Aluminium Vuam

Aluminium welding yuav tsum muaj cov txheej txheem xws li kev tu, kev sov so, cov khoom siv vuam, thiab cov khoom siv vuam, thiab nws ua rau muaj kev nyuaj siab vim nws cov thermal conductivity thiab inherent oxidation txheej tsim. Kev kub ceev ceev tuaj yeem ua rau muaj kev sib hloov, kev sib hloov, thiab kev ntxhov siab nyob hauv qhov vuam, thiab nws tshwj xeeb tshaj yog pom hauv cov ntawv nyias nyias thiab cuam tshuam lub zog ntawm kev sib koom tes.

 

Kev piav qhia

 

Thermal conductivity thiab kub rhiab heev yog nyob ib ncig ntawm 4 mus rau 5 npaug ntawm cov hlau, thiab cov aluminium melting point yog qis dua nws cov oxide txheej, uas tsim teeb meem uas txwv tsis pub weld hlau los ntawm kev sib koom. Thaum tshav kub kub disperses zoo nyob rau hauv txhuas thiab muaj peev xwm tsim ib tug loj crater thaum lub sij hawm vuam txheej txheem, thiab yog li ntawd, txhuas yog heev raug rau crater cracking, yog vim li cas craters yuav tsum tau sau nyob rau hauv thiaj li tsis ua hauj lwm tsis tshwm sim thaum kawg ntawm ib tug weld. Tus welder yuav tsum paub meej tias muaj cua sov ntau dua li qhov pib ntawm vuam, thiab yog li ntawd qhov kev nkag mus tag nrho yuav tsis tshwm sim kom txog thaum lub vuam tau nce mus deb ntawm qhov pib.

 

Aluminium Fillers vs Aluminium Qib

 

Thaum welding aluminium, xaiv cov khoom muab tub lim zoo (feem ntau nyob rau hauv daim ntawv muab tub lim lossis cov xov hlau) yog qhov tseem ceeb kom ntseeg tau tias muaj zog, ruaj khov, thiab sib xws. Aluminium fillers raug xaiv raws li lub hauv paus aluminium alloy, cov txheej txheem vuam (xws li, TIG, MIG), daim ntawv thov, thiab cov khoom xav tau zoo li lub zog, corrosion resistance, lossis ductility. Hauv qab no, peb tau piav qhia txog cov ntaub ntawv muab tub lim rau ntau hom txhuas thiab muab cov ntsiab lus rau lawv siv.

 

• √1xxx Series (Pure Aluminium, piv txwv li, 1100, 1350), pom zoo fillers: 1100, 4043,

Raws li peb paub tias 1xxx series muaj kev tiv thaiv corrosion zoo heev, siab thermal conductivity nrog lub zog tsis tshua muaj zog, thaum ntshiab txhuas muab tub lim zoo li 1100 phim lub hauv paus hlau muaj pes tsawg leeg rau corrosion kuj thiab conductivity. Rau cov ntawv thov hauv cov khoom siv hluav taws xob thiab cov khoom siv tshuaj, 4043 (silicon-alloyed) kuj yog siv los ua kom muaj dej zoo dua thiab ua kom tawg, tshwj xeeb tshaj yog hauv TIG vuam. Nyob rau hauv luv luv, 1xxx series yog mos, yog li zam dhau -alloying nrog muaj zog fillers kom tsis txhob tawg.

 

• √2xxx Series

(Copper-Alloyed, xws li, 2024, 2219, pom zoo muab tso rau: 2319 (rau 2219 tshwj xeeb, 4043 raws li kev cuam tshuam)

Rau aerospace Cheebtsam, 2319 yog siv rau 2219 vim hais tias nws phim cov ntsiab lus tooj liab thiab muab lub zog . 2xxx series alloys muaj lub zog siab, tsis tau, nws yuav kub kub tawg thiab feem ntau suav hais tias unweldable tshwj xeeb tshaj yog 2024, thiab 4043 yog ib tug poob rau lwm 2xxx alloys kom txo tau tawg, txawm tias nws txia lub zog. Yog tias ua tau, sim ua kom tsis txhob vuam 2xxx series, thiab cov khoom siv fastening yog nyiam rau cov ntawv thov tseem ceeb.

