Cov lus teb yog - Koj tuaj yeem Weld Welder Aluminium nrog Mig Welder, tab sis nws yuav tsum tau kho cov kev kho, khoom siv, thiab cov tswv yim. Aluminium cov khoom tshwj xeeb, xws li thermal conductivity thiab lub siab tsis muaj txiaj ntsig, tab sis nrog txoj cai txheej txheem siv hauv kev lag luam los ntawm kev kho tsheb mus rau Aerospace kev tsim khoom.
Qhov tseem ceeb yuav tsum muaj rau Mig Welding Aluminium
Cuab Yeej Hloov
Tus qauv mig welder tuaj yeem Weld Aluminium, tab sis nws xav tau hloov chaw los lis cov khoom. Qhov tseem ceeb tshaj plaws yog rab phom spool lossis lub laub -} rub cov hlau feeder. Aluminium Vuam hlau yog mos thiab nquag mus rau kinking - tsis zoo li cov hlau xaim hlau, uas nyob hauv cov phom sij li niaj zaus cable. Ib rab phom spool mounting ncaj qha rau lub teeb, ua kom cov hlau luv thiab ncaj kom tiv thaiv jams. Thawb kev thawb - rub lub tshuab siv lub cev muaj zog nyob hauv lub thawv kom rub tawm, ua rau lawv zoo rau cov dej num loj.
Ntau tus mig welders kuj xav tau cov mem tes feature (yeem tab sis pom zoo). Mem tes mig txo cov lus tawm thaum tshav sov los ntawm "pulsing" tam sim no, tiv thaiv txhuas los ntawm melting sai dhau los yog warping. Rau cov pib tshiab, qhov no yooj yim tswj kev tswj lub pas dej weld.
Vuam Hlau thiab Kev thaiv cov roj
Aluminium mig vuam yuav tsum tau sib txuas hlau cov xaim xaim rau lub hauv paus hlau. Tib cov hlau suav nrog 4043 (ntau yam rau feem ntau 6000-koob aluminium aluminium) thiab 5356 (muaj zog rau cov txheej txheem 5000-series alloys). Cov xaim hlau hla nyob ntawm cov khoom tuab: 0.030-nti rau nyias nplooj ntawv (1/8-nti lossis tsawg dua) thiab 0.045-nti rau cov khoom tuab tuab.
Kev thaiv cov roj tsis yog - sib yeem - 100% argon yuav tsum muaj. Tsis zoo li cov hlau, uas tuaj yeem siv cov roj av argonxide sib xyaw, txhuas xav tau ntshiab argon kom tiv thaiv oxidation. Oxidation ua ib txheej oxide nyuaj (alumina) ntawm txhuas lub npoo, uas yaj ntawm cov kub siab dua li cov hlau nws tus kheej. Ntshiab Argon Displaces oxygen, kom ntseeg tau ntawm Weld Pas Fuss fusently yam tsis muaj kev paug.
Base Hlau Npaj
Aluminium Oxide txheej yog nws qhov loj tshaj vuam tus yeeb ncuab - nws muaj peev xwm cuab roj av hauv weld, ua rau porosity. Kom tshem tawm nws:
Ntxuav qhov saum npoo nrog tus hlau stainless hlau txhuam (mob siab rau txhuas) kom txhuam tawm ntawm cov oxide tawm.
Siv cov roj txhuas los sis tshwj xeeb txhuas ntxuav kom tshem roj, av, lossis cov kua txiav. Zam txhob siv cov khaub hlab uas tawm hauv lint, raws li nws tuaj yeem paug lub weld.
Rau tuab txhuas, bevel cov npoo los xyuas kom meej tag nrho. Qhov ntawm cov ntawv yuav tsum tsawg (0.010-0.020 ntiv tes) los tswj cov lus tawm thaum tshav kub.
