Dab tsi yog qhov sib txawv ntawm FCAW thiab GMAW?

FCAW (flux {{- Core Arc Vuam) yog ob qho kev tiv thaiv cov khoom siv vuam, tab sis lawv siv cov khoom siv weld, thiab lawv cov khoom siv rau cov ntawv thov tshwj xeeb. Nkag siab cov ntsiab lus sib txawv los xaiv cov txheej txheem txoj cai rau txoj haujlwm muab, txawm hais tias nws yog kev tsim kho sab nraum zoov lossis precision sab hauv qabrication.

Core Txawv: Weld pas dej tiv thaiv

Lub pas dej sib txawv tshaj plaws ntawm FCAW tau nyob rau hauv nws cov ntaub thaiv weld (oxygen), uas tuaj yeem ua rau muaj kev tsis xws luag

GMAW: Kev Tiv Thaiv Sab Nraud Cov Roj

GMAW nyob rau sab nraud tiv thaiv roj kom tiv thaiv lub pas dej weld. Cov pa roj -} yog ib qho sib xyaw ntawm Argon thiab carbon dioxide (rau txhuas) {2} Koj puas tau sib cav, nyob ib puag ncig Arc thiab Molten Hlau. Qhov no tsim ib qho teeb meem uas thaiv cov pa taws ua pa tawm los ntawm kev mus txog Weld.

Kev xaiv ntawm kev tiv thaiv roj nyob ntawm lub hauv paus hlau:

Cov hlau me: 75% sib cav + 25}}}}% carbon dioxide (sib tw nkag mus thiab sib tw ntxiv).

Stainless hlau: 90% txuas + 10}}}}} pa roj carbon dioxide lossis tshwj xeeb roj sib tov kom tsis txhob chromium oxidation.

Txhuas: Ntshiab Argon (tiv thaiv porosity hauv tsis - ferrous hlau).

Yog tsis muaj cov roj sab nraud, GMAW WELDS yuav paug, ua rau cov txheej txheem nyob ntawm tus mob khov kho roj thiab ntsiag to kom tawg cov roj).

FCAW: Flux -} Raws li kev tiv thaiv (nrog lossis tsis muaj roj)

FCAW siv lub hollow flux - Cored hlau los tiv thaiv lub pas dej weld. Flux sab hauv cov hlau, thaum melted los ntawm arc, ua ob lub luag haujlwm tseem ceeb:

Nws vaporizes tsim cov pa thaiv cov roj uas tiv thaiv lub pas dej weld (hauv kev thaiv tus kheej {} {{{1} s).

Nws ua ib txheej saws dua qhov txias cua txias, uas yog cov khoom tsis huv thiab qeeb qeeb tiv thaiv kev tawg.

Qee cov fcaw variants (roj {{{{0} {}} g) tseem siv cov khoom tiv thaiv sab nraud, tab sis cov flux tseem yog thawj qhov chaw ntawm kev huv thiab ruaj khov. Qhov no txo ​​qhov kev cia siab rau sab nraud roj piv rau GMAW, ua FCAW ntau ntau yam cua los yog sab nraum zoov ib puag ncig.

Khoom Siv Khoom Siv: Cov Khoom Siv vs. Flux - Core xaim

Hom xuas uas muab tub rog siv hauv txhua tus txheej txheem ntxiv teeb tsa lawv sib nrug, cuam tshuam rau txhua yam ntawm cov nqi tso nyiaj mus rau post - Weld tu.

GMAW: cov hlau khoom

GMAW siv cov hlau tawv hlau (tsis muaj flux core) raws li ob qho tib si ntawm cov electrode thiab cov khoom siv rau khoom siv. Cov hlau yog ua los ntawm tib qho los yog xws li alloy raws li cov hlau hlau (piv txwv li, ER70s-ER308L rau cov hlau tsis muaj zog) kom paub meej txog kev sib txawv thiab lub zog.

Cov xov hlau yog:

Daws thiab xwm yeem, pub mis yooj yim los ntawm kev siv phom.

Txo nyob rau hauv tus nqi dua li flux - cored hlau (tsis muaj flux core los tsim khoom).

Ua tsis muaj slag, tshem tawm qhov xav tau rau post - weld chipping lossis sib tsoo.

