Hluav taws xob vuam, lub pobzeb ntawm kev tsim khoom siv niaj hnub thiab kev tsim kho, cia siab rau cov hluav taws kub ua kom pom zoo los ntawm cov hluav taws xob thiab cov hlau fuse. Qhov kub nrog yog qhov tseem ceeb hauv nws lub peev xwm los koom nrog cov ntaub ntawv nyuaj tshaj plaws, tab sis nws txawv nyob ntawm lub vuam hom, cov khoom nqis tsev, thiab cov hlau tau welded.
Cov tub ntxhais ntawm tshav kub: Fais arc Kub
Ntawm lub plawv ntawm hluav taws xob vuam yog hluav taws xob arc, uas yog tsim thaum muaj hluav taws xob tam sim no dhia ntawm cov electrode thiab workpiece los ntawm ionized roj. Qhov no ARC yog qhov kub heev, nrog cov ntsuas kub npaum li cas los ntawm 3,000 qib mus txog 20,000 degree. Qhov dav ntau yog vim muaj ntau yam, suav nrog hom kev vuam, qhov siv tam sim no, thiab cov ntaub ntawv cuam tshuam.
Piv txwv li, hauv cov hlau vuam (thaiv cov hlau arc vuam, smaw), lub arc kub ntog ntawm 3,000℃thiab 6,000 degree. Qhov no txaus rau melt cov hlau sib xws li hlau me me, uas muaj lub suab me me ntawm ib ncig ntawm 1,510 degree. MIG VUAM (HLAU INTER Roj Vuam) Ua kom muaj kev ua haujlwm ntau yam, nrog cov ntawv thov feem ntau ua haujlwm ntawm 3,500℃thiab 7,000 degree. Lub arc nyob rau hauv tig vuam (tungsten inert roj vuam) yog txawm tias kub siab, pub℃ib ncig 1,668 degree) thiab stainless hlau.
Qhov kub hloov pauv hla vuam hom vuam
Cov qauv hluav taws xob sib txawv sib txawv yog tsim los tsim cov kub kom haum rau lawv cov kev siv. Tig welding, paub txog precision ua haujlwm ntawm cov hlau txawv, yuav tsum muaj kev kub siab dua ntawm cov ntsiab lus zoo ntawm cov ntsiab lus. Nws tsis - consumable tungsten electrode tuaj yeem tiv thaiv cua sov, cia lub arc kom ncav cuag cov kub kom tsis muaj kev puas tsuaj.
Mig vuam, uas yog dav siv nyob rau hauv pawg ntau lawm, qhov sib npaug kub thiab ua haujlwm. Nws arc kub yog qhov siab txaus kom yaj tus lim hlau thiab lub hauv paus hlau ceev ceev tab sis tsis yog li ntawd nws ua rau muaj ntau yam ntxim nyiam lossis kev sib ntaus sib tua. Qhov no ua rau nws zoo tagnrho rau vuam nyias mus rau nruab nrab- thickness steel ntawv hauv Automotive thiab tshuab siv khoom lag luam.
Pas vuam, ib qho kev xaiv ntawm kev kho kom haum thiab cov tuab hlau sib koom tes rau Tig tab sis tseem ua rau muaj cua sov txaus rau kev nkag tau txaus. Flux txheej ntawm cov hluav taws xob yuav pab tswj cov cua sov tshav kub, kom pom tseeb tias cov kab hlau ua kom txias dua los ua cov khoom siv hluav taws xob muaj zog.
Thaum Tshav Kub Kub Hloov Thiab Hlau Melting
Thaum lub arc nws tus kheej yog kub heev, qhov kub ntawm lub pas dej weld {}} Qhov chaw qis dua tab sis tseem zoo tshaj plaws melting taw tes ntawm lub hauv paus hlau. Rau cov vuam me me steel, chav weld kub feem ntau yog li 1,500℃rau 2,500 degree. Qhov no yog kub txaus kom puv cov hlau, cia nws sib tov nrog tus muab tub lim hlau (yog tias siv) thiab tsim cov nyiaj sib txuam uas muaj zog thaum nws txias.
Cov cua sov los ntawm arc hloov mus rau qhov chaw ua haujlwm los ntawm hluav taws xob thiab kev ua haujlwm. Hauv cov hlau tuab, cov cua sov sib kis tawm ntau dua, muaj ntau dua arc kub lossis ntev dua vuam lub sijhawm xav tau los xyuas kom meej tag nrho cov kev sib koom tes thibness melts. Piv txwv li, vuam 10 hli tuab steel phaj yuav tsum muaj qhov ntau dua arc kub lossis ntau daim nyias nyias ntxiv rau qhov xav tau txhawm rau nkag mus rau cov khoom tuab tuab.
Yam cuam tshuam rau kev sib tw kub
Ntau yam cuam tshuam nrog qhov ntsuas kub tiag tiag thaum lub sijhawm hluav taws xob vuam. Kev siv tam sim no yog qhov tseem ceeb tshaj plaws: kev noj txiaj ntsig ntau dua cov kev ua rau muaj kev kub ntxhov. Tus mig welder teeb tsa rau 200 amps yuav tsim cov kub arc dua ib teev rau 100 amps, ua rau nws haum rau cov hlau tuab. Voltage tseem ua lub luag haujlwm, raws li ntau dua voltage nce lub arc ntev, uas tuaj yeem kis tau cov cua sov dhau ntawm thaj chaw loj dua.
Cov hom ntawm electrode thiab cov muab tub lim tuaj yeem cuam tshuam cov cua sov. Tungsten Electrodes siv nyob rau hauv Tig vuam muaj lub siab melting point (nyob ib ncig ntawm 3,422 degree), cia lawv tswj lawv cov duab txawm nyob hauv lub arc kub. Hauv kev sib piv, txheej flux ntawm cov hluav taws xob hluav taws xob tau tuaj yeem muab cov hluav taws xob hauv lub arc rau qee yam, cuam tshuam txog kev faib tawm thaum tshav kub.
Cov hlau ua welded kuj cuam tshuam kub. Cov ntsiab lus me me nrog cov ntsiab lus melting ntau dua, xws li nickel alloys (melting taw tes ib ncig 1,453 degree), xav tau lub arc kub dua li cov hlau me me. Welders adjust their equipment settings to match the metal's properties, ensuring the arc temperature is sufficient to melt the material without overheating and causing defects like burn-through or cracking.
Kev txiav txim kev nyab xeeb ntawm kev kub siab
Cov huab cua sov hnyav ntawm hluav taws xob vuam ua rau muaj hluav taws xob txaus ntshai kev nyab xeeb. Lub arc tuaj yeem ua rau muaj kev kub ntxhov heev, txawm tias los ntawm kev sib kis luv luv. Welders yuav tsum hnav nplaim - Cov hnab looj tes tiv khib, hnab looj tes nrog cov iav lo ntsiab muag tsaus los tiv thaiv cov cua sov thiab ultraviolet hluav taws xob. Cov tshuab hluav taws kub kub thiab cov zaub mov kub ua rau lub nkoj tuaj yeem nres cov khoom siv hluav taws xob, cov chaw ua haujlwm ntshiab yuav tsum tau npaj muaj muaj.
Tshaj tawm - weld, cov welded hlau tseem kub rau ncua sijhawm, feem ntau tuav tau kub siab dua 100℃rau teev. Qhov no txhais tau tias tom qab kev sib tw ua tiav, muaj kev pheej hmoo ntawm kev kub hnyiab, thiab ua kom txias lossis cim ntawm cov kub yog qhov tseem ceeb.
Tag
Hluav taws xob vuam tsim cov kub siab, nrog arc qhov chaw kub kub siab, nrog rau ntawm 3,000 qib rau 20,000 degree, nyob ntawm hom vuam thiab chaw. Qhov kub no yog txaus kom yaj ntau yam ntawm cov hlau, los ntawm cov hlau sib txawv kom high- lub zog alloys. Qhov kev kub tshwj xeeb yog ua rau lub vuam txoj kev vuam, cov khoom siv tuab, thiab hlau hom, txhim khu kev qha pob qij txha. Thaum lub sij hawm kub heev yog dab tsi ua rau hluav taws xob vuam ua tau zoo, nws tseem xav kom nruj kev nyab xeeb kev nyab xeeb rau cov neeg ua haujlwm thiab tiv thaiv hluav taws. Nkag siab txog qhov ntsuas kub no yog qhov tseem ceeb siv hluav taws xob vuam thiab muaj txiaj ntsig hauv ntau yam kev lag luam thiab cov ntawv thov kho.