Cov tswv yim kom ua tiav Aluminium MIG VUAM
Kev Tswj Cua Sov
Txhuas ua cov tshav kub 5x sai dua li cov hlau, yog li nws yuav tsum tau nce ntxiv amperage tab sis luv luv weld lub sij hawm. Piv txwv li, 1/8 {- nti aluminium xav tau 180-220 amps-ntau ntau dua li cov hlau ntawm tib tuab. Txawm li cas los xij, overheating ua rau cov hlau mus rau "hlawv los ntawm" lossis Warp. Siv cov nrawm nrawm thiab tsis txhob nres hauv ib qho chaw.
Preheating nyias txhuas (hauv qab 1/4-nti) tsis xav tau, tab sis thicker daim (1/2-nti lossis ntau dua) tau txais txiaj ntsig zoo rau 200-300℃f (93-149 degree). Qhov no txo qhov kev ua kom zoo thiab tiv thaiv cov ceg tawv txias (tsis tiav fusion).
Arc thiab tsau cov txheej txheem
Tswj ib qho luv luv, ruaj khov arc (1/4-nti lossis tsawg dua) kom ua kom pom kub ntawm lub pas dej weld. A ARC ua rau muaj lub ntsej muag thiab porosity. Tuav lub teeb rau ntawm 10-15℃thawb lub kaum ntse ntse (deb ntawm Weld taw) los txhim kho kev pom kev zoo thiab oxide tshem tawm.
Khaws cov hlau pub ceev nrawm synchronized nrog voltage. Ib "humming" arc suab qhia tau zoo chaw zoo - nrawm heev, thiab cov xaim pawg; qeeb, thiab arc ua yuam kev. Ntsuam xyuas rau seem txhuas ua ntej mus hu rau hauv chaw.
Post - Weld Saib Xyuas
Aluminium Welds tsis tas yuav tha xim rau corrosion tsis kam, tab sis tu tshem tawm lub spatter thiab flux residue. Siv tus kav hlau stainless (rau txhuas xwb) kom du cov weld hlaws. Rau qhov tseem ceeb (zoo li cov khoom siv roj hmab marine), anodizing lossis tshuaj lom neeg tuaj yeem txhim kho kom ruaj khov, tab sis qhov no yog xaiv rau cov haujlwm feem ntau.
Qhov Zoo Ntawm Mig Welding Aluminium
Mig Welding Txhuas yog nrawm dua li tig (uas qeeb heev tab sis ntau dua), ua rau nws zoo li cov kab ntau yam xws li nkoj hulls lossis tsheb thauj khoom. Nws tseem tseem muaj kev zam txim ntau rau cov pib dua li tsov, tshwj xeeb yog nrog rab phom spool thiab cov mem tes chemse. Thaum ua tiav txoj cai, MIG vSDS ntawm txhuas yog cov muaj zog, nrog lub zog tensile txuam nrog lub hauv paus hlau.
Txwv kom nco ntsoov
Aluminium mig vuam tsis yog tsis muaj kev cov nyom. Cov khoom siv (rab phom spool, laub {{1} rub tus nqi pub mis) ntxiv tus nqi {{ Nws tseem nyuaj dua rau weld zoo heev txhuas (hauv 16 lub ntsuas cua) tsis muaj hlawv {{6} kev kis tau sai heev. Rau cov xwm txheej zoo li no, tig tau zoo dua.
Cua los yog cov ntawv sau tuaj yeem cuam tshuam rau lub tshuab hlau argon, yog li Weld sab hauv tsev lossis siv cua tshuab. Txawm tias lub teeb ci tuaj yeem qhia cov oxygen, puas tsuaj rau weld nrog porosity.
Hauv cov ntsiab lus, MIG Welding cov cuab yeej txhuas yog nkaus nrog cov cuab yeej yog los yog thawb {{pump, 100% agon roj, thiab txuam sib sau ua ke. Los ntawm kev txhaj tshuaj tiv thaiv tshav kub thiab arc stability, koj tuaj yeem tsim cov ntaub ntawv welds muaj txhua yam ntawm DIY cov phiaj xwm rau kev lag luam. Thaum nws yuav tsum tau teeb tsa ntau dua li cov vuam hlau, Mig muaj qhov sib npaug ntawm kev nrawm thiab versatility uas ua rau nws xaiv qhov kev xaiv zoo rau txhuas ua haujlwm.
