Kev tsim khoom thiab muag khoom ntawm vuam cables
Kev tsim tawm ntawmvuam cablesyog cov txheej txheem ntau kauj ruam thiab ua kom zoo, suav nrog ntau qhov sib txuas xws li xaiv cov khoom siv, kev tsim khoom, kev kho rwb thaiv tsev, thiab cov ntaub qhwv. Cov hauv qab no yog cov kauj ruam tseem ceeb hauv kev tsim cov welding cables:
Kev xaiv cov khoom siv: Ua ntej, xaiv cov tooj liab zoo lossis txhuas ua cov khoom siv hluav taws xob kom ntseeg tau tias nws zoo heev conductivity. Lub caij no, xaiv cov ntaub ntawv rwb thaiv tsev tsim nyog thiab sheath raws li kev siv ib puag ncig thiab kev xav tau ntawm cable.
Kev tsim khoom siv hluav taws xob: Cov khoom siv hluav taws xob xaiv tau ua tiav los ntawm cov txheej txheem xws li kev kos duab thiab kev sib tw los tsim cov conductors uas ua tau raws li qhov yuav tsum tau ua. Thaum lub sij hawm tus txheej txheem no, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tswj tsis xws li qhov chaw hla ntu thiab resistivity ntawm tus neeg xyuas pib los xyuas kom meej cov conductivity ntawm cable.
Kev kho rwb thaiv tsev: qhwv ib txheej ntawm cov khoom rwb thaiv tsev nyob ib ncig ntawm tus neeg xyuas pib txhawm rau tiv thaiv tam sim no to thiab cuam tshuam los ntawm lwm yam ntawm tus neeg xyuas pib. Lub thickness thiab zoo ntawm cov rwb thaiv tsev txheej yog qhov tseem ceeb rau kev nyab xeeb thiab kav ntev ntawm lub cable.
Sheath wrapping: qhwv lwm txheej ntawm sheath sab nraum lub rwb thaiv tsev txheej los tiv thaiv lub cable los ntawm lwm yam xws li kev puas tsuaj thiab tshuaj lom neeg corrosion. Kev xaiv cov ntaub ntawv sheath yuav tsum coj mus rau hauv tus account qhov kev siv ib puag ncig thiab kev pab cuam lub neej ntawm cable.
Kev tshuaj xyuas cov khoom tiav: nruj me ntsis tshuaj xyuas cov welded cables uas tsim, nrog rau kev tshuaj xyuas qhov muag, kev ntsuas hluav taws xob, kev ntsuas kev ua haujlwm, thiab lwm yam.
Ntim thiab khaws cia: Cov khoom siv vuam txuas uas tsim nyog yuav tsum tau ntim, sau nrog cov khoom tshwj xeeb, hnub tsim khoom, thiab lwm yam ntaub ntawv, thiab muab khaws cia rau hauv qhov chaw qhuav thiab qhov cua kom tsis txhob ya raws, cua sov, lossis kev puas tsuaj.
Dab tsi yog cov ntaub ntawv rwb thaiv tsev rau vuam cables?
Cov ntaub ntawv rwb thaiv tsev rau vuam cables feem ntau suav nrog cov hauv qab no:
Polyvinyl chloride (PVC): PVC yog cov khoom siv rwb thaiv tsev uas muaj cov rwb thaiv tsev zoo heev, tiv thaiv tshav kub, thiab tshuaj lom neeg. Nws muaj tus nqi qis thiab yooj yim rau kev ua, yog li nws yog dav siv hauv cov ntaub ntawv rwb thaiv tsev rau cov khoom siv hauv tsev, lub tsev hluav taws xob, thiab cov khoom siv hluav taws xob.
Polyethylene (PE): PE rwb thaiv tsev cov ntaub ntawv muaj lub zog zoo txhua yam thiab kev cuam tshuam tsis zoo, nrog rau kev laus zoo thiab kub tsis kam.
Crosslinked polyethylene (XLPE): XLPE yog cov khoom siv hluav taws xob ua haujlwm siab uas tsis muaj dielectric poob, tsis tshua muaj hluav taws xob tsis tu ncua, thiab hluav taws xob tawg zoo heev. Nws kuj muaj cov cua kub zoo, tiv thaiv txias, thiab tshuaj lom neeg ruaj khov, ua rau nws tsim nyog rau cov khoom siv hluav taws xob siab xws li cov hluav taws xob hluav taws xob, cov motors, thiab transformers.
Roj Hmab: Cov khoom siv roj hmab rwb thaiv tsev muaj qhov zoo elasticity thiab hnav tsis kam, nrog rau kev ua haujlwm kub zoo, tiv taus txias, thiab roj tsis kam. Nws yog qhov tsim nyog rau cov xov hlau thiab cables uas xav tau cov rwb thaiv tsev yooj yim, xws li cov khoom siv txawb, cov cuab yeej hluav taws xob, thiab cov tsheb hluav taws xob.
Ntxiv nrog rau cov ntaub ntawv rwb thaiv tsev uas tau hais los saum no, kuj tseem muaj lwm yam khoom siv rwb thaiv tsev, xws li cov khoom siv hluav taws xob ntxhia, polypropylene, thiab lwm yam, uas kuj tseem siv tau rau hauv kev tsim cov vuam cables.
Dab tsi yog hom xov hlau rau vuam cables?
Ib leeg stranded hlau: Qhov no yog hom hlau uas muaj ntau tshaj plaws nyob rau hauv cov khoom siv hluav taws xob, uas muaj tib lub tooj liab lossis txhuas hlau. Nws muaj cov yam ntxwv ntawm kev ua tau zoo, hloov tau yooj yim, thiab khoov yooj yim, thiab yog qhov tsim nyog rau kev sib txuas ntawm cov kab hluav taws xob uas tsis tshua muaj tam sim no thiab tsis tshua muaj zaus, xws li cov kab teeb liab, cov kab tswj kab, thiab lwm yam. cov hlau txoj kab uas hla yog tuab txaus los xyuas kom meej tias tam sim no tsis overload, thiab tib lub sij hawm, xyuam xim rau lub peev xwm nqa ntawm cov hlau.
Multi-stranded wire: Hom xov hlau no yog woven los ntawm ntau lub xov tooj nyias nyias los yog txhuas hlau, nrog rau cov khoom siv hluav taws xob siab thiab yooj yim, tsim nyog rau kev sib txuas nrog cov hluav taws xob hluav taws xob, siab tam sim no, thiab muaj zog. Thaum siv cov xov hlau sib txuas, yuav tsum tau them nyiaj rau lawv cov impedance kom ntseeg tau tias cov teeb liab kis tau los ntawm cov hlau tsis cuam tshuam.
Pin hlau: Nws yog ib hom hlau nyob rau hauv ib lub connector thiab kuj yog siv nyob rau hauv soldering circuits. Nws yog tsim los ntawm ob qho tib si tooj liab los yog txhuas hlau, nrog rau ib kawg siv rau inserting connectors thiab lwm kawg rau vuam. Pin xov hlau muaj cov yam ntxwv ntawm kev sib txuas yooj yim thiab tsis yooj yim poob, ua rau lawv haum rau cov circuits uas yuav tsum tau nquag disassembly.
Tsis tas li ntawd, raws li cov khoom siv ntawm cov hlau, cov hlau siv rau vuam cables tuaj yeem muab faib ua tooj liab, txhuas hlau, thiab lwm yam; Raws li seb puas muaj cov txheej txheem rwb thaiv tsev, nws tuaj yeem muab faib ua cov hlau liab qab thiab cov hlau npog. Cov hlau liab qab suav nrog cov xov hlau sib tw thiab cov hlua ib leeg, ntawm cov xov hlau sib txuas ntxiv tau muab faib ua concentric twisted xaim, sib txuas sib tw hlau, hloov tau yooj yim twisted hlau, thiab braided hlau. Clad hlau yog ib txheej ntawm rwb thaiv tsev npog rau ntawm cov khoom siv hluav taws xob, uas tuaj yeem muab faib ua cov yas, roj hmab, fiber ntau, thiab txheej txheej raws li cov khoom siv rwb thaiv tsev. Clad hlau kuj tau muab faib ua ib leeg xaim thiab ntau txoj hlua khi, ntawm cov uas npog ntau cov hlua khi feem ntau hu ua "cov xaim hloov pauv", nrog 4-67 lossis ntau cov xov hlau hauv cov ntaub thaiv npog, uas yog siv dav thiab tshwj xeeb tshaj yog tsim nyog. rau siab tam sim no ntws.
