MIG vs TIG welding
MIG thiab TIG welding yog ob hom arc vuam, siv hlau electrodes thiab cov roj inert raws li kev tiv thaiv los ntawm oxidation ntawm qhov kub thiab txias. Ob hom vuam yog qhov yooj yim kawm, thiab cov txheej txheem vuam tuaj yeem ua tiav ntawm txhua yam khoom siv.
MIG welding yog dab tsi?
MIG stands for m etal i nert g as welding and also called metal active gas welding (MAG) or Gas metal arc welding (GAMW). Nws yog arc vuam txoj kev siv cov khoom siv hluav taws xob siv hluav taws xob siv hluav taws xob thiab cov roj thaiv hluav taws xob siv los npog thaj chaw vuam npog los ntawm cov pa oxygen thiab lwm yam khoom paug. Nws yog thawj zaug pom rau vuam aluminium, tab sis tom qab ntawd tsim los rau vuam lwm yam hlau. Tsis tas li ntawd, MIG welding muab qhov nrawm nrawm dua li lwm cov txheej txheem vuam.
MIG vuam siv lub tshuab hluav taws xob kom sov cov hlau thiab koom nrog cov khoom. Nyob rau hauv MIG welding lub electrode ua raws li cov muab tub lim uas siv, thiab tso rau ntawm qhov chaw vuam. Kev ua haujlwm tuaj yeem yog tsis siv neeg lossis semi-automatic. Cov roj tseem ceeb siv rau kev tiv thaiv yog Argon (Ar) roj, qee zaum ua ke nrog carbon dioxide nyob ntawm daim ntawv thov.
Qhov zoo ntawm MIG vuam yog cov neeg siv khoom zoo thiab ceev ntawm cov txheej txheem vuam. Tsis tas li ntawd, nws yog pheej yig dua li TIG vuam txheej txheem. MIG electrodes tsim cov arc tsis ruaj khov; li no qhov kev ntseeg ntawm weld seem ua ib qho teeb meem. Ntau cov pa taws, sparks, thiab pa luam yeeb yog tsim thaum lub vuam; yog li ua kom cov txheej txheem tsis huv.
TIG welding yog dab tsi?
TIG stands rau Tungsten Inert Gas vuam, qhov twg cov electrode siv nyob rau hauv vuam yog tshwj xeeb tungsten (W) electrode, thiab tsuas yog cov roj Argon yog siv. Txawm hais tias tag nrho cov txheej txheem ntawm cov txheej txheem vuam yog tib yam li MIG vuam, TIG muaj qhov sib txawv hauv qhov txhaws. Txij li thaum cov electrode tsis yog siv tau, cov muab tub lim yuav tsum tau muab rau sab nraud, lossis lwm yam, thaum vuam cov hlau nyias nyias, tsis siv cov muab tub lim.
Hauv kev ua haujlwm, TIG vuam yog txheej txheem semi-automatic qhov twg cov arc tswj los ntawm ko taw pedal. TIG welding feem ntau yog ua haujlwm hauv cov hlau tsis sib koom, tab sis tuaj yeem siv rau cov hlau alloys ib yam nkaus.
Cov tungsten electrode yog siv los txo cov pa paug thaum lub sijhawm vuam. Tam sim no los ntawm tungsten electrode tsim cov pa taws tsawg dua thiab cov pa taws, yog li cov vuam huv huv dua li ntawm MIG vuam. Txij li kev sib kis tsawg dua, qhov tseeb ntawm cov welds kuj siab dua. Txawm li cas los xij, qhov nyuaj ntawm cov txheej txheem vuam thiab tus nqi yog qhov teeb meem loj hauv TIG vuam tiv thaiv MIG vuam, qhov chaw vuam yuav tsum tau ua kom zoo. Tsis tas li ntawd, kev teeb tsa yuav tsum tau siv sijhawm thiab siv zog ntau dua.
Qhov txawv ntawm MIG thiab TIG Vuam yog dab tsi?
• Hauv MIG welding, cov electrode siv yog tib yam hlau raug vuam thaum, hauv TIG, nws yog ib qho tungsten electrode.
• MIG vuam electrodes yog consumable thiab ua raws li cov muab tub lim, thaum TIG electrodes yog tsis-consumable thiab cov muab tub lim yuav tsum tau muab externally.
• Cov roj thaiv kev siv hauv MIG yog Argon qee zaum sib xyaw nrog cov pa roj carbon dioxide, qhov twg TIG tsuas yog siv cov roj Argon xwb.
• MIG welding yog siv rau cov hlau tsis muaj hlau tab sis tuaj yeem siv rau cov hlau vuam, qhov TIG vuam siv tau rau txhua yam hlau.
• TIG welding yuav tsum tau xyaum ntau dua li MIG vuam, vim yog qhov nyuaj thiab nruj dua rau kev tswj xyuas, thaum MIG vuam yog ntau tus neeg siv tus phooj ywg.
• TIG welding yog huv dua li MIG vuam thiab cuam tshuam tsawg dua.
