Nyob rau hauv kev xaiv ntawm muab tub lim rau nruab nrab thiab high voltage cables, muab tub lim hlua thiab muab tub lim strip muaj lawv tus kheej yam ntxwv thiab muaj feem xyuam rau scenarios.
1. Bending kev ua tau zoo:
Txoj kev khoov kev ua haujlwm ntawm lubhlua hluayog zoo dua, thiab cov duab ntawm cov muab tub lim zoo dua, tab sis qhov kev ua tau zoo ntawm cov kab tiav yog qhov tsis zoo. Qhov no ua rau txoj hlua muab tub lim ua tau zoo dua nyob rau hauv cov nqe lus ntawm cable softness thiab yooj.
2. Cov ntsiab lus dej:
Cov hlua muab tub lim yog ntau ntom, yuav luag tsis nqus dej, thiab cov hlua khi vim nws qhov sib txawv loj, yooj yim nqus dej. Kev nqus dej ntau dhau yuav cuam tshuam rau cov hlua khi tooj liab ntawm lub cable, ua rau muaj xim liab thiab txawm tias oxidation.
3. Nqi thiab ntau lawm nyuaj:
Tus nqi ntawm cov muab tub lim yog tsawg, thiab cov txheej txheem ntau lawm kuj yooj yim. Nyob rau hauv sib piv, tus nqi ntawm muab tub lim strips yog me ntsis siab dua, lub voj voog ntau lawm ntev, thiab cov txheej txheem ntau lawm yog complex.
4. nplaim retardant thiab ntsug dej tsis kam:
Lub tshuab muab tub lim tsis haum rau cov nplaim hluav taws xob hluav taws xob vim nws qhov sib txawv loj, tsis zoo ntsug dej tsis kam, thiab tsis zoo rau cov nplaim hluav taws. Covhlua hluaua tau zoo dua hauv qhov no, muab cov nplaim hluav taws zoo dua thiab dej tsis kam.
Hauv cov ntsiab lus, kev xaiv cov hlua khi los yog muab tub lim feem ntau yog nyob ntawm daim ntawv thov tshwj xeeb, cov nqi siv nyiaj thiab kev tsim khoom thiab lwm yam.
Dab tsi yog qhov kev thov tshwj xeeb ntawm txoj hlua muab tub lim thiab cov hlua khi rau hauv ntau hom cable?
1. Filler hlua:
(1) Sab nraum zoov txheej armored cable: xoob lub tes tsho (thiab sau hlua) nyob ib ncig ntawm lub non-metal center reinforcement core (phosphating steel hlau) twisted synthesis ntawm compact cable core, siv rau mining kho qhov muag cables, pipeline optical cables, overhead optical cables, ncaj qha faus optical cables, sab hauv kho qhov muag cables thiab subway yeeb nkab gallery tshwj xeeb kho qhov muag cables.
(2) RVV cable: tsim nyog rau kev txhim kho nyob rau hauv ib puag ncig sab hauv tsev, qhov ntim feem ntau yog ua los ntawm paj rwb, PE hlua lossis PVC, lub luag haujlwm tseem ceeb yog txhawm rau txhim kho lub zog ntawm lub tshuab hluav taws xob.
(3) Nplaim hluav taws xob cable: txoj hlua muab tub lim tsis tsuas yog ua lub luag haujlwm txhawb nqa, tab sis kuj muaj cov nplaim hluav taws xob ua haujlwm, thiab siv dav hauv ntau yam kev lag luam hauv tebchaws.
2. Filler strip:
(1) Multi-core cable: lub tshuab muab tub lim yog siv los sau qhov sib txawv ntawm cov neeg siv khoom thiab tuav lub voj voog thiab kev ruaj ntseg ntawm cov cable.
(2) Cable rau tsheb thauj mus los: Tom qab ntxiv qhov chaw muab tub lim, nws cov qauv ruaj khov dua, thiab nws tsim nyog rau cov fais fab cables thiab tswj cables.
Yuav ua li cas khoov tus cwj pwm ntawm txoj hlua muab tub lim cuam tshuam rau tag nrho cov kev ua tau zoo thiab kev pabcuam lub neej ntawm cable?
Txoj kev khoov ntawm txoj hlua muab tub lim muaj qhov cuam tshuam tseem ceeb ntawm kev ua haujlwm tag nrho thiab kev pabcuam lub neej ntawm lub cable. Ua ntej, lub cable yuav nquag muaj kev khoov, kev co thiab cov neeg kho tshuab poob siab thaum lub sijhawm ua haujlwm, uas tuaj yeem ua rau kev puas tsuaj lossis tawg ntawm lub cable. Yog li ntawd, txoj kev khoov ntawm txoj hlua muab tub lim ncaj qha cuam tshuam rau kev ua haujlwm ntev thiab kev ntseeg siab ntawm lub cable.
