Laser Vuam: Yuav Ua Li Cas Xaiv Koj Cov Roj Tiv Thaiv

Kev xaiv cov roj laser pab vuam yog ib qho ntawm cov kev txiav txim siab tseem ceeb tshaj plaws uas koj yuav ua, tab sis nws feem ntau tsis nkag siab. Puas tau xav tias vim li cas qhov kev vuam laser zoo li tsis ua tiav thaum muaj kev ntxhov siab? Cov lus teb yuav nyob hauv huab cua ... lossis es, hauv cov roj tshwj xeeb uas koj siv los tiv thaiv qhov vuam.

Cov roj no, tseem hu ua cov roj tiv thaiv rau kev vuam laser, tsis yog tsuas yog ib qho kev xaiv ntxiv xwb; nws yog ib feem tseem ceeb ntawm cov txheej txheem. Nws ua peb txoj haujlwm uas tsis tuaj yeem sib tham tau uas txiav txim siab ncaj qha rau qhov zoo, lub zog, thiab qhov tsos ntawm koj cov khoom kawg.

Nws Tiv Thaiv Qhov Weld:Cov pa roj pab tsim ib lub npuas tiv thaiv nyob ib puag ncig cov hlau uas yaj, tiv thaiv nws ntawm cov pa roj hauv huab cua xws li oxygen thiab nitrogen. Yog tsis muaj lub npog no, koj yuav tau txais cov teeb meem loj xws li oxidation (qhov vuam tsis muaj zog, tsis muaj xim) thiab porosity (cov npuas me me uas ua rau lub zog tsis zoo).

Nws Ua Kom Muaj Zog Laser Tag Nrho:Thaum lub laser ntaus cov hlau, nws tuaj yeem tsim ib "plasma huab." Cov huab no tuaj yeem thaiv thiab tawg lub zog ntawm lub laser, ua rau cov vuam tsis tob thiab tsis muaj zog. Cov roj zoo tshem cov plasma no mus, ua kom lub zog tag nrho ntawm koj lub laser mus txog qhov workpiece.

Nws Tiv Thaiv Koj Cov Khoom Siv:Cov pa roj kuj tseem tiv thaiv cov pa hlau thiab cov spatter los ntawm kev ya mus rau saum thiab ua rau lub lens kim hauv koj lub taub hau laser puas tsuaj, txuag koj ntawm lub sijhawm tsis ua haujlwm thiab kev kho kim.

Xaiv Cov Roj Tiv Thaiv rau Laser Welding: Cov Neeg Sib Tw Tseem Ceeb

Koj xaiv cov roj tsuas yog peb lub tuam txhab tseem ceeb xwb: Argon, Nitrogen, thiab Helium. Xav txog lawv ua cov kws tshwj xeeb sib txawv uas koj yuav ntiav rau ib txoj haujlwm. Txhua tus muaj lub zog, qhov tsis muaj zog, thiab cov qauv siv zoo tshaj plaws.

Argon (Ar): Lub Tuam Txhab Txhim Khu Kev Txhim Kho Txhua Yam

Argon yog lub zog ua haujlwm tseem ceeb ntawm lub ntiaj teb vuam. Nws yog ib qho roj inert, txhais tau tias nws yuav tsis cuam tshuam nrog lub pas dej vuam uas yaj. Nws kuj hnyav dua li huab cua, yog li nws muab kev tiv thaiv zoo heev, ruaj khov yam tsis tas yuav muaj cov nqi ntws siab dhau.

Zoo Tshaj Plaws Rau:Muaj ntau yam khoom siv, suav nrog txhuas, hlau tsis xeb, thiab tshwj xeeb tshaj yog cov hlau reactive xws li titanium. Argon laser vuam yog qhov mus-rau rau fiber lasers vim nws xa cov vuam huv, ci, thiab du.

Qhov Tseem Ceeb Yuav Tsum Xav Txog:Nws muaj peev xwm ionization qis. Nrog rau cov CO₂ lasers muaj zog heev, nws tuaj yeem pab txhawb rau kev tsim plasma, tab sis rau feem ntau cov ntawv thov fiber laser niaj hnub no, nws yog qhov kev xaiv zoo tshaj plaws.

Nitrogen (N₂): Tus Ua Tau Zoo Tshaj Plaws

Nitrogen yog qhov kev xaiv uas pheej yig, tab sis tsis txhob cia tus nqi qis dua dag koj. Yog tias siv tau zoo, nws tsis yog tsuas yog ib daim thaiv xwb; nws yog ib qho kev koom tes uas tuaj yeem txhim kho qhov vuam.

Zoo Tshaj Plaws Rau:Qee qib ntawm cov hlau tsis xeb. Kev siv nitrogen rau laser vuam cov hlau tsis xeb tuaj yeem ua haujlwm ua tus neeg sawv cev alloying, ruaj khov cov qauv sab hauv ntawm cov hlau kom txhim kho lub zog kho tshuab thiab kev tiv thaiv xeb.

Qhov Tseem Ceeb Yuav Tsum Xav Txog:Nitrogen yog ib qho roj uas ua rau muaj kev cuam tshuam. Siv nws rau cov khoom siv tsis raug, xws li titanium lossis qee cov hlau carbon, yog ib daim ntawv qhia rau kev puas tsuaj. Nws yuav ua rau cov hlau thiab ua rau muaj kev tawg loj heev, ua rau qhov vuam uas tuaj yeem tawg thiab ua tsis tiav.

Helium (He): Tus Kws Tshwj Xeeb Ua Haujlwm Siab

Helium yog lub hnub qub kim tshaj plaws. Nws muaj kev ua tau zoo ntawm cov cua sov thiab muaj peev xwm ionization siab heev, ua rau nws yog tus yeej tsis muaj kev sib cav ntawm kev tswj cov plasma.

Zoo Tshaj Plaws Rau:Kev vuam tob tob hauv cov ntaub ntawv tuab lossis cov khoom siv hluav taws xob zoo li txhuas thiab tooj liab. Nws tseem yog qhov kev xaiv zoo tshaj plaws rau cov laser CO₂ muaj zog heev, uas yooj yim rau kev tsim cov plasma.

Qhov Tseem Ceeb Yuav Tsum Xav Txog:Tus nqi. Helium kim heev, thiab vim nws sib dua, koj xav tau cov dej ntws siab kom tau txais kev tiv thaiv txaus, ua rau tus nqi ua haujlwm nce ntxiv.

Kev Sib Piv Roj Sai Sai

Kev Xaiv Roj Siv Laser Welding Uas Siv Tau Zoo: Sib phim Roj rau Hlau

Kev xav yeej zoo heev, tab sis koj yuav siv nws li cas? Nov yog cov lus qhia yooj yim rau cov ntaub ntawv feem ntau.

Vuam Cov Hlau Stainless

Koj muaj ob txoj kev xaiv zoo heev ntawm no. Rau cov hlau austenitic thiab duplex stainless steels, Nitrogen lossis Nitrogen-Argon sib xyaw feem ntau yog qhov kev xaiv zoo tshaj plaws. Nws ua kom cov qauv me me thiab ua kom lub vuam muaj zog dua. Yog tias koj qhov tseem ceeb yog qhov huv si, ci ntsa iab thiab tsis muaj kev sib cuam tshuam tshuaj lom neeg, Argon ntshiab yog txoj hauv kev zoo tshaj plaws.

Vuam Aluminium

Aluminium nyuaj heev vim nws ua rau cua sov ploj sai heev. Rau feem ntau ntawm cov ntawv thov, Argon ntshiab yog qhov kev xaiv txheem vim nws txoj kev tiv thaiv zoo heev. Txawm li cas los xij, yog tias koj tab tom vuam cov ntu tuab dua (saum toj no 3-4 hli), kev sib xyaw Argon-Helium yog qhov hloov pauv qhov kev ua si. Lub helium muab qhov cua sov ntxiv uas xav tau kom ua tiav qhov nkag mus tob thiab sib xws.

Vuam Titanium

Tsuas muaj ib txoj cai rau kev vuam titanium: siv cov Argon uas muaj cov pa roj ntshiab. Tsis txhob siv Nitrogen lossis cov roj sib xyaw uas muaj cov pa roj reactive. Nitrogen yuav ua rau cov titanium ua rau cov hlau vuam tawg yooj yim thiab yuav tsis ua haujlwm. Kev tiv thaiv kom zoo nrog cov roj tom qab thiab tom qab kuj tseem ceeb heev kom tiv thaiv cov hlau txias los ntawm kev sib cuag nrog huab cua.

Cov Lus Qhia Txog Kws Tshaj Lij:Feem ntau cov neeg sim txuag nyiaj los ntawm kev txo lawv cov roj ntws, tab sis qhov no yog qhov yuam kev qub. Tus nqi ntawm ib qho kev vuam tsis ua haujlwm vim yog oxidation ntau dua li tus nqi ntawm kev siv cov roj tiv thaiv kom raug. Ib txwm pib nrog tus nqi ntws pom zoo rau koj daim ntawv thov thiab kho txij ntawd mus.

Kev daws teeb meem ntawm cov teeb meem Laser Welding uas tshwm sim ntau zaus

Yog tias koj pom teeb meem hauv koj cov welds, koj cov roj pabcuam yog ib qho ntawm thawj yam koj yuav tsum tshawb xyuas.

Oxidation thiab Discoloration:Qhov no yog lub cim qhia meej tshaj plaws ntawm kev tiv thaiv tsis zoo. Koj cov roj tsis tiv thaiv qhov vuam ntawm cov pa oxygen. Feem ntau qhov kev kho yog kom nce koj cov roj ntws lossis xyuas koj lub nozzle thiab lub tshuab xa roj rau qhov xau lossis thaiv.

Porosity (Cov pa roj npuas):Qhov teeb meem no ua rau lub vuam tsis muaj zog los ntawm sab hauv. Nws tuaj yeem tshwm sim los ntawm qhov ntws qeeb dhau (tsis muaj kev tiv thaiv txaus) lossis qhov ntws siab dhau, uas tuaj yeem tsim kev co thiab rub cua mus rau hauv lub pas dej vuam.

Kev Nkag Mus Tsis Sib Xws:Yog tias koj qhov tob ntawm qhov vuam yog thoob plaws qhov chaw, koj yuav muaj teeb meem nrog plasma thaiv lub laser. Qhov no yog ib qho tshwm sim nrog CO₂ lasers. Txoj kev daws teeb meem yog hloov mus rau cov roj uas muaj kev tswj hwm plasma zoo dua, zoo li Helium lossis Helium-Argon sib xyaw.

Cov Ncauj Lus Qib Siab: Cov Khoom Sib Xyaws Roj & Hom Laser

Lub Hwj Chim ntawm Kev Sib Xyaws Zoo

Qee zaum, ib qho roj tsis txaus. Cov roj sib xyaw yog siv los kom tau "qhov zoo tshaj plaws ntawm ob lub ntiaj teb."

Argon-Helium (Ar/He):Sib xyaw ua ke qhov kev tiv thaiv zoo heev ntawm Argon nrog rau qhov kub siab thiab kev tswj hwm plasma ntawm Helium. Zoo meej rau kev vuam tob hauv txhuas.

Argon-Hydrogen (Ar/H₂):Ib qho me me ntawm hydrogen (1-5%) tuaj yeem ua haujlwm ua "tus neeg sawv cev txo qis" ntawm cov hlau tsis xeb, tshem tawm cov pa oxygen uas tsis muaj zog kom tsim tau cov hlaws txuas uas ci dua thiab huv dua.

CO₂ vs.Cov fiberXaiv Lub Laser Zoo

Cov CO₂ Lasers:Lawv yooj yim raug rau cov plasma tsim. Qhov no yog vim li cas Helium kim heev thiaj li pom muaj nyob rau hauv cov CO muaj zog siab₂ cov ntawv thov.

Cov Lasers Fiber:Lawv tsis tshua muaj teeb meem plasma. Qhov txiaj ntsig zoo kawg no tso cai rau koj siv cov roj uas pheej yig dua xws li Argon thiab Nitrogen rau feem ntau ntawm cov haujlwm yam tsis muaj kev cuam tshuam kev ua haujlwm.

Cov Lus Qhia Tseem Ceeb

Kev xaiv cov roj pab vuam laser yog qhov tseem ceeb ntawm cov txheej txheem, tsis yog kev xav tom qab. Los ntawm kev nkag siab txog cov haujlwm tseem ceeb ntawm kev tiv thaiv, kev tiv thaiv koj cov optics, thiab kev tswj cov plasma, koj tuaj yeem ua qhov kev xaiv paub. Ib txwm phim cov roj rau cov khoom siv thiab cov kev xav tau tshwj xeeb ntawm koj daim ntawv thov.

Npaj txhij los ua kom koj txoj kev vuam laser zoo dua thiab tshem tawm cov teeb meem cuam tshuam nrog roj? Saib xyuas koj qhov kev xaiv roj tam sim no raws li cov lus qhia no thiab saib seb qhov kev hloov pauv yooj yim puas tuaj yeem ua rau muaj kev txhim kho loj hauv qhov zoo thiab kev ua haujlwm zoo.