Yuav ua li cas hom vuam tshuab muaj? Nta thiab Specifications

2024 Tus sau: Aaron Duncan | [email protected]. Kawg hloov kho: 2023-12-16 03:45

Cov tshuab vuam yog dab tsi? Hom, qhov sib txawv ntawm lawv, peb yuav xav txog hauv qab no. Cov chav no yog tsim los rau ntau lub hom phiaj.

Tsis muaj kev tsim kho niaj hnub lossis kev cob qhia loj tuaj yeem ua yam tsis siv lub tshuab vuam. Nws yog chav tsev no uas muaj peev xwm txuas tau cov qauv hlau ruaj khov. Kab lus no yuav hais txog ntau hom vuam tshuab.

Vuam yuav luag hloov tsis tau. Fastening nrog thauj tog rau nkoj, bolts thiab clamps daws qhov teeb meem ib ntus lossis tsis tuaj yeem siv rau txhua qhov laj thawj.

Ntau tus neeg xav paub hom vuam tshuab yog dab tsi. Tseeb tiag, rau lub sijhawm ntev ntawm kev muaj sia nyob, cov khoom siv vuam tau dhau los ua cov kev hloov pauv tseem ceeb, thiab vim li ntawd, cov kev hloov kho tshiab tau tshwm sim. Muaj cov nram qab no hom vuam tshuab:

transformers;
rectifiers;
inverter li;
generators;
khoom siv semi-automatic.

Tam sim no, inverter-hom vuam tshuab, nrog rau hom semi-automatic, tshwj xeeb tshaj yog nrov.

Yog li cas yog hom vuam tshuab? Kev teem caij ntawm txhua tus yuav raug txiav txim siabnyias.

Transformer device

Lub tshuab vuam no, uas nws hom thiab hom muaj ntau, yog sawv cev los ntawm kev hloov kho ntxov tshaj plaws. Peb yuav tham txog transformers nrog ib tug heev unified circuits. Lawv hloov cov alternating tam sim no nrog ib tug high voltage mus rau tus nqi qis. Ua tsaug rau qhov no, cov txheej txheem vuam tau ua tiav.

Txoj cai ntawm lub zog tam sim no yog muab los ntawm kev hloov txoj haujlwm ntawm lub kauj winding txheeb ze rau ib leeg thiab lub ntsiab tseem ceeb.

Raws li txoj kev teeb tsa, txhua chav hloov pauv tuaj yeem muab faib ua hom hauv qab no:

thyristor nrog theem kev tswj;
qauv hom magnetic dissipation;
nrog hom magnetic sieving.

Txhua hom vuam tshuab ntawm hom no ua haujlwm ntawm kev hloov tam sim no. Undoubtedly, kev siv alternating tam sim no ua rau lub inconstancy ntawm hluav taws xob arc. Tias yog vim li cas nws thiaj li xav tau kev saib xyuas tas li.

Cons ntawm lub cuab yeej

Arc instability, qib siab ntawm cov roj impurities thiab slags ua rau hlau tawg thiab lwj qhov zoo ntawm cov vuam.

Ntxiv rau, cov khoom siv hluav taws xob hloov pauv hnyav heev, haus ntau tam sim no thiab nkag siab rau qhov poob qis.

Tab sis ib tus kws ua haujlwm paub txog yuav tuaj yeem ua cov vuam zoo txawm tias nrog lub tshuab no. Chav tsev tau siv ntau qhov chaw los txog niaj hnub no.

Nrov transformer qauv

Transformers nrog tus nqi tsim nyog yog MMA li. Lawv yog cov yooj yim hauv kev tsimthiab qib nruab nrab ntawm kev ua haujlwm, txij li cov txheej txheem sib koom hlau yog ua los ntawm kev hloov tam sim no.

Ntawm cov thawj coj yog cov tuam txhab Italian BLUE WELD (lub tsev uas tau txais kev nyiam tshwj xeeb yog BLUE WELD BETA 422 817162 qauv) thiab Helvi. Cov tom kawg tsim cov khoom siv nrog tus nqi siab tam sim no. Hauv ntu ntawm cov chaw tsim khoom no, koj tuaj yeem pom lub zog ntsuas ntawm 550 watts. Piv txwv li, lub cuab yeej Helvi Universal 550 1534830.

Yuav luag txhua lub tuam txhab tsim khoom nruab nrog lub log rau kev thauj mus los.

Rectifiers

Vuam tshuab (peb tab tom xav txog hom, qhov sib txawv) kuj sawv cev los ntawm rectifiers.

Nov yog tiam tom ntej ntawm chav nyob tom qab cov transformer sawv daws yuav. Cov neeg tsim khoom muaj peev xwm tshem tawm txhua qhov tsis zoo ntawm cov cuab yeej ua haujlwm ntawm kev hloov tam sim no. Cov hom vuam tshuab no, ntxiv rau kev txo qis qhov hluav taws xob los ntawm lub network, tuaj yeem hloov pauv tam sim no mus rau tam sim no ncaj qha. Qhov no yog ua kom ntseeg tau los ntawm semiconductor diodes suav nrog hauv Circuit Court ntawm lub cuab yeej, uas hloov cov sinusoidal tam sim no mus rau hauv ib qho linear. Hom linear yog qhov txawv los ntawm qhov tsis tu ncua thiab maj mam sloping zog.

yam ntxwv zoo ntawm lub cuab yeej

Qib siab ntawm arc stability tso cai rau cov hlau los ua welded hermetically. Cov qib ntawm splashing ntawm cov khoom kuj raug txo. Lub vuam sib txuas yog muaj zog thiab sib xws. Qhov zoo ntawm cov cuab yeej no suav nrog qhov tseeb tias txhua hom electrodes haum rau nws. Koj tuaj yeem vuam tooj liab, npib tsib xee, titanium thiab txawm tias lawv cov alloys.

Nrovmodel

Ntawm cov rectifiers, Italian chav tsev BlueWeld SPACE 280 AC / DC 814300 yuav tsum tau sau tseg. Nws yog ntau yam, raws li nws ua haujlwm ob qho tib si nrog ncaj qha thiab alternating tam sim no nyob rau hauv ntau yam ntawm 10 mus rau 220 A. Cov cuab yeej yog qhov txawv. los ntawm kev pabcuam ntev. Nws muaj peev xwm ua noj stainless hlau thiab cam khwb cia hlau. Zoo meej rau kev siv ntiag tug.
Rau cov kws tshaj lij, BLUE WELD KING TIG 280/1 AC / DC-HF / Lift 832201 TIG vuam rectifier yog tsim. thiab lwm yam. Nws yooj yim heev thiab sib koom ua ke ntawm kev ua haujlwm. Chav tsev no ua haujlwm tsis yog nrog TIG txoj kev, tab sis kuj nrog MMA txoj kev. Cov cuab yeej tswj hwm los ntawm kev siv cov duab digital nyob ntawm lub vaj huam sib luag pem hauv ntej.

Inverter devices

tshooj no yuav tham txog lub tshuab inverter vuam, hom thiab qhov zoo ntawm chav tsev no.

Cov khoom siv zoo li no los ntawm kev pom zoo yog suav tias yog qhov ua tau zoo tshaj plaws. Cov hom vuam tshuab no (cov duab ntawm qee cov qauv tau nthuav tawm hauv tsab xov xwm no) yog lub teeb hauv qhov hnyav ua ke nrog kev ua haujlwm siab. Cov kev txwv no ua rau chav tsev yog ib qho nrov tshaj plaws ntawm kev ua lag luam.

Kev teeb tsa lub cuab yeej siv lub tshuab tso cai rau koj ua haujlwm vuam txawm rau cov neeg uas tsis muaj kev paub txog qhov teeb meem no. Cov kws tshaj lij tau muab sijhawm los ua kom lawv cov khoom tsim tau ntau ntxiv.

Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub inverterDevices

Txhua yam khoom siv inverter muaj lub voj voog yooj yim. Hloov tam sim no dhau los ntawm lub ntsiab rectifier thiab hloov mus rau tam sim no ncaj qha. Tom qab ntawd, nws nkag mus rau hauv chav tsev ntawm lub cuab yeej, uas ua hauj lwm raws li ib tug zaus converter, thiab nyob rau ntawd nws rov tig mus rau hauv alternating tam sim no, tab sis nrog ib tug ntau zaus qhia.

Tom qab ntawd ib chav me me uas muaj qhov zaus txuas mus ua haujlwm, qhov twg qhov voltage txo. Qhov kawg txuas hauv Circuit Court yog lub hwj chim rectifier. Qhov tshwm sim yog lub zog siab DC tso zis.

Kev ua haujlwm ntawm qhov hloov pauv zaus yog muab los ntawm microprocessor-based automated control unit. Nws kho ntau yam ntawm volt-ampere nyeem los ntawm qis mus rau siab nyeem ntawv.

Qhov txiaj ntsig tseem ceeb ntawm cov cuab yeej inverter yog tias nws muab qhov nkhaus zoo kawg nkaus ntawm cov zis. Yog li ntawd, hluav taws xob arc muaj qib siab ntawm kev ruaj ntseg.

Inverters tuaj yeem kho nrog qhov siab tshaj plaws. Yog li ntawd, lawv tso cai rau koj ua cov vuam zoo thiab ua ntau yam haujlwm. Cov units no tsis teb rau lub zog surges. Vuam kev ua tau zoo heev. Txawm tias ib daim ntawv nyias nyias ntawm cov hlau yuav raug txuas.

Kev ua haujlwm ntawm chav tsev yog tsawg kawg 90%. Rau kev sib piv, qee cov khoom siv muaj tus nqi ntawm 30%.

Inverters ua noj ob qho tib si ferrous thiab non-ferrous hlau nrog cov tuab thiab ntawm txhua txoj haujlwm hauv qhov chaw. Hauv hom vuam no, txhua hom electrodes siv tau.

Cov cuab yeej inverter muaj ntau yamkev cai tam sim no rau vuam. Qhov no ua rau nws tuaj yeem siv TIG vuam nrog cov khoom siv tsis siv hluav taws xob.

Txhua lub inverter muaj qhov kub pib ua haujlwm uas ua rau lub tshuab hluav taws xob ntawm qhov siab tshaj plaws tam sim no.

Muaj kev xaiv Anti-Sticking, nrog kev pab los ntawm qhov xwm txheej ntawm qhov luv luv, qhov vuam tam sim no raug txo kom tsawg. Qhov no tso cai rau cov electrode kom tsis txhob lo thaum sib cuag nrog lub workpiece.

Lub Arc Force muaj nuj nqi tiv thaiv kev ua raws lub sijhawm ntawm kev sib cais ntawm cov hlau poob, thaum lub zog tam sim no nce siab rau qhov xav tau.

Ib lub vuam inverter ntawm txhua yam muaj peev xwm tswj tau qhov muab tam sim no nyob rau theem tas li. Cov ntsuas no tso cai rau tsis yog qhov tseem ceeb los ntsuas qhov ntev ntawm lub arc, uas yooj yim rau kev ua haujlwm ntawm tus tswv, tshwj xeeb tshaj yog cov uas tsis muaj kev paub zoo. Tib lub sijhawm, qhov zoo ntawm cov seam tsis nyob ntawm qhov ntev ntawm lub arc.

Qhov tsis zoo ntawm chav tsev

Qhov cuam tshuam tsis zoo ntawm cov plua plav ntawm kev ua haujlwm ntawm lub cuab yeej (cov chaw tsim khoom qhia kom ntxuav nws los ntawm cov av sib xyaw ob zaug hauv ib xyoos). Yog tias nws ua haujlwm ntawm qhov chaw tsim kho, ces nws yuav tsum tau ua ntau zaus
Vuam tshuab tsis zam qhov kub ntawm qhov nruab nrab. Yog li, thaum qhov ntsuas qis dua -15 degrees Celsius, kev siv ntawm chav tsev tsis zoo.
Qhov ntev ntawm txhua lub cable rau vuam thaum txuas lub cuab yeej yuav tsum tsis pub tshaj 2.5 m. Tab sis qhov no yog ib qho teeb meem ntawm tus cwj pwm.

Nrov inverter qauv

Cov hom inverter vuam tshuab feem ntau yog sawv cev los ntawm ntau tus qauv.

Cov chav tsev ntawm Finnish tuam txhab Kemppi yog cov thawj coj hauv kev lag luam vuam. Tus qauv Kemppi MINARC 150VRD yuav tsum raug sau tseg. Nws muaj peev xwm kho tus kheej arc parameters. Txhua hom electrodes yog tsim rau kev ua hauj lwm nrog cov cuab yeej. Nws zoo kawg nkaus zam plua plav thiab ya raws.

German chaw tsim khoom Fubag tsim cov tshuab vuam zoo. Cov hom, qhov zoo ntawm cov uas tau sau tseg los ntawm ntau tus kws tshaj lij, ua haujlwm ntawm qhov hluav taws xob ntawm 85 txog 265 A. Lawv tsis hnov tsw rau qhov hluav taws xob poob, uas tau lees paub los ntawm Protec 400 muaj nuj nqi. Lub Fubag Hauv 163 ib-theem inverter ntaus ntawv, haum txawm tias rau beginners, yog nyob rau hauv zoo thov. Nws tsim cov seam du, tsis spatter cov hlau.

Nyob hauv kev lag luam ntawm vuam inverters, Italian hom Telwin tau txais lub koob npe zoo. Cov khoom siv ua haujlwm ntawm qhov hluav taws xob ntawm 220 V DC. Cov units yog compact thiab lub teeb yuag. Tus qauv Telwin Force 165 tsim nyog tau txais kev saib xyuas. Nws zoo kawg nkaus tiv thaiv lub zog surges li ntawm 15%.

Italian hom ProfHelper ua lub npe rau nws tus kheej hauv xyoo 2007. Cov chaw tsim khoom nthuav tawm cov qauv nrog kev ua haujlwm zoo heev. Piv txwv li, Prestige 181S inverter, kev khiav hauj lwm ntawm 165 V, tiv taus qhov hluav taws xob poob zoo heev. Muaj ib tug stabilizer nyob rau hauv daim duab configuration. Cov cuab yeej yog lub teeb. Nws qhov hnyav yog 8.5 kg. Vuam ua haujlwm tau ua los ntawm qhov notshuab, yog cov zoo.

Brima yog lub npe German pov thawj. Nyob rau hauv ib tug xov tooj ntawm cov qauv, lub Brima Tig 200 A inverter yuav tsum tau muab sau tseg, nws yog compact thiab yooj yim. Muab qib siab purity ntawm welded hlau. Nyob rau hauv lub xub ntiag ntawm ib tug luv luv Circuit Court, qhov voltage poob mus rau 0 A tshwm sim, yog li txuag lub electrode los ntawm kev puas tsuaj, thiab cov hlau los ntawm kev daws cov av ntawm nws.

Semi-automatic fixtures

Tag nrho cov semi-automatic hom vuam tshuab (ib daim duab ntawm ib qho ntawm cov qauv tau nthuav tawm hauv qab no) ua rau nws ua tsis tau tsuas yog txo lub sij hawm siv rau kev ua hauj lwm, tab sis kuj ua tau zoo vuam. Lub seam txawv nyob rau hauv uas nws yog tas mus li, vim tsis tas yuav hloov cov electrodes.

Muaj cov nram qab no hom semi-automatic vuam tshuab:

semi-automatic vuam ua haujlwm hauv ib puag ncig roj;
khoom xaim electrodes yog pub rau lub arc.

siv roj dab tsi?

Raws li roj tuaj yeem siv tau:

nitrogen;
oxygen;

Helium thiab argon yog siv los ntawm cov roj inert. Feem ntau lawv sib xyaw.

Pros of gas welding

Qhov zoo ntawm cov roj vuam yog tias cov cuab yeej tiv thaiv huab cua los ntawm qhov tsis zoo ntawm cov roj muaj pes tsawg leeg thiab yog cov stabilizerhluav taws xob arc. Nws muab tej yam ntxwv rau lub vuam.

Ib lub xaim yog pub los ntawm lub tshuab hluav taws xob, uas yog hloov pauv rau tus pas electrode. Los ntawm kev xaiv cov roj av thiab ntau hom electrode hlau, koj tuaj yeem hloov cov khoom ntawm lub pas dej ua ke.

Semi-automatic cov khoom siv uas txuas nrog flux-cored hlau muaj kev ua haujlwm siab.

Yog tias tsim nyog, koj tuaj yeem yuav cov khoom siv semi-automatic, tsim rau ob qho tib si roj thiab hmoov-hom xov hlau.

nto moo semi-automatic qauv

Yog li cas hom tshuab vuam semi-automatic tau dhau los ua neeg nyiam tshaj plaws ntawm kev ua lag luam? Lawv sawv cev los ntawm ntau yam dav.

Cov nram qab no hom semi-automatic vuam tshuab yog suav tias yog noteworthy:

"Cyclone" PDG-240 DAV los ntawm cov chaw tsim khoom hauv tsev. Nws yog txawm peem rau nrog ob peb hom, muaj ib tug muaj nuj nqi tiv thaiv overheating thiab ib tug siab tam sim no tus nqi rau welding 240 A. Lub tsev yog haum rau lub cev ua hauj lwm thiab welding ntawm hlau lug ua los ntawm steel. Yuav kho thiab muaj kev ua tau zoo.
"Resanta" AIS PA 165. Cov cuab yeej suav nrog hauv pawg peev nyiaj. Lub teeb yuag thiab pom qhov ntev, tiv taus qhov hloov pauv voltage. Nws muaj qhov cua txias thiab IGBT-chav kawm hluav taws xob filling.
Energomash SA-97PA20. Cov kws tshaj lij nyiam cov cuab yeej no rau nws txoj kev ntseeg siab. Nws yog qhov tsim nyog rau kev siv hauv tsev thiab kev cob qhia loj. Cov qauv ua haujlwm ntawm cov hlau vuam nrog cov khoom siv roj thiab tsis muajnws. Nws siv hluav taws xob kev lag luam thiab muaj ntau txoj haujlwm pabcuam.
Yog tias koj tab tom nrhiav lub tshuab rau MIG-MAG txoj kev, ces koj yuav tsum xyuam xim rau German qauv Fubag TSMIG 180. Haum rau kev ua hauj lwm nrog shielding roj, nrog rau cov flux-cored hlau. Overheating ntawm lub cuab yeej yog tsis yooj yim sua vim lub built-in txias system. Lub zog siab tshaj plaws tam sim no yog 145 A. Cov cuab yeej yuav yog qhov kev xaiv zoo tshaj plaws rau cov neeg siv vuam hauv lub nkas-las lossis hauv cov tsev hauv tebchaws. Welds low-carbon thiab low-alloy metals, as well as stainless hlau. Cov pob muaj xws li daim npog qhov ncauj tiv thaiv, roj hoses, ob lub tswv yim tiv tauj, ib lub xov hlau rau vuam, thiab lub teeb tshwj xeeb rau kev ua haujlwm MIG-MAG.