 

• √3xxx Series (Manganese-Alloyed, xws li, 3003, 3004), pom zoo muab tso rau: 4043, 5356

3xxx serries muaj lub zog nruab nrab, zoo corrosion kuj, feem ntau siv hauv cov ntawv hlau, thiab 4043 muab cov dej ntws zoo thiab tawg ua haujlwm rau dav dav - lub hom phiaj vuam. 5356 (magnesium-alloyed) siv tau yog tias xav tau lub zog siab dua lossis kev tiv thaiv corrosion yog xav tau . 3xxx series yog weldable, thiab muab tub lim xaiv feem ntau yog nyob ntawm seb cov ntawv yuav tsum tau siv los yog ntau dua {6} hlau, HVAC, ntim khoom noj.

 

• √4xxx Series: Silicon-alloyed (xws li, 4043), feem ntau yog siv los ua cov khoom siv rau lawv tus kheej vim muaj dej ntws zoo thiab tawg tsis kam.

 

• √5xxx Series (Magnesium-Alloyed, eg, 5052, 5083, 5086), pom zoo muab tso rau: 5356, 5183, 5556

Cov koob no muaj lub zog siab thiab zoo heev corrosion kuj, thiab lawv tau dav siv nyob rau hauv marine, tsheb thiab siab hlab ntsha. Nyob rau hauv kev xyaum, 5356 yog mus- muab tub lim rau feem ntau 5xxx alloys vim nws cov ntsiab lus magnesium txuam, corrosion kuj zoo heev (tshwj xeeb tshaj yog nyob rau hauv marine ib puag ncig), thiab zoo zog . 5183 thiab 5556 yog siv rau siab dua - daim ntawv thov zog (xws li, 5083 puag hlau hauv shipbuilding). Thov tsis txhob hnov ​​​​qab kom zam 4xxx fillers zoo li 4043 ntawm 5xxx alloys yog tias corrosion kuj tseem ceeb, vim tias silicon tuaj yeem txo nws. Tsis tas li ntawd, 5xxx fillers tuaj yeem ua rau smut (dub residue) hauv TIG vuam, thiab yog li ntawd yuav tsum tau ntxuav ntau zaus.

 

• √6xxx Series (Magnesium-Silicon-Alloyed, xws li, 6061, 6063), pom zoo muab tso rau: 4043, 5356

Cov koob no muaj lub zog zoo thiab weldability, dav siv hauv cov qauv siv, thiab 4043 yog dav siv rau nws cov dej zoo heev, tsis tshua muaj kev sib tw, thiab cov xim zoo tom qab anodizing (feem ntau rau 6xxx alloys) . 5356 yog xaiv thaum xav tau ntau zog, txawm tias nws yog dej tsawg thiab tej zaum yuav tsis phim xim thiab postdizing {3}ano. Ntxiv rau, 4043 feem ntau nyiam rau kev kho dav dav ntawm 6061 vim qhov yooj yim ntawm kev siv, tab sis 5356 muab cov khoom siv kho tshuab zoo dua rau cov welds tseem ceeb.

 

• √7xxx Series (Zinc-Alloyed, piv txwv li, 7075, 7050), pom zoo muab tso rau: 5356 (tsis tshua muaj), 4043 (raws li kev cuam tshuam)

Cov koob no muaj zog heev, siv nyob rau hauv aerospace thiab siab - cov khoom muaj zog, tab sis tsis zoo weldability vim tawg, yog li 7xxx alloys tsis weldable vim kub kub tawg thiab kev nyuaj siab corrosion teeb meem. Thaum vuam tau sim (piv txwv li, rau kev kho), 5356 lossis 4043 yog siv los txo qhov tawg, tab sis cov vuam yuav tsis muaj zog dua li cov hlau hauv qab. Feem ntau, vuam feem ntau poob siab rau 7xxx alloys, thiab lwm txoj kev koom nrog lossis cov txheej txheem tshwj xeeb (xws li kev sib txhuam do vuam) yog qhov pom zoo.

 

 

Kev txiav txim siab ntawm Aluminium Vuam

 

Xaiv cov hlau muab tub lim kom raug yog ib qho kev txiav txim siab tseem ceeb tshaj plaws thaum vuam aluminium, vim tias kev xaiv tsis zoo tuaj yeem ua rau tawg, tsis muaj zog, thiab tsis zoo corrosion kuj. Tsis zoo li cov hlau, koj yuav luag tsis siv cov hlau muab tub lim uas phim lub hauv paus hlau, thiab yog li ntawd koj yuav tsum muaj kev xav zoo kom muaj lub suab aluminium vuam. Hauv qab no yog ib daim ntawv teev luv luv:

 

• √Oxidation

Aluminium sai oxidizes thaum raug rau cov huab cua, tsim ib tug nyias oxide txheej nrog ib tug siab melting kub (2072 C degree) tshaj txhuas (660 C degree). Feem ntau, vuam los ntawm qhov barrier yuav hlawv qhov los ntawm lub workpiece. Kev tshem tawm cov txheej txheem oxide tuaj yeem ua tiav los ntawm cov kuab tshuaj, cov kua qaub lossis los ntawm cov txheej txheem abrasive los ntawm ib qho tshwj xeeb stainless hlau xaim txhuam lossis sandblasting.

 

• √Anodizing

Anodizing, yog tias cov vuam yuav raug anodized, xaiv ib qho muab tub lim uas phim lub hauv paus hlau cov xim teb (xws li, 4043 rau 6xxx alloys feem ntau zoo dua 5356 tom qab anodizing).

 

• √Preheating

Preheating tuaj yeem pab txo qhov tawg thiab tsim cov chaw ntxeem tau hauv cov seem txhuas thiab cov hom alloy tshwj xeeb. Txawm li cas los xij, ntau dhau preheating tuaj yeem ua rau muaj qhov tsis zoo. Ntxiv mus, preheating aluminium pab tiv thaiv qhov kub thiab txias hloov pauv uas tuaj yeem ua rau muaj teeb meem vuam.

 

• √Porousness

Thaum lub sij hawm molten lub xeev, txhuas tuaj yeem nqus tau cov hydrogen ntau, uas ua rau cov voids me me los yog npuas tsim nyob rau hauv cov hlau weld. Qhov no ua rau lub cev tsis muaj zog ntawm cov hlau, ua rau nws yooj yim rau kev ua tsis tiav los ntawm kev siab thiab kev ntxhov siab. Yog li ntawd, siv cov khoom siv tiv thaiv, ntxiv rau tshem cov roj thiab roj los ntawm qhov chaw ua haujlwm tuaj yeem txo qhov porosity.

 

• √Cov impurities

Txhawm rau kom tsis txhob muaj xim tsis zoo, ua qoob loo, corrosion thiab oxidation tam sim no cov cim qhia ntawm impurities nyob rau hauv ib qho kev sib txuas, tus neeg teb xov tooj yuav tsum tau tshem cov roj, av thiab khib nyiab ntawm lub workpiece ua ntej vuam. tuaj yeem cuam tshuam tsis zoo rau thaj tsam weld, cuam tshuam rau lub zog thiab cov tsos ntawm lub workpiece. Txhawm rau txo qis ua ntej - vuam kev npaj ua haujlwm, kev cia khoom kom zoo, kev saib xyuas cov cuab yeej yog ib qho kev xaiv zoo tshaj plaws.

 

• √Thickness

Txhawm rau weld nyias thiab tuab cov khoom txhuas ib txhij yog ib qho kev sib tw vim tias cov cua sov siv yuav yaj los ntawm cov khoom nyias, tab sis tsis tuaj yeem nkag mus rau cov khoom tuab rau cov khoom sib txuas uas muaj zog. Cov welders yuav tsum tau teeb tsa ib qho kev ntsuas uas npog cov qib txhuas, vuam txoj kev, amperage, cua sov input thiab muab tub lim hom kom ua tau zoo vuam zoo.

 

 

Aluminium Filler Nta

 

Vuam aluminium yog cov txheej txheem nyuaj uas yuav tsum tau muaj kev paub txog cov khoom ntim khoom, thiab lawv luv luv hauv qab no:

 

• √4043, silicon-alloyed nrog 4.5 - 6.0% ntawm silicon, silicon txo lub melting point thiab txhim kho cov fluidity ntawm lub pas dej ua ke, ua kom yooj yim rau kev ua hauj lwm nrog thiab txo qhov kev pheej hmoo ntawm kub tawg. Nws cov tshuaj muaj pes tsawg leeg ua kom yooj yim vuam thiab du hlaws zoo li, txawm hais tias nws txi qee lub zog thiab corrosion kuj piv rau magnesium-raws li cov khoom siv xws li 5356. Nws yog ib qho kev xaiv zoo tshaj plaws rau kev siv dav dav, kho, thiab kev siv qhov twg tom qab- vuam zoo li (xws li, anodizing) yog ib qho tseem ceeb, tab sis nws tsis yog qhov zoo tshaj plaws rau siab tshaj {{10}. Qhov zoo tshaj plaws rau- lub hom phiaj vuam, tshwj xeeb tshaj yog ntawm 6xxx thiab 3xxx series. Zoo rau TIG thiab MIG. Tsis zoo rau siab -magnesium alloys (5xxx) yog tias muaj teeb meem corrosion. Thaum siv nrog 6xxx series alloys (piv txwv li, 6061, 6063), 4043 muab cov xim zoo dua tom qab anodizing piv rau magnesium-raws li cov fillers xws li 5356, uas tuaj yeem tshwm tsaus nti lossis tsis sib haum.
• √ 5356, magnesium-alloyed with 5% of magnesium which can enhance strength and corrosion resistance. It excels in marine and structural welding but is temperature-limited. Its balance of strength, feedability, and color-matching makes it a top choice for welding 5xxx/6xxx aluminum alloys for marine or structural applications. Worthwhile to remember that avoid welding high Mg alloys (>3% ntawm Mg) los tiv thaiv brittleness. Feem ntau rau MIG vuam.
• √5183/5556, siab dua - zog lwm txoj rau 5356 rau 5xxx alloys (xws li, 5083) nyob rau hauv xav tau daim ntawv thov xws li shipbuilding.
• √2319, tooj liab-alloyed, tshwj xeeb rau 2219 (ib qho weldable 2xxx alloy) rau kev siv dav hlau.
• √1100/1070: Ntshiab txhuas muab tub lim rau 1xxx series, sib xyaw muaj pes tsawg leeg rau conductivity thiab corrosion kuj.
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Aluminium Vuam Tshuab

 

MIG thiab TIG vuam yog cov txheej txheem vuam feem ntau rau kev koom nrog txhuas vim nws qhov tseeb thiab zoo. Nrog rau ob txoj kev siv vuam no, muaj lwm txoj kev siv vuam siv rau kev thov tshwj xeeb, thiab hauv qab no yog cov lus qhia luv luv:

 

• √TIG Welding (Tungsten Inert Gas)

TIG Nws tuaj yeem ua haujlwm ntawm AC polarity, muab kev ruaj ntseg rau arc thiab tshem tawm cov txheej txheem oxide, thiab tus kws paub txog TIG welder tuaj yeem ua kom muaj cua sov txaus rau fuse aluminium alloys, nrog rau kev muaj peev xwm vuam ob ntu nyias thiab tuab. Inert shielding gas, feem ntau argon, yog pub rau TIG torch kom lub weld puddle tsis muaj paug.

 

• √MIG Welding (Gas Metal Arc Vuam, GMAW)

MIG welding yog cov txheej txheem vuam nrov rau cov khoom siv aluminium tuab dua li cov khoom siv hluav taws xob siab dua hauv TIG vuam. Txoj kev vuam no zoo ib yam li cov txheej txheem TIG tab sis tsis yog siv cov khoom siv tsis yog -tungsten electrode, nws siv cov hlau tsis siv neeg pub electrode uas muaj kev mus los sai dua los ntawm nws cov phom phom. Shielding gases kuj tseem siv los tiv thaiv cov welds los ntawm kev sib kis.

 

• √Electron Beam Vuam

Electron welding txoj kev yog ua nyob rau hauv lub tshuab nqus tsev chamber, tiv thaiv weld los ntawm impurities tsis tas yuav tsum tau ntxiv shielding gases, thiab yog li ntawd nws yog ib qho zoo heev kev xaiv rau tuab seem vim nws ua ib tug me me thiab meej weld pas dej ua ke.

 

• √Laser Vuam

Laser welding muaj precision ob qho tib si nqaim weld dav thiab weld qhov tob, uas ua rau huv weld aav nrog ntxiv ntawm shielding gas. 6xxx series feem ntau ua tau rau laser vuam nrog 4032 lossis 4047 aluminium fillers. Nws yog cov txheej txheem vuam ceev uas ua rau lub zog loj ceev ntawm lub workpiece nto.

 

• √Kuj Vuam

Resistance vuam siv lub siab thiab tam sim no mus rau fusion, thiab qhov tsis zoo ntawm cov txheej txheem no yog cov teeb meem tshwm sim thaum muaj kev kub ntxhov thiab hluav taws xob conductivity.

 

• √Kev sib txhuam vuam

Kev sib txhuam vuam yog tsim los siv cov cua sov uas tsim los ntawm kev sib txhuam los ntawm cov khoom siv txhuas. Qhov zoo ntawm kev sib txhuam vuam yog tias nws tuaj yeem siv rau txhua qib aluminium alloy, nrog rau qhov nyuaj - rau -weld 2xxx thiab 7xxx series, thiab tsis tas yuav siv cov ntaub thaiv npog los tiv thaiv lub pas dej.

 

Vuam Service

 

Vuam aluminium tuaj yeem nyuaj, txawm tias muaj kev paub txog kev siv vuam, thiab cov txheej txheem tshwj xeeb thiab kev ceev faj yuav tsum tau ua rau vuam zoo. Kev ua yuam kev tuaj yeem ua rau cov pob qij txha tsis muaj zog, qhov tsis xws luag, lossis txawm tias ua tiav vuam tsis ua haujlwm. Fabmann tuaj yeem yog koj tus khub uas ntseeg siab, thiab peb tuaj yeem xa cov qauv vuam zoo nrog kev sib xws, thiab peb muab ntau yam kev pabcuam txhuas vuam catered rau ntau yam kev xav tau rau koj cov kev xav tau tshwj xeeb. Peb cov kws tsim khoom thiab cov khoom siv vuam tau paub txog kev ua haujlwm nrog ntau hom txhuas alloys, thiab tuaj yeem muab kev pabcuam vuam zoo rau koj. Peb pab neeg tsom mus rau cov hauv qab no thaum peb ua tiav koj cov haujlwm xws li cov khoom siv dav dav, tubing & phaj, cov khoom siv hauv hiav txwv thiab kev tsim kho.

 

• √TIG welding thiab MIG vuam rau txhuas
• √Precision vuam nrog nruj tolerances
• √Secondary kev cai fabrication xws li laser txiav, stamping, sib dhos
• √ Lub zog txheejthiab anodizing