2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Paub txhua yam txog argon vuam hlau yog tib lub sijhawm yuav tsum tau rau txhua tus neeg siv khoom, nrog rau lub peev xwm xaiv cov electrodes, hom thiab yam ntxwv ntawm tam sim no. Kev xaiv cov xaim no kuj tsis yooj yim li nws zoo li. Thiab nws daim ntawv thov tuaj yeem hem nrog tus lej ntawm qhov tsis txaus yog tias nws ua tsis tiav.
Peculiarities
Lub ntsiab tseem ceeb ntawm argon welding hlau yog nws qhov tsos. Feem ntau, cov khoom no yog cov hlua hlau sib tw rau hauv pob tw . Koj yuav tsum tau ntxig cov pob zeb zoo li no rau hauv lub tshuab pub mis. Cov xov hlau tuaj nws tus kheej tuaj yeem muaj cov qauv lossis cov qauv khoob. Kuj tseem muaj cov khoom nrog txaws. Cov khoom siv ntxiv yuav tsum yog tib yam nkaus li cov khoom ntawm cov khoom ua haujlwm.
Txhua qhov kev sim ua txhaum txoj cai no tsis ua rau muaj qhov zoo . Cov lus xa khoom yog yooj yim rau kev siv hauv kev lag luam. Hauv phau ntawv hom, xaim tau pub rau hauv thaj chaw ua haujlwm feem ntau yog rau kev ua haujlwm ntawm tes. Feem ntau, thev naus laus zis tsis yuam lwm yam tshwj xeeb xav tau.
Saib
Cov hlau xaim yog ua los ntawm cov hlau ntshiab. Cov khoom siv ntawm cov khoom siv no tsis tuaj yeem muaj qhov tsis huv; cov khoom ntxiv yuav tsum tsis txhob siv ib yam nkaus . Dua li ntawm lawv qhov yooj yim, cov xaim no feem ntau siv los ntawm cov kws txuas. Nws yog lawv uas feem ntau yog siv rau vuam hauv cov pa cua. Flux-cored xaim yog qhov tsis haum rau argon vuam, vim tias nws tau npaj tshwj xeeb los hloov cov ntaub thaiv npog sab nraud nrog cov tshuaj tso tawm thaum hmoov yaj.
Qhov nthuav tshaj plaws yog cov khoom qhib. Nws ua ke qhov zoo ntawm cov khoom thiab cov hmoov daws tsis muaj lawv qhov tsis zoo. Qhov sib txawv kuj siv rau hom khoom siv uas yuav tsum tau welded. Filler hlau rau argon-arc ua ntawm cov hlau hlau yog ib qho ntawm cov kev xaiv ntau tshaj. Kev faib loj yog raws li hauv qab no:
- Flux-cored hlau raug yuam siv rau kev tswj cov pa roj carbon uas tom qab kho cua sov (txawm hais tias qhov no feem ntau tsis yog qhov kev xaiv zoo tshaj plaws);
- txhuas yuav tsum tau ua haujlwm nrog txhuas (nws yuav muaj manganese, silicon, magnesium thiab lwm yam suav nrog);
- hlau tsis xeb hlau - siv ua haujlwm nrog hlau sib xyaw nrog chromium lossis npib tsib xee;
- tooj liab-plated (feem ntau yog siv thaum vuam ntau cov hlau phom lossis cov khoom sib xyaw ua haujlwm nruab nrab);
- hlau dawb (nyiam dua rau kev ua haujlwm nrog cov hlau me me).
Cov hlau tsis muaj zog tau nquag siv los txhawm rau hlau uas muaj chromium lossis npib tsib xee. Cov zis yuav tsum yog qhov ua tau zoo heev.
Cov tsos ntawm cov kab nrib pleb yuav luag tsis suav nrog, nrog rau qhov tshwm sim ntawm cov txheej txheem xeb. Thaum siv cov xaim xaim xaim, qhov sib kis tau tsawg. Lub arc yuav ua haujlwm nquag thiab ruaj khov, thiab kev pabcuam lub neej ntawm kev sib khi yuav nce ntxiv.
Cov tooj liab-plated hlau muaj cov yam ntxwv zoo ib yam li nws cov hlau tsis huv. Ib qho ntxiv, nws tseem pab txuag cov khoom siv tes, tsis hais lub tshuab vuam siv. Kev muab cov xaim tooj liab plated feem ntau txhais tau tias muab nws tso rau ntawm daim yas yas. Raug tuab li ntawm 0.6 txog 1 hli. Cov tooj liab-plated hlau (piv txwv li, SV-08G2S) pab txhawb kev rov pib dua lub vuam arc thiab pab tswj nws qhov kev sib txuas hauv txhua yam. ESAB lwm cov khoom lag luam tau tsim los ua haujlwm nrog:
- cuab yeej hlau;
- cov hlau hlau siv hauv kev tsim nkoj;
- stamped hlau;
- txhuas;
- cam khwb cia hlau.
Plain hlau xaim rau argon vuam siv tau nyob hauv yuav luag txhua cheeb tsam ntawm kev tsim khoom lag luam. Cov khoom siv no tau muab cais ua ntau qhov ntsuas . Lub luag haujlwm tseem ceeb heev, nrog rau ntu, yog lub zog ntawm cov khoom siv. Nws cov tshuaj lom neeg muaj pes tsawg tseem yog ib qho tseem ceeb - zoo li ib txwm, ze rau ntawm qhov ua haujlwm, ua haujlwm tau zoo dua thiab muaj txiaj ntsig dua. Tsuas yog xaim cim nrog cov ntawv luv "Sv" tuaj yeem siv tau, nws cov ntu ntu sib txawv los ntawm 0.03 txog 1.2 cm.
Cov khoom siv txhuas yog xav tau thaum tuav cov khoom txhuas alloys, qhov uas feem ntawm silicon txwv rau 3%. Kev txwv cov ntsiab lus tooj liab hauv qhov no yog los ntawm 3 txog 5%. Cov khoom siv zoo sib xws:
- lav kom muaj zog ntxiv;
- muab cov xim zoo ib yam li qhov khoob lawv tus kheej;
- tsis yog qhov qis dua hauv kev tiv thaiv xeb rau txhuas cov qauv.
Aluminium additives yog xav tau hauv kev tsim cov tsheb loj, dej thiab dej hiav txwv. Cov xaim zoo li no tau siv ntau heev thaum vuam cov qauv hauv kev sib cuag nrog dej. Tab sis nws yog ib qho tseem ceeb kom nkag siab tias txhuas dawb huv tsis tau siv hauv kev coj ua, nws ib txwm sib xyaw nrog lwm yam tshuaj - txwv tsis pub, lub zog txaus tsis tuaj yeem muab tau.
Lub sijhawm no tseem raug rau vuam cov khoom siv. Txawm li cas los xij, qhov sib faib ntawm cov tshuaj ntxiv tsis tshaj 1%.
Xaiv
Lub ntsiab lus tseem ceeb yog kev ua haujlwm tau ua tiav. Hlau tsim rau argon vuam nws tus kheej tsis haum rau kev txiav (thiab rov ua dua). Kev mloog yuav tsum tau them rau txoj kab uas hla ntawm cov khoom. Nws yog qhov zoo heev uas cov hlau tuab dua, qhov loj dua qhov ntxiv yuav tsum yog. Feem ntau, xaiv cov xaim nrog ntu ntu ntawm 3 hli.
Nws tsim nyog sau cia tias cov khoom tshwj xeeb tuaj yeem muaj nyob hauv cov hlau txuas . Cov cuab yeej cuab yeej ntawm cov khoom lag luam nyob ntawm lawv qhov ntau thiab feem. Nws kuj tseem tsim nyog them nyiaj mloog rau cov cim hlau. Tom qab ntawv "Sv" muaj tus lej uas qhia txog cov pa roj carbon ntau. Ntxiv mus, cov hlau ntxiv tau qhia yog tias cov hlau concentration yog 0, 99% thiab qis dua.
Cov lus qhia rau kev siv
Lub vuam hlau tuaj yeem siv nyob rau hauv hom lossis tsis siv neeg ib nrab. Cov khoom siv ntawm argon yuav tsum nruj me ntsis ua ke nrog cov khoom siv ntxiv. Koj kuj tseem yuav tau siv lub tshuab hlawv tshwj xeeb. Kev siv hluav taws xob tam sim no nrog ncaj qha polarization yog kwv yees . Kev ua haujlwm ntawm kev hloov pauv tam sim no cuam tshuam nrog kev siv oscillator, tab sis hauv kev coj ua, hom kev hloov pauv no tsuas yog qhia thaum ua haujlwm nrog cov hlab me me-phab ntsa.
Kev siv welding argon qee zaum kuj tau xyaum . Tus neeg teb xov tooj tuav lub teeb nrog ib txhais tes thiab xaim nrog rau lwm tus. Qhov tom kawg yog pub rau hauv thaj chaw ua haujlwm kom zoo li sai tau. Txoj hauv kev no yuav tsum tau khov, txhais tes muaj zog thiab ruaj khov qhov muag.
Thiab txawm tias nyob hauv cov xwm txheej zoo li no, nws tsis tuaj yeem ua haujlwm ntev thiab ruaj khov, yog li nws yog qhov xav tau kom siv tsawg kawg yog ib lub tshuab semiautomatic.
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