Dab tsi yog cov yam ntxwv thiab qhov zoo ntawm welding cables?
Vuam cables, uas yog ib qho tseem ceeb ntawm cov khoom siv vuam thiab cov cuab yeej siv, muaj cov yam ntxwv tshwj xeeb thiab qhov zoo los xyuas kom ruaj khov thiab ua haujlwm tau zoo tam sim no hauv cov chaw ua haujlwm hnyav.
Ua ntej, cov yam ntxwv ntawm vuam cables feem ntau yog tshwm sim hauv cov hauv qab no:
Cov conductivity zoo heev: Vuam cables siv high-purity tooj liab conductors kom ntseeg tau zoo heev conductivity, zoo xa cov loj tam sim no yuav tsum tau rau vuam, thiab xyuas kom meej vuam zoo.
Kev ua tau zoo thiab khoov tau zoo: Kev tsim ntawm tus neeg xyuas pib thiab rwb thaiv tsev txheej ntawm lub cable muab nws yooj yim thiab khoov kev ua tau zoo, ua rau nws yooj yim los kho ntau lub kaum ntse ntse thiab txoj haujlwm thaum lub vuam txheej txheem.
Kev kub siab ua haujlwm thiab hnav tsis kam: Vuam cables tsim kom muaj qhov kub thiab txias thaum lub sijhawm ua haujlwm, yog li cov ntaub ntawv cable yuav tsum muaj qhov kub thiab txias ua haujlwm. Nyob rau tib lub sijhawm, cov cables nquag tuaj rau hauv kev sib cuag nrog hauv av thiab hlau nto thaum lub sijhawm txav thiab siv, yog li lawv kuj yuav tsum muaj kev hnav tsis kam.
Tear resistance thiab huab cua tsis kam: Cov txheej txheej sab nraud ntawm lub cable yog ua los ntawm cov ntaub ntawv tshwj xeeb, uas muaj lub zog tsim kua muag thiab tuaj yeem tiv taus khawb los ntawm cov khoom ntse. Tsis tas li ntawd, lub cable kuj muaj huab cua tsis zoo thiab tuaj yeem ua haujlwm ib txwm nyob rau hauv ib puag ncig hnyav xws li tshav ntuj thiab dej rau hauv dej.
Qhov thib ob, qhov zoo ntawm vuam cables feem ntau tshwm sim hauv cov hauv qab no:
Kev nyab xeeb thiab txhim khu kev qha: Kev tsim thiab tsim cov vuam cables nruj me ntsis ua raws li cov qauv thiab cov lus qhia tshwj xeeb, kom ntseeg tau tias cov cables muaj kev nyab xeeb thiab kev ntseeg siab thaum siv.
Muaj zog siv tau: Vuam cables tsim nyog rau ntau yam txheej txheem vuam thiab cov khoom siv, xws li phau ntawv arc vuam, argon arc vuam, submerged arc vuam, thiab lwm yam, thiab tuaj yeem ua tau raws li qhov xav tau sib txawv.
Lub neej ua haujlwm ntev: Vim muaj kev hnav zoo heev thiab kub tsis kam ntawm cov ntaub ntawv cable, lub neej kev pab cuam ntawm vuam cables kuj ntev, uas txo cov nqi tu rau cov neeg siv.
Kev ua haujlwm yooj yim: Kev ua haujlwm yooj yim thiab khoov kev ua haujlwm ntawm vuam cables ua kom yooj yim hloov thiab txav tau yooj yim thaum lub vuam txheej txheem, txhim kho kev ua haujlwm.
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