FCAW: Flux -} cored hlau

FCAW siv cov hlau hollow nrog flux -}} qhov sib xyaw ntawm cov zaub mov, alloys, thiab binders. Flux core ntxiv qhov hnyav thiab cov nyom rau cov hlau, ua rau nws:

Thicker thiab stiffer tshaj li cov hlau uas muaj zog (xav tau ntau cov khoom siv tau muaj zog ntau dua).

Zoo dua li cov hlau khoom (vim yog cov tub ntxhais flux).

Ua cov swb uas yuav tsum tau muab tshem tawm tom qab vuam (ntxiv cov kauj ruam kev tu).

Flux hauv FCaw xaim kuj ua raws li tus deoxidizer, puas tuaj yeem ua lub pas dej weld los txhim kho cov hlau txoj kev huv lossis cov lag luam tshwj xeeb kom ua tiav.

Vuam cov xwm txheej thiab ib puag ncig

FCaw thiab GMAW ua heev txawv nyob rau hauv ntau qhov chaw, nrog FCAW muab kev yooj yim ntau dua hauv kev mob hnyav.

GMAW: Sab hauv tsev, tswj ib puag ncig

GMaw yog qhov zoo tshaj plaws rau sab hauv tsev lossis chaw nyob ua haujlwm yog yooj yim cuam tshuam nrog cua, sau ntawv, lossis cov phom sij sai. Tshau li kaj li 5 mph canpratle cov ntaub thaiv cov roj av, ua rau cov tshuaj ntsuab tsis huv. Qhov kev txwv no gmaw rau:

Hoobkas hauv tsev lossis rooj cob qhia nrog cov consksures.

Cov ntawv thov uas cua tuaj yeem tswj tau (piv txwv li, siv cov ntxaij vab tshaus cua).

Nws tso siab rau cov roj kuj ua rau gmaw tsawg portable - cov tshuaj zoo nkauj yuav tsum tau thauj thiab teeb tsa roj hliav tshuaj, uas yog kev ua haujlwm hauv chaw taws teeb lossis mobile.

FCAW: Sab nraum zoov thiab pawv zuj zus

FCaw thent nyob rau sab nraum zoov, lossis cov chaw deb, tshwj xeeb yog tus kheej {{ Vim tias nws tsis yog nyob ntawm cov roj sab nraud (lossis siv cov ntaub thaiv roj ntxiv), nws tiv thaiv cua cuam tshuam thiab tshem tawm qhov xav tau cov roj thooj kheej kheej. Qhov no ua rau nws zoo tagnrho rau:

Cov chaw tsim kho (vuam qauv txheem hlau nyob rau hauv qhib huab cua).

Pipeline nteg (chaw taws teeb tsis muaj chaw nkaum).

Kev kho teb (cov tshuab hnyav lossis cov khoom siv ua liaj ua teb hauv cov xwm txheej av nkos / plua plav).

Txawm tias muaj roj - shielded fcaw (fcaw - g) yog qhov ua kom muaj cua ntau dua GMAW, raws li Flux tseem ceeb muab cov ntaub thaiv npog.

Cov nqi xa khoom thiab ua tau zoo

Tus nqi xa nyiaj - tus nqi ntawm weld hlau tso ib feeb {{}} {1}- cuam tshuam npaum li cas ib txoj haujlwm yuav ua tiav. Ntawm no, FCAW muaj qhov tseeb meej meej rau loj - nplai ua haujlwm.

GMAW: Moderate Repepition Cov Nqi

GMaw's Deposition tus nqi yog txwv los ntawm cov khoom siv hlau muaj peev xwm nqa tam sim no tsis muaj overheating. Rau cov hlau me me, cov nqi raug ntau ntawm 3 txog 8 phaus ib teev, nyob ntawm xaim uas hla (0.035 rau 0.045 nti) thiab amperage. Thaum ua tau zoo rau me me rau nruab nrab cov phiaj xwm, nws yuav qeeb dhau rau vuam tuab cov ntaub ntawv (1 nti lossis ntau dua) hauv kev.

FCAW: Cov Nqi Loj

FCAW tus flux - Cored hlau tuaj yeem nqa tau ntau dua Deplection- mus txog rau 15 phaus ib xuab moos rau cov hlau me me. Qhov no yog vim tias tus insulator flution ua ib qho tshuaj insulator, tiv thaiv cov hlau los ntawm melting sai dhau los ua ntej mus txog hauv lub pas dej weld. Rau cov ntaub ntawv tuab lossis pob qij txha loj (piv txwv li, cov tsheb sib tw txheem cable lossis Choj Girders), FCAW txo lub sijhawm vuam.