Welding with TIG machine

DC vuam tshuab, hom uas tau piav qhia hauv tsab xov xwm no, kuj tau sawv cev los ntawm TIG cov khoom siv. Cov khoom siv ntawm hom no weld hlau nrog kev nce qib ntawm kev sib txuas. Lawv yog qhov tseem ceeb thaum koom nrog cov seams nyuaj tshwj xeeb.

Ntxiv rau qhov kev ntseeg tau, cov khoom siv kuj tseem txawv ntawm kev ua haujlwm zoo nkauj. Thaum vuam nrog TIG tshuab, graphite lossis tungsten electrodes yog siv. Cov cuab yeej ua haujlwm raws li cov hauv qab no: cov roj inert kis tau los ntawm cov khoom siv hoses mus rau lub qhov cub, thiab hluav taws xob ntws los ntawm AC / DC hluav taws xob. Cov electrode yog ntsia rau hauv lub burner. Lub tog raj kheej tuaj yeem ntim nrog helium, nitrogen thiab lawv cov sib tov.

Feem ntau, thaum vuam nrog cov khoom siv tsis siv hluav taws xob, tsis muaj dej xa mus rau hauv pas dej ua ke. Yog li ntawd, cov khoom siv tau sivntxiv cim: tshwj xeeb additives - xov hlau los yog tapes. Additives muaj cov tshuaj sib txawv. Qhov no tso cai rau koj hloov cov cuab yeej ntawm lub vuam.

cam khwb cia hlau thiab ntau yam steels yog brewed ntawm ib tug tas mus li tam sim no. Hloov tam sim no yog siv thaum vuam qhov chaw ua los ntawm cov hlau tsis muaj hlau.

TIG welding is complex. Nws yuav tsum muaj kev paub txaus thiab kev paub los ntawm tus tswv. Nws tsis pom zoo rau cov pib siv TIG cov cav tov, txawm hais tias lub cuab yeej tau teeb tsa thiab muaj kev sib koom ua ke.

Nws tau qhia kom pib nrog lub inverter zoo tib yam. Qhov no yuav ua rau koj kawm paub tuav lub arc thiab vuam hlau.

TIG Vuam Tshuab yog siv ntau yam kev siv ntawm cov hlau cam, hlau thiab cov hlau tsis muaj hlau. Cov qib qis ntawm cov khoom tsim tau ntawm cov koog no tau them los ntawm cov seams zoo thiab cov hlau me me.

Spot vuam cov cuab yeej ua haujlwm raws li cov hauv qab no: tam sim no cooks hlau nyob rau hauv siab. Cov hluav taws xob arc pab tsim ib lub zos yaj ntawm cov hlau ntawm ob lub workpieces. Thaum kawg ntawm qhov luv luv rau lub arc, lub siab ntawm pincers nce. Yog li ntawd, cov hlau crystallizes thiab txuas cov khoom rau ib leeg. Feem ntau, qhov chaw vuam yog siv los ua haujlwm nrog cov ntaub ntawv.

txhawm rau kho cov nplooj ntawv ntawm thaj chaw loj hauv qhov chaw, siv rab phom ib sab. Thaum nws ua haujlwm, ob qhov chaw welds tau txais, uas nyob ntawm ib sab.

Rau cov neeg pom muaj ntau yam ntawm studs, loops,welded hooks, rivets, thiab lwm yam.

Pros ntawm qhov chaw vuam

Ntawm nws kev tsim txiaj yog:

kev ua haujlwm siab;
kev sib raug zoo;
external aesthetics ntawm seam.

qhov zoo thiab qhov tsis zoo ntawm argon arc vuam

Qhov zoo ntawm hom vuam no suav nrog:

zoo weld;
txhim khu kev qha kev txuas;
kev pabcuam ntev;
vuam titanium thiab stainless hlau.

Qhov tsis zoo suav nrog:

xav tau kev cob qhia tshwj xeeb rau kev ua haujlwm;
tsis muaj peev xwm ntawm qee cov qauv ua haujlwm hauv DC, AC / DC hom.

Nrov qauv ntawm TIG vuam tshuab

Cia peb saib qee tus qauv kub tshaj:

"Resanta" AIS 180 AD. Yooj yim dua li transformers lossis rectifiers nrog cov yam ntxwv xws li Arc Force, Anti Stick thiab Kub Pib. Lub zog tam sim no rau vuam yog 180 A, tab sis lub voj voog ua haujlwm ntawm qhov siab tshaj plaws tam sim no yog 70%. Qhov no qhia tau hais tias muaj kev ua haujlwm siab, txij li lub tsev tuaj yeem ua haujlwm tsis tu ncua rau 7 feeb, thiab tsis ua haujlwm li 3 feeb. Qhov no yog muab los ntawm lub qhov dej txias system. Chav tsev tseem tuaj yeem ua haujlwm ntawm qhov hluav taws xob tsawg 198 V.
Cov neeg uas tab tom nrhiav cov cuab yeej siv hluav taws xob siab tau pom zoo kom ua tib zoo mloog rau Svarog TIG 300 S ntaus ntawv.hauv 15%. Kev hloov kho ntawm lub zog hluav taws xob tam sim no tau ua kom zoo, uas ua rau nws muaj peev xwm teeb tsa qhov tsis muaj tseeb rau kev ua haujlwm vuam. Chav tsev muaj lub tshuab ua pa thiab cua txias, uas ua kom lub neej ntev ntawm lub cuab yeej.

vuam tshuab siv rau tsheb

Ntau tus neeg xav paub hom vuam tshuab rau tsheb.

Lub cev yog lub ntsiab ntawm txhua lub tsheb. Nws yuav tsum tau ua tib zoo saib xyuas thiab kuaj xyuas kom raug ua ntej kho.

Vuam feem ntau siv hauv khw kho tsheb. Ntau tus neeg nyiam tsheb siv nws hauv lawv qhov chaw nres tsheb txawm tias lawv tus kheej.

Muaj cov nram qab no hom pib vuam tshuab:

Spot vuam yuav tsum tau yog tias ob lub workpieces yuav tsum tau koom nrog hauv zos. Cov cuab yeej zoo li no hu ua spotters. Kev lag luam tsheb, nrog rau cov khw kho tsheb loj, tsis tuaj yeem ua yam tsis muaj lawv. Rau kev cob qhia raws li kev kho lub cev, qhov kev xaiv zoo tshaj plaws yuav yog los yuav ib chav ua haujlwm nrog lub zog siab thiab ua haujlwm zoo.
Tseem siv dav siv carbon dioxide vuam. Lub thickness ntawm cov hlau ntawm lub tsheb lub cev yog 0.8-1 hli. Rau kev vuam zoo yam tsis muaj kev kub hnyiab, koj xav tau chav tsev carbon dioxide. Mastering cov txheej txheem ntawm kev ua hauj lwm nrog ib tug ntaus ntawv ua hauj lwm ntawm alternating tam sim no yog ntau nyuaj tshaj li siv carbon dioxide. Vuam ua hauj lwm ntawm nws yog nqa tawm los ntawm txoj kev ntawm ib tug hlau pub rau hauv lub vuam cheeb tsam txiav los yog nrog ib tug tungsten electrode. Nws, tsis zoo li cov hlau, tsis raug raumelting nyob rau hauv ib puag ncig tiv thaiv roj. Cov pa roj carbon dioxide chav tsev tau txais kev nrov nrov hauv khw kho tsheb. Lub semi-automatic welds steel nplooj ntawv, thickness ntawm 0.8 mus rau 6 hli. Nyob rau tib lub sijhawm, vuam seam yog qhov txawv ntawm qhov zoo nkauj thiab zoo.