Tshwj xeeb tshaj yog, kev khoov nruj ntawm cov hlua ntim khoom cuam tshuam rau kev ntxhov siab thiab qaug zog lub neej ntawm cov cable thaum raug rau sab nraud quab yuam. Piv txwv li, kev tsim ntawm ntau yam kev sib txhuam coefficients tso cai rau cov bending txhav ntawm cov hlua hlua kom sib txawv ntawm qhov siab tshaj plaws thiab qhov tsawg kawg nkaus, yog li ua kom lub neej kev pab cuam ntawm lub cable nyob rau hauv cua loading. Tsis tas li ntawd, cov qauv braided ntawm txoj hlua muab tub lim tseem yuav cuam tshuam rau kev ua haujlwm ntawm kev qaug zog ntawm cov hlua, thiab cov qauv braided uas tsim nyog tuaj yeem txo qhov hnav thiab kev puas tsuaj ntawm lub cable thaum siv.
Cov cuab yeej khoov ntawm txoj hlua muab tub lim cuam tshuam rau tag nrho cov kev ua tau zoo thiab kev pabcuam lub neej ntawm lub cable los ntawm kev cuam tshuam cov kev ntxhov siab, lub neej qaug zog thiab hnav tsis kam ntawm lub cable.
Yuav ua li cas tiv thaiv redness thiab oxidation los ntawm kev nqus dej?
Txhawm rau tiv thaiv qhov liab thiab oxidation tshwm sim los ntawm kev nqus dej ntawm cov khoom muab tub lim, cov hauv qab no tuaj yeem siv tau:
1. Siv cov tshuaj antioxidants: Ntxiv cov tshuaj antioxidants rau cov khoom ntim tuaj yeem tiv thaiv qhov tshwm sim ntawm cov tshuaj tiv thaiv oxidation. Piv txwv li, ntxiv cov tshuaj tua kab mob antioxidant rau cov tin sawb tiv thaiv qhov chaw ntawm cov tin sawb los ntawm kev ua pa nrog oxygen los tsim cov oxide zaj duab xis, yog li tsis txhob oxidation.
2. Kev kho deg: Kev kho deg ntawm cov khoom ntim, xws li kev kho cov txheej txheem, tuaj yeem txo qhov cuam tshuam ntawm cov dej ntawm nws, yog li txo qhov nqus dej thiab qhov ua tau ntawm oxidation.
3. Kev hloov kho kev sib xyaw: Los ntawm kev hloov kho tshuab, kev ua haujlwm ntawm cov khoom ntim tuaj yeem txhim kho, kom nws muaj dej zoo dua thiab oxidation tsis kam. Piv txwv li, cov khoom nylon tuaj yeem hloov kho los ntawm kev sib xyaw, cov hmoov ua kua filling hloov, nano hmoov hloov thiab lwm txoj hauv kev los txo cov dej nqus.
4. Txoj kev hloov kho Matrix: Ntxiv oxidation inhibitors hauv graphite matrix tuaj yeem txhim kho oxidation tsis kam ntawm cov khoom, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig kub.
5. Argon arc vuam tshuab: Hauv cov txheej txheem vuam, kev siv argon arc vuam tshuab tuaj yeem zam qhov tshwm sim ntawm cov xim dub thiab oxidation. Cov txheej txheem tshwj xeeb suav nrog kev tswj cov vuam tsis sib xws thiab siv cov pa tiv thaiv tsim nyog.
Dab tsi yog cov kev tshawb fawb sib piv ntawm tus nqi txiaj ntsig ntawm cov hlua muab tub lim thiab muab tub lim?
1. Kev txo nqi: Feem ntau hais lus, fillers yog pheej yig dua li resins, yog li ntxiv cov fillers tuaj yeem txo tus nqi ntawm cov yas thiab muaj txiaj ntsig zoo rau kev lag luam. Qhov no txhais tau hais tias thaum siv cov hlua khi thiab cov hlua khi, yog tias lawv tuaj yeem hloov cov resin zoo, tag nrho cov nqi yuav qis dua.
2. Kev txhim kho cua sov: Txawm hais tias qhov kub tsis kam ntawm txoj hlua muab tub lim thiab muab tub lim tsis tau hais ncaj qha rau hauv cov pov thawj, cov yas muab tub lim hloov feem ntau txhim kho nws cov cua sov. Qhov no qhia tau hais tias thaum xaiv cov ntaub ntawv sau, ntxiv rau kev txiav txim siab tus nqi zoo, nws tseem yuav tsum tau xav txog nws qhov cuam tshuam rau cov khoom lag luam.
3. Kev txhim kho kev ua tau zoo: Los ntawm kev ntxiv cov fillers, nws tuaj yeem tsis tsuas yog txo cov nqi, tab sis kuj tseem txhim kho lwm yam khoom ntawm cov yas, xws li cov cua sov. Qhov no yog qhov tseem ceeb tshwj xeeb rau kev siv cov hlua khi thiab cov hlua khi, vim tias lawv yuav tsum muaj lub cev zoo thiab tshuaj lom neeg kom tau raws li kev siv ntau yam.
Kev sib piv txoj kev tshawb fawb ntawm tus nqi-cov txiaj ntsig sib piv ntawm txoj hlua muab tub lim thiab cov hlua muab tub lim yuav tsum tsom rau cov hauv qab no: txo nqi, kev txhim kho tshav kub thiab kev txhim kho tag nrho.
Nyob rau hauv lub tshav pob ntawm cov nplaim hluav taws xob cables, qhov kev ua tau zoo sib txawv ntawm txoj hlua muab tub lim thiab cov hlua muab tub lim cuam tshuam li cas?
1. Ceev thiab hnyav:
Cov hlua muab tub lim feem ntau muaj qhov qis dua, uas yuav pab txo qhov hnyav tag nrho thiab cov nqi tsim khoom ntawm lub cable. Hauv qhov sib piv, qhov tshwj xeeb ceev ntawm qhov muab tub lim tsis tau hais meej meej hauv cov ntaub ntawv kuv tau tshawb nrhiav, tab sis nws tuaj yeem suav tau tias qhov ceev yuav zoo ib yam li cov hlua muab tub lim.
2. Lub zog thiab tawg quab yuam:
Lub zog ntawm txoj hlua puv yog siab, xws li lub zog ntawm cov pa hluav taws xob tsawg halogen-dawb nplaim retardant PP hlua tuaj yeem ncav cuag 2g / d (xws li lub zog ntawm 3mm ≥60kg). Cov yam ntxwv ntawm lub zog siab no ua rau txoj hlua muab tub lim ua tau zoo nyob rau hauv cov nyhuv tsim cable, thiab tuaj yeem muab kev txhawb nqa thiab kev tiv thaiv zoo dua.
3. nplaim retardant kev ua tau zoo:
Cov nplaim hluav taws kub hnyiab ntawm cov hlua khi yog qhov zoo heev, nrog cov pa ntsuas pa ntau dua 30, uas txhais tau hais tias lawv tso cov cua sov tsawg dua thaum hlawv thiab hlawv qeeb dua. Txawm hais tias txoj hlua muab tub lim kuj muaj cov nplaim hluav taws zoo ua haujlwm, qhov tshwj xeeb oxygen Performance index tus nqi tsis tau hais meej meej hauv cov ntaub ntawv kuv tshawb.
4. Khoom siv thiab kev siv:
Cov hlua muab tub lim tuaj yeem ua los ntawm polypropylene cob thiab nplaim hluav taws xob masterbatch ua cov ntaub ntawv tseem ceeb, thiab cov yeeb yaj kiab tsim kua muag tuaj yeem ua los ntawm kev tsim cov txheej txheem extrusion. Txoj kev ua no ua rau txoj hlua muab tub lim tau yooj yim dua hauv cov txheej txheem tsim khoom, thiab tsis tas yuav ntxiv lwm cov ntaub ntawv raw, thiab qhov zoo yog ruaj khov. Muab cov strips tuaj yeem ua tiav rau hauv cov ntaub ntawv sib txawv raws li cov neeg siv khoom xav tau, xws li polyvinyl chloride.
5. Kev tiv thaiv ib puag ncig thiab rov ua dua:
Vim nws cov nplaim hluav taws tsis muaj halogen, cov hlua khi ua tau raws li ib puag ncig cov cai ntawm ROHS, thiab muaj kev laus zoo thiab rov ua dua tshiab. Lub strips muab tub lim kuj muaj cov yam ntxwv tiv thaiv ib puag ncig, tab sis cov qauv ib puag ncig tshwj xeeb thiab kev siv lub peev xwm rov ua dua tsis tau piav qhia hauv cov ntaub ntawv kuv tau tshawb nrhiav.
Filler hlua thiab muab tub lim strip muaj lawv tus kheej zoo nyob rau hauv lub tshav pob ntawm nplaim hluav taws xob cables. Cov hlua muab tub lim tau paub txog nws lub zog siab, tus nqi qis thiab cov txiaj ntsig zoo, thaum lub tshuab muab tub lim yog qhov zoo rau nws cov pa oxygen siab thiab cov nplaim hluav taws zoo heev.
Post lub sij hawm: Sep-25-2024