Weld zoo thiab tsos

Ob txoj kev ua ntawv velds ua cov yam ntxwv sib txawv, cuam tshuam rau lawv cov kev haum rau cov tshuaj pleev ib ce lossis cov ntawv thov siab.

GMAW: Huv Si, du Welds

GMAW ua kom huv si, sib xyaw {{- ein dawb welds thaum teem tau kom raug, ua tsaug rau cov roj ruaj khov ntawm thiab cov hlau ruaj khov. Qhov uas tsis muaj kev swb txhais tau tias tsis muaj kab lus- Weld Kev tu Weld yog xav tau, thiab Weld Bead muaj qhov zoo nkauj, tsis muaj kev sib luag. Qhov no ua rau gmaw rau:

Pom welds (piv txwv li, lub cev muaj automotive lub cev, hlau ua kom zoo nkauj).

Cov ntawv thov yuav tsum tau ua kom nruj (thev naus laus zis machinery).

Txawm li cas los xij, Gmaw tsis muaj kev zam txim tsawg ntawm cov hlau tsis txaus siab ntawm cov hlau - Txawm muaj roj muaj xeb, xav tau cov khoom ua ntej, xav tau kev ua ntej ua ntej}

FCAW: Muaj zog tab sis xav tau kev tu

FCAW Welds yog muaj zog thiab nkag mus - rich tab sis yuav tsum tau ntau tshaj tawm- Weld haujlwm. Lub ntsej muag flux ua rau sleeped bipping lossis av tawm, thiab tus kheej {{{3} {{{{3} Cov pa roj ntsha ( Thaum roj {{{5 5}} shielded fcaw (fcaw - g) txo kev sib tw, nws tseem nplooj slag.

FCAW lub zog thiab kev ua siab ntev rau cov hlau tsis huv (flux neuttralizes teeb xeb) ua rau nws zoo dua rau cov txheej txheem sib txawv (piv txwv, cov choj girders, raj raj ntawm cov pob qij txha).

Cov khoom siv tau sib xws

Ob qho txheej txheem ua haujlwm nrog cov hlau, tab sis lawv cov kev haum rau cov khoom hom.

GMAW: Versatile rau tsis - ferrous hlau

GMaw excels ntawm vuam aluminium, tooj liab, thiab lwm yam tsis- cov roj txiav kom txhob ua rau oxidation (piv txwv li, ntshiab argon rau txhuas). Cov xov hlau cov khoom siv tau yooj yim muaj, thiab tsis muaj slingag tiv thaiv kev ua paug uas tuaj yeem ua rau muaj zog weld.

FCAW: Qhov zoo tshaj plaws rau cov hlau ferals

FCAW yog feem ntau siv rau cov hlau thiab stainless hlau. Thaum flux - Cov xov hlau rau txhuas nyob, lawv tsis tshua muaj kev xaiv slag, ua rau Gmaw xaiv rau tsis- ferrous hlau. FCAW's Flux core yog qhov zoo rau lis cov impurities nyob rau hauv steel, ua rau nws tau zoo tshaj GMAW tau vuam rusty lossis scaled steel.

Ntsiab lus ntawm qhov sib txawv tseem ceeb

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Xaiv ntawm FCAW thiab GMAW

Xaiv GMAW yog tias: Koj yuav tsum tau huv, kev kho kom zoo nkauj; ua haujlwm hauv tsev; Weld Aluminium lossis tsis - ferrous hlau; Los yog xav tau tsawg kawg post -} Weld tu.

Xaiv FCAW yog tias: Koj ua haujlwm sab nraum zoov lossis cua hlob; xav tau weld tuab hlau sai sai; ua siab ntev saws tu; lossis xav tau kev pom tseeb (tsis muaj roj thooj voos kheej kheej).

Nyob rau hauv ntau lub khw, ob qho txheej txheem yog siv -} gmaw rau precision ua haujlwm thiab fcaw rau hnyav {1} kev siv daim ntawv thov. Nkag siab txog lawv qhov sib txawv kom koj xaiv cov cuab yeej zoo rau txoj haujlwm, ntsuas kev ua haujlwm, zoo, thiab kev ua tau zoo.