qho yog qhov sib zog ntawm cov extruder, thiab cov extruder lub taub hau, thiab hais tias cov yas sib sau ua ntej nkag mus rau tus extruder tuag tus tub ntxhais tom qab tau coj tawm tuag. Qhov extrusion siab ntawm cov hmoov ntaub ua rau cov qauv tubular qauv ntawm cov yas ntoo, thiab txheej kub ntawm cov yas nplaum kom tiav cov kev ua haujlwm sib txawv. Cov thev naus laus zis no haum rau ob-sided yas coated aluminium daim ntaub yog yooj yim rau cov khoom siv yooj yim, thiab cov yas coated aluminium daim ntaub nyias yog yooj yim rau rov qab.
Lwm cov txheej txheem txias dua yog kev siv cov nplaum uas muaj cov kab nplaum ntawm cov kab ntawv nplaum Cov thev naus laus zis no yog tsim nyog rau ob sab ob leeg yas coated aluminium daim kab xev thiab ib sab yas coated aluminium daim kab xev txhuas. Nws cov pwm ua thiab cov khoom siv tsim khoom yog qhov ua haujlwm yooj yim los ua haujlwm, tab sis nws cov nyhuv sib raug zoo yog cuam tshuam heev los ntawm qhov zoo tshaj ntawm kub yaj.
Txhawm rau kom ntseeg tau tias kev ua haujlwm ntawm kev sib xyaw ntawm cable, yog li cov yas ntoo uas muaj cov ntaub thaiv npog cov ntaub nyias nyias yuav tsum tau siv ua cov hlau thaiv ntawm txoj hlua hlau. Piv txwv li, tus txheej txheem kub uas tau hais nyob hauv daim ntawv no tsuas yog tsim nyog rau ob sabyas txheej txhuas daim kab xev, Thaum lub sijhawm ua haujlwm mob khaub thuas uas siv kub qhuav adhesive yog qhov haum rau ib leeg yas txheej yas coated aluminium daim kab xev txhuas.
Lub Sijhawm Post: Jul-30-2024