Dab tsi ua rau lub tshuab vuam zoo

Ib lub tshuab welding zoo yog tsiag ntawv los ntawm ob peb tus tseem ceeb uas ua kom nws ua tau zoo heev thiab tsim cov khoom zoo. Ntawm no yog cov ntsiab lus tseem ceeb uas ua rau vuam tshuab zoo:

1. Kev pab fais fab

AC vs. DC: AC machine feem ntau siv rau cov vuam vuam, thaum DC cov cav muab cov Arcs thiab yog nyiam rau Tig thiab Mig Vuam.

2. Ntxiv cov lus qhia voltage thiab amperage

Nco ntsoov tias lub tshuab tawm tswv yim voltage phim koj cov khoom siv fais fab. Cov cav tov ua haujlwm ntawm 110V lossis 220V.

3. Portility thiab loj

Kev xeem: Qhov tseem ceeb rau kev ua teb lossis cov chaw haujlwm haujlwm, thaum cov cav tov khoom loj, ruaj ruaj rau cov chaw haujlwm ib puag ncig.

Kev cog lus vs. puv-loj: Cov tshuab cog tshuab tau yooj yim dua thauj thiab khaws cia, thaum puv cov tshuab muaj zog ntau dua.

4. Kev tswj cov chaw thiab yooj yim ntawm kev siv

Kho cov chaw: Saib rau tshuab nrog cov chaw kho tau rau voltage, amperage, thiab xaim pub mis ceev.

Tus neeg siv-tus phooj ywg sib cuam tshuam: Machine nrog cov lus qhia meej meej thiab kev tswj hwm tau yooj yim siv.

5. Lub Luag Haujlwm Ncig Ua Si

Lub sijhawm dhia dej num taw qhia qhia tau ntev npaum li cas lub tshuab vuam yuav ua haujlwm ua ntej xav kom txias. Lub voj voog siab dua yog qhov zoo dua rau kev txuas ntxiv mus, kev siv.

6. Kev Nyab Xeeb Nta

Cov yam ntxwv muaj kev nyab xeeb tseem ceeb rau nrhiav cov thermal overload kev tiv thaiv thiab voltage tiv thaiv.

7. Versatility

Qee lub tshuab vuam vuam tuaj yeem ua ntau cov ntaub ntawv, thaum lwm tus tsim rau cov ntaub ntawv tshwj xeeb. Nws yog qhov tseem ceeb uas yuav tsum xaiv lub tshuab haum rau cov khoom siv koj yuav tau ua haujlwm nrog.

8. Teem nyiaj

Thaum tus nqi tuaj yeem yog qhov ntsuas tau ntawm qhov ua tau zoo, nws tseem ceeb tshaj plaws los xav txog lub tshuab cov yam ntxwv thiab seb lawv yuav tsum muaj cov kev xav tau.

9. Weld zoo

Tus Weld zoo yuav tsum pom kev pom tsis txaus siab, uas tsis muaj kev sib cav lossis hlawv, thiab yuav tsum ncaj thiab hnav ris tsho ncaj.

10. Durability thiab txij nkawm

Kev tu menyuam tsis tu ncua thiab ruaj khov yog qhov tseem ceeb rau kev siv ntev. Saib cov tshuab nrog kev tsim kho ruaj khov thiab siv tau yooj yim-rau kev saib xyuas.

Lub tshuab vuam tuaj yeem tshwm sim kom tau txais qaug zog vim muaj ntau yam cuam tshuam rau nws qhov kev ua tau zoo. Nov yog qee qhov tshwm sim:

1.Voltage hloov pauv:

Kev kom: Kev siv hluav taws xob ntau dhau lossis tsis muaj lub zog hluav taws xob tuaj yeem ua rau sab hauv ntawm cov vuam tshuab rau malfunction.

Hloov: Qhov no tuaj yeem ua rau tsis sib xws arc kev ua tau zoo thiab txo vuam ua haujlwm.

2.Contaminated Weld Nto:

Kev kom: Muaj cov roj, roj, xeb, lossis noo noo ntawm lub weld nto tuaj yeem qhia cov pa roj hauv Weld, ua rau porosity.

Hloov: Porosity tsis muaj zog muaj zog weld thiab txo nws lub zog tag nrho.

3. Tu tus txheej txheem vuam:

Kev kom: Cov vuam tsis raug, xws li vuam qis lossis ntau dua vuam ceev, tuaj yeem ua rau tsis xws luag zoo li tsis tiav fusion.

Hloov: Tsis tiav Fusion Invest Invest nyob rau hauv Welds tsis muaj zog uas muaj kev tsis txaus siab rau kev ntxhov siab.

4.Txhua cov lus tawm thaum tshav kub:

Kev kom: Cov kev tawm tshiab ntau dhau tuaj yeem ua rau lub hauv paus hlau rau overheat, ua rau tsis xws luag zoo li hlawv-dhau.

Hloov: Hlawv-los ntawm kev ua kom muaj zog sib koom tes thiab tuaj yeem tsim cov dej xau lossis cov teeb tsis zoo.

IOnor grounding:

Kev kom: Tsis zoo gloading ntawm vuam tshuab tuaj yeem ua rau tsis muaj arc kev ua tau zoo thiab txo qis kev ua tau zoo.

Hloov: Qhov no tuaj yeem ua rau weaker thiab tsis tshua muaj weld ruaj khov.

6.welding tsis xws luag:

Kev kom: Cov vuam tsis xws luag xws li porosity, tsis tiav fusion, undercutting, thiab ntau heev tuaj yeem ua rau muaj zog weld.

Hloov: Cov kev cuam tshuam no tsis meej xwm txog kev ncaj ncees thiab lub zog ntawm Weld.

Yuav ua li cas hais daws cov teeb meem no

Kev saib xyuas ib txwm: Kev tshuaj xyuas thiab tswj lub tshuab vuam kom ntseeg tau tias nws yog qhov zoo tshaj plaws.

Tsim Kom Zoo: Ua kom cov vuam tshuab vuam yog cov hauv paus kom zoo los tiv thaiv cov teeb meem hluav taws xob.

Npaj Npaj Ntev: Ntxuav lub weld are kom tshem tawm cov paug tsis huv uas tuaj yeem ua rau porosity.

Kho tsis tau: Kho cov ntawv vuam vuam xws li tam sim no, kev voltage, thiab hlau pub co hlau kom phim cov khoom siv thiab cov tuab welded.

Vuam Technique: Siv cov txheej txheem vuam zoo thiab xyuas kom lub teeb yog qhov tseeb kom ua tiav kev fusion.

Txhawm rau kom ntseeg tau tias koj lub tshuab vuam ua haujlwm muaj kev nyab xeeb thiab muaj txiaj ntsig, nws yog qhov tseem ceeb rau kev ua kev nyab xeeb kev nyab xeeb. Ntawm no yog ib phau ntawv qhia dav dav raws li cov ntaub ntawv tshiab:

Kev Tawm Tsam Kev Nyab Xeeb Rau Vuam Machine

1. Lub Zog Hluav Taws Xob thiab Khawb Av

Ruaj Ruaj Zog: Xyuas kom cov khoom siv hluav taws xob yog qhov ruaj khov thiab hauv qhov ntsuas hluav taws xob ntawm koj vuam tshuab.

Kev sib txuas hauv av: Txheeb xyuas qhov kev sib txuas hauv av yog qhov nruj thiab dawb ntawm kev xeb.

Surge tiv thaiv: Siv cov kws tiv thaiv kom tsim nyog yog tias tsim nyog.

2. Cables Thiab Kev Sib Txuas

Tshawb xyuas: Saib rau cov kab nrib pleb lossis fraying hauv cable rwb thaiv tsev.

Zawm Ntsim Txuas: Xyuas kom cov txuas txuas tau zoo-nruj thiab tsis muaj kev kub ntxhov.

Hloov cov cab uas puas: Hloov kho txhua yam kom tsis txhob muaj kev phom sij hluav taws xob.

3. Roj Tas Tawv (Rau Roj Vuam Machine)

Kuaj Hoses thiab Regulators: Saib rau cov kab nrib pleb, xau, lossis xoob fittings.

Kev xau Kom Tau Txau: Siv xab npum los kuaj xyuas cov roj khiav dim.

Ua haujlwm kom zoo: Ua kom cov regulators thiab li qub yog ua haujlwm kom raug.

4. Vuam Electrodes Thiab Cov Vaj Tshauj

Ntxuav thiab qhuav electrodes: Xyuas kom cov electrodes yog qhov zoo.

Soj ntsuam tsau thiab nozzle: Txheeb xyuas cov kev txwv lossis kev puas tsuaj uas tuaj yeem thaiv kev ua haujlwm.

Hloov Hloov Cov Khaub Ncaws: Hloov cov khaub ncaws uas xav tau.

5. Qhov cua thiab cua txias tshuab

Zoo cua: Xyuas kom lub tshuab tau kom muaj qhov cua kom tiv thaiv kev kub ntxhov.

Cua Txias Cua Txias: Khij cov kiv cua txias kom muaj plua plav tsim lossis ua haujlwm tsis zoo.

Huv Si Rathflow Txoj Kev: Tshem cov thaiv kom ntseeg tau zoo Airflow.

6. Kev nyab xeeb nta thiab tswj kev xeem

Lub tshuab hluav taws xob ceev: Xyuas kom lawv nkag tau thiab ua haujlwm tau zoo.

Kuaj cov chaw: Txheeb xyuas txoj haujlwm ntawm txhua qhov kev tswj hwm, hluav taws xob hloov, thiab hu.

Thermal overload kev tiv thaiv: Xyuas kom cov kab ke no tau nyob thiab ua haujlwm.

7. Thaj chaw ua haujlwm

Tshem cov khoom siv hluav taws xob: Xyuas kom thaj chaw thaj chaw muaj kev phom sij dawb.

Kev Nkag Ntshiab: Ua kom thaj chaw ib ncig ntawm cov ntaub ntawv Welder yog zoo-lit thiab meej.

Hluav taws kub tua hluav taws: Xyuas kom meej tias hluav taws kub tua hluav taws thiab cov khoom siv ua ntej muaj.

8. Cov Khoom Siv Tiv Thaiv Tus Kheej (PPE)

Tsim nyog haum: Ua kom ntseeg tau tias cov neeg ua haujlwm tsim nyog nrog cov hnab looj tes tsim nyog, cov hnab looj tes, hnab looj tes, thiab cov khaub ncaws hluav taws kub.

Kabmob: Ua kom pom PPE yog qhov zoo thiab haum rau kev siv vuam.

9. Vuam tshuab calibration

Kev ntsuas tsis tu ncua: Kuaj thiab ntsuas lub tshuab kom ntseeg tau tias muaj txiaj ntsig zoo \/ voltage tso zis.

Ua raws cov khoom pom zoo: Calibrate ntau npaum li pom zoo.

10. Kev puas tsuaj lub cev

Soj ntsuam kev puas tsuaj: Saib rau cov rooj zaum, kab nrib pleb, lossis lwm yam tawg paj.

Ua Rau Cov Xoob Kawg: Zawm txhua yam polts xoob, screws, lossis vaj huam sib luag.

Xaiv txoj cai loj breaker rau koj lub tshuab vuam yog qhov tseem ceeb rau kev ua haujlwm kom nyab xeeb thiab kev ua haujlwm tau zoo. Ntawm no yog cov lus qhia ntxaws ntxaws raws cov ntaub ntawv tsis ntev los no:

Cov Breaker dav dav rau Vuam Machine

110V Welders: Feem ntau xav tau ib 20-30 amp breaker.

220V Whiders: Nquag xav tau 40-50 amp breaker.

Cov kauj ruam los txiav txim qhov tseeb breaker loj

1.Calculate lub tshuab khoom noj khoom haus:

Txheeb xyuas cov neeg siv hluav taws xob phau ntawv lossis daim ntawv rau nws txoj kev ntsuas amperage. Siv cov qauv:Amperage=watts \/ voltsCov. Piv txwv li, yog tias koj cov welder lub zog ntsuas yog 7, {} watts ntawm 220 volts, koj xav tau ntawm 31.8 Amps.

2.consider Qhov ntsuas hluav taws xob voltage:

Txheeb xyuas qhov voltage koj cov welder ua haujlwm rau (110V lossis 220V). Yuav luag txhua tus welders khiav ntawm ON 110V lossis 220V. Ib tus 220V Welder feem ntau yuav tsum muaj ob-ncej Circuit Courmer.

3.Cov tus kws pab hluav taws xob lub voj voog:

Soj ntsuam tus Welder lub luag haujlwm voj voog, uas qhia tau ntev npaum li cas nws tuaj yeem khiav ua ntej txias. Piv txwv li, lub tshuab ntsuas ntawm 60% dej num lub voj voog khiav rau 6 feeb tawm ntawm txhua 10.

4.Amcount rau hlau loj:

Xyuas kom cov wiring ntais ntawv koj lub breaker loj. Siv cov hluav taws xob hauv tebchaws (NEC) kom pom cov ntsuas xaim xaim xaim xaim. Feem ntau, 30 amp breaker ua haujlwm nrog 10 odg xaim, thaum 50 amp breaker yuav xav tau 6 waws.

5.Choose qhov tsim nyog breaker loj:

Feem ntau, xaiv cov loj dua tshiab los ntawm kev suav cov khoom noj kom npog ib qho hauv qab no. Piv txwv li, yog tias koj welder yuav tsum tau 31,8 amps, xaiv rau 40 amp breaker.

Yam cuam tshuam rau breaker loj

Vuam Technique siv: Cov vuam sib txawv ntawm cov hau kev sib txawv (MIG, TIG, lo) muaj lub zog sib txawv xav tau.

Welder lub zog nkag dag zog ntsuas: Lub hwj chim tawm hluav taws xob ntsuam xyuas ntawm koj cov ntaub ntawv sau kom raug.

Ambient kub tej kev mob: Cov kub kub yuav xav tau cov kev txhaum loj dua los lis cov nra muaj ntau ntxiv.

Hom Welding Khoom Siv Khoom Siv: Cov ntaub ntawv sib txawv yuav tsum muaj cov chaw vuam sib txawv.

Kev Tiv Thaiv Ntau Tshaj Plaws: Siv tus breaker rated ntawm 125% ntawm koj cov ntaub ntawv pov thawj qhov tseem ceeb tshaj plaws rau kev nyab xeeb thiab ua haujlwm.

Txhawm rau txiav txim siab cov hlau tsim nyog rau koj lub tshuab vuam, xav txog cov hauv qab no:

1. Hom vuam txheej txheem

MIG VUAM: Cov hlau ntau thiab tsawg ntau qhov ntau thiab tsawg los ntawm {0}}}. 023 nti rau 0.045 nti hauv lub taub.

Tig Vuam: Tungsten Electrode feem ntau ntawm 1.6mm rau 3.2mm.

Flux-cored arc vuam (FCaw): Cov hlau ntau zoo ib yam li mig vuam, feem ntau nyob ib ncig {0}}}}}}. 035 nti rau 0.045 nti.

2. Cov Khoom Thickness

Thicker cov ntaub ntawv xav tau cov xov loj kom ntseeg tau tias kev nkag mus thiab tso nyiaj.

Piv txwv li, nyias daim ntawv hlau tuaj yeem welded nrog {{{{}}}}} nti lossis 0. {} Nti hlau.

3. Welder amperage

Ntau dua Amperage welders yuav tsum tau cov xov hlau tuab yuav tsum lis cov khoom nce ntxiv.

Rau 200 amp welder, {2- gauge gauge hlau feem ntau pom zoo.

4. Vuam txoj hauj lwm

Cov chaw vuam sib txawv (piv txwv li, tiaj, kab rov tav, ntsug, overhead) tej zaum yuav cuam tshuam cov xaim hlau xav tau.

5. Nyob deb ntawm lub hwj chim

Ntev dua ntawm lub zog thiab cov veel yuav xav tau cov xov hlau loj dua kom tsawg rau cov hluav taws xob tsawg.

6. Cov Khoom Hlau Hlau

Cov hlau tooj liab yog feem ntau siv rau nws cov kev ua tau zoo, thaum txhuas cov hlau yuav xav tau ib qho ntsuas cua ua kom zoo dua vim nws qhov kev ua tau zoo.

Lus pom zoo

MIG VUAM: Rau cov ntaub ntawv nyias nyias, siv {{0}}}} nti hlau; Rau cov ntaub ntawv tuab, siv {{4 4}}. {{{} nti lossis 0.} nti hlau.

Tig Vuam: Rau cov khoom siv nyias, siv 1.6mm tungsten electrode; Rau cov ntaub ntawv tuab, siv 2.4mm lossis 3.2MM electrode.

Flux-cored arc vuam: Siv ib {0. {035- nti hlau rau cov ntawv thov uas dav dav.

Cov lus qhia rau xaiv txoj cai xaim xaim

Nco ntsoov hais txog cov vuam tshuab phau ntawv txhais tes rau cov lus pom zoo.

Yog tias tsis muaj tseeb, sab laj tus tub tsim khw lossis kws kho kws tshaj lij.

Xav txog cov khoom hom, thickness, thiab vuam txheej txheem thaum xaiv hlau loj.

Thaum kho tshuab vuam, ntau yam khoom kuaj thiab cov cuab yeej yog qhov tseem ceeb rau kev kuaj mob thiab kho teeb meem. Ntawm no yog cov npe ntawm cov khoom kuaj thiab siv ntau:

1.Qhov:

Rooj mov: Ntsuas voltage, tam sim no, thiab kev tiv thaiv los kuaj cov teeb meem hluav taws xob hauv lub tshuab vuam.

Kev siv: Qhov tseem ceeb rau kev txheeb xyuas kev txuas ntxiv, qhia tau cov voj voog luv luv, thiab ua kom txaus kom txaus.

2.Wrench Teeb:

Rooj mov: Siv rau zawm lossis txo qis txiv ntoo thiab bolts rau ntau yam ntawm cov vuam tshuab.

3.Qhov kev teeb tsa:

Rooj mov: Xav tau rau kev tshem tawm thiab ruaj ruaj ntsia hlau ntawm lub tshuab lub hnab thiab npog thaum kuaj thiab kho.

4.wire txhuam:

Rooj mov: Muaj txiaj ntsig rau kev ntxuav cov hluav taws xob kev sib txuas thiab tshem cov khib nyiab lossis oxidation uas tuaj yeem cuam tshuam kev tshaj tawm.

5.Txoj Fused:

Rooj mov: Blown fuses yog ib qho teeb meem tshwm sim, yog li muaj kev xaiv ntawm fuses ntawm tes yog qhov ua tau.

6.lubricants:

Rooj mov: Tsim nyog rau ensuring kev ua haujlwm zoo ntawm kev txav chaw; Lubricants pab tiv thaiv kev sib txhuam thiab txo cov hnav.

7.Welding Hlau thiab Cov Hluav Taws Xob:

Rooj mov: Muaj spare vuam hlau thiab hluav taws xob hluav taws xob yog qhov tseem ceeb rau hloov chaw ceev, ua kom muaj kev kho kom tsawg thaum kho.

8.Coing System Vacuum:

Rooj mov: Siv los ntxuav lub tshuab txias txias, xws li kiv cua thiab cov fins txias, los tswj cov tshav kub ua kom sov.

9.Kuadacturer's phau ntawv:

Rooj mov: Ib daim ntawv qhia hais txog kev nkag siab txog kev nkag siab lub tshuab vuam, daws teeb meem daws teeb meem, thiab cov txheej txheem saib xyuas.

10.Safety Iav:

Rooj mov: Ib txwm ua ntej kev nyab xeeb; Hnav cov khoom siv tiv thaiv tus kheej tsim nyog, suav nrog hnab looj tes, kev nyab xeeb tsom iav, thiab lwm yam iav raws li kev kho cov haujlwm tshwj xeeb.

Lub tshuab vuam yog cov cuab yeej tsim qauv tsim los koom nrog cov ntaub ntawv, feem ntau yog hlau lossis thermoplays, los ntawm kev ua rau ceeescence. Qhov no feem ntau ua tiav los ntawm cov cua sov lub workpieces rau ib qho kub uas siv hluav taws xob arc lossis cov roj av. Vuam tshuab yog qhov tseem ceeb hauv kev lag luam ntau yam vim lawv muaj peev xwm tsim muaj zog, ruaj, thiab cov pob qij txha ua kom meej. Ntawm no yog cov ncauj lus kom ntxaws saib ntawm lub tshuab vuam ua li cas thiab nws cov haujlwm tseem ceeb:

Cov haujlwm tseem ceeb ntawm lub tshuab vuam

1.Joining cov ntaub ntawv:

Hlau Koom Tes: Vuam tshuab vuam feem ntau siv los koom nrog cov khoom hlau ua ke. Qhov no ua tiav los ntawm melting lub hauv paus cov hlau thiab ntxiv cov khoom siv ua haujlwm los tsim cov nyiaj sib txuas lus muaj zog.

Thermoplastics: Qee lub tshuab vuam tuaj yeem koom nrog Thermopleastics, uas yog qhov muaj txiaj ntsig zoo xws li kev lag luam thiab hluav taws xob.

2.Cov pob qij txha muaj zog:

Siab Zog: Vuam tshuab vuam tshuab tsim cov pob qij txha uas feem ntau muaj zog dua cov khoom siv hauv paus lawv tus kheej. Qhov no yog qhov tseem ceeb hauv kev siv uas cov qauv kev ncaj ncees yog qhov tseem ceeb ntawm cov qauv yog qhov tseem ceeb, xws li kev tsim kho tsheb.

Yam ruaj khov: Cov pob qij txha tsim los ntawm vuam tshuab yog tsim los ntxias kev ntxhov siab thiab kev ntxhov siab, ua kom muaj kev ntxhov siab ntev.

3.Qhov thiab tswj:

Kho kom meej tswj: Niaj hnub nimno vuam tshuab muab kho cov kev tswj hwm lub vuam, tso cai rau cov khoom zoo, kev sib txuas. Qhov no yog qhov tshwj xeeb tshaj plaws hauv kev lag luam xws li iberospace thiab electronics, qhov twg precision yog qhov tseem ceeb.

Kho cov chaw: Vuam tshuab feem ntau muaj cov chaw teeb tsa tau kho rau voltage, tam sim no, thiab cov neeg siv hlau ua tailor cov ntaub ntawv vuam rau cov ntaub ntawv tshwj xeeb thiab kev siv.

4. HLOOV:

Ntau tus txheej txheem: Ntau lub tshuab vuam tuaj yeem lis ntau txoj kev vuam, xws li mig (cov roj av roj (tungsten inert roj), thiab lo (thaiv hlau arc) vuam. Cov versatility no ua rau lawv haum rau ntau cov ntawv thov.

Cov khoom siv tau sib xws: Vuam tshuab vuam tuaj yeem siv rau ntau cov ntaub ntawv, suav nrog cov hlau, txhuas, hlau stainless, thiab txawm tias plastics.

5.hofficiciency:

Siab efficiency: Fais vuam cov tshuab hluav taws xob feem ntau muaj peev xwm ntau dua li cov kev tsim txiaj ntsig roj av, ua rau muaj kev tsim khoom lag luam nce ntxiv thiab txo cov nqi zog.

Lub sijhawm txuag: Muaj peev xwm sai thiab ua tau zoo koom nrog cov ntaub ntawv ua rau vuam tshuab qhov tseem ceeb rau cov khoom ntim ntau lawm.

6.Safety:

Kev Nyab Xeeb Nta: Niaj hnub nimno vuam tshuab tuaj nrog ntau yam kev nyab xeeb, thiab txo voltage xaiv, uas txo qhov kev pheej hmoo ntawm cov xwm txheej thiab ua kom muaj kev nyab xeeb.

Kev cog lus: Ua si kom raug rau ntawm vuam tshuab thiab workpiece yog qhov tseem ceeb kom tiv thaiv hluav taws xob.

Cov ntawv thov hla kev lag luam

Kev tsa tsev: Siv rau vuam hlau Beams, rebar, thiab lwm yam qauv txheej txheem.

Automotive: Qhov tseem ceeb rau kev tsim khoom thiab kho lub cev lub cev, tso pa tawm, thiab lwm yam ntawm cov hlau seem.

Kev tsim khoom: Siv rau hauv kev tsim cov tshuab, cov cuab yeej, thiab ntau yam khoom siv hlau.

Nkoj nkoj: Qhov tseem ceeb rau koom nrog cov phiaj hlau loj thiab cov khoom siv hauv nkoj tsim.

Ib tug tub rog: Siv rau kev ua kom precision vuam ntawm cov khoom siv lub thoob plaws xws li txhuas thiab titanium.

Khoom siv hluav taws xob: Siv rau vuam cov khoom sib txuas me me thiab cov xaim hauv cov khoom siv hluav taws xob.

Thawj vuam tshuab tau tsim los ntawm Lavxias teb tus kws ua lag luam Nikolay Benardos xyoo 1881. Ua haujlwm hauv Paris, Benardos pom tias muaj hluav taws xob arc tuaj yeem siv los koom nrog cov hlau. Nws tsim ib lub cuab yeej hu ua "Electrogefest," siv hluav taws xob hluav taws xob tam sim no los tsim ib lub arc uas melted cov hlau, cia nws koom nrog.

Xyoo 1885, Benardos patented nws cov thev naus laus zis, uas tau hu ua cov txheej txheem carc vuam vuam. Hom no muaj feem nrog siv cov pa roj carbon electrode kom tsim lub arc hluav taws xob uas melted cov hlau ntawm lub vuam taw tes.