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Ntshiab aluminium yog ib qho muag muag thiab zoo-ductive hlau. Rau feem ntau cov qauv, nws lub zog yog tsawg. Txhawm rau ua kom muaj zog ntawm aluminium, cov ntsiab lus alloying yuav tsum tau ntxiv. Copper, silicon, manganese, magnesium, thiab zinc yog siv los ua lub ntsiab tseem ceeb los ua kom muaj zog-soluble reinforcement nyhuv. Aluminium thiab aluminium alloy tau siv dav hauv ntau lub lag luam.
Lub vuam ntawm aluminium thiab aluminium alloy yog qhov nyuaj dua li cov hlau tsis tshua muaj carbon. Nws cov yam ntxwv vuam txawv ntawm cov hlau tsis tshua muaj carbon. Kev ua haujlwm tshwj xeeb yog raws li hauv qab no:
1. Soferality ntawm welded txuas txhua yam kev ua tau zoo, txo corrosion kuj.
2. Cov khoom siv tshuaj lom neeg muaj zog heev, thiab qhov chaw yooj yim tsim.
3. Muaj zog thermal conductivity, thiab nws yog ib qho yooj yim ua rau insoluble tshwm sim thaum vuam.
4. Ua tiav qhov tsis xws luag xws li pores, tawg, tom ntug, slag thiab weld forming.
5. Cov kab loj loj nthuav dav coefficient (kwv yees li 2 npaug ntawm qhov qis-carbon steel), uas yog nquag mus rau warp thiab deformation thaum vuam.
6. Lub thermal conductivity yog loj (kwv yees li 5 npaug ntawm cov pa roj carbon tsawg). Nyob rau tib lub vuam ceev, lub thermal input yog 2 mus rau 4 npaug loj dua cov vuam hlau.
Aluminium alloy yog welded nrog TIG lossis GMAW.
1. Aluminium alloy tig vuam
Yog tias koj xav tau cov vuam zoo tshaj plaws, Tig vuam feem ntau yog thawj qhov kev xaiv. Txoj kev tsim nyog tshaj plaws yog kev sib pauv TIG vuam thiab AC pulse TIG vuam. Muaj ntau qhov zoo:
1. Thaum vuam, cov yam ntxwv cathode atomization tuaj yeem raug tshem tawm ntawm nws tus kheej.
2. Daim ntawv sib txuas tsis txwv, qhov saum npoo yog du thiab zoo rau molding.
3. Lub vuam cheeb tsam ntawm cov cua ntws kom txias cov pob qij txha kom txias thiab txhim kho lub koom haum thiab kev ua haujlwm.
Yog li ntawd, cov txheej txheem no yog tsim nyog nyob rau hauv high-quality thiab tseem ceeb heev aerospace kev lag luam. Tau kawg, nws qhov tsis zoo kuj tseem pom tseeb heev. Vuam efficiency yog tsawg, thiab nws tsis haum rau zus tau tej cov loj-scale high-efficiency.
1. Aluminium alloy GMAW vuam
Gmaw vuam tau maj mam nkag hauv peb lub neej. DC rov qab txuas feem ntau yog siv thaum vuam, thiab mem tes vuam kuj siv tau. Piv nrog TIG vuam, GMAW vuam muaj qhov zoo hauv qab no:
1. Yuav luag tsis muaj oxidative hlawv thaum lub sij hawm vuam, thiab cov txheej txheem yog yooj yim dua.
2. Kev ua haujlwm siab ua haujlwm.
3. Tsis txhob siv tungsten ncej, tus nqi qis.
Thaum vuam hauv GMAW, xyuam xim rau cov ntsiab lus hauv qab no:
1. Koj yuav tsum tau siv cov yas-raws li cov hlua khi, thiab cov kav hlau tsis tuaj yeem siv.
2. Aluminium vuam hlau yog mos thiab xaim xaim tsis zoo. Koj yuav tsum xaiv U-shaped zawj xaim xaim log.
3. Siv lub qhov ncauj sab hauv kom zoo.
4. Tsis txhob muab cov khoom sib koom nrog steel vuam kom tsis txhob muaj kuab paug.
GMA-A5356 siv cov nyhuv ntawm qhov chaw ntawm tus neeg siv khoom
Cov ntaub ntawv no qhia rau cov neeg siv uas tab tom pib lossis tab tom yuav raug welded, cia peb ua kom muaj kev vam meej ntawm txoj kev ntawm aluminium alloy welding.
Cov khoom lag luam ib txwm muaj ntawm peb lub tuam txhab yog raws li hauv qab no:
TIG MIG
GTA-A4043 GMA-A4043
GTA-A5183 GMA-A5183
GTA-A5356 GMA-A5356
Post lub sij hawm: Nov-14-2022