Ua tus nqa lwm qhov ntawm lub tsheb, cov thev naus laus zis tsim khoom ntawm lub cev tsheb ncaj qha txiav txim siab qhov zoo ntawm kev tsim khoom ntawm lub tsheb. Hauv cov txheej txheem ntawm kev tsim lub cev tsheb, kev vuam yog ib qho txheej txheem tsim khoom tseem ceeb. Cov thev naus laus zis vuam uas siv rau kev vuam lub cev tsheb feem ntau suav nrog kev vuam qhov chaw tiv taus, kev vuam molten inert gas shielded (MIG welding) thiab kev vuam molten active gas shielded arc (MAG welding) nrog rau kev vuam laser.
Ua ib qho thev naus laus zis vuam siab heev nrog kev sib koom ua ke ntawm optical-mechanical, laser welding technology muaj qhov zoo ntawm lub zog ceev ceev, kev vuam ceev ceev, kev ntxhov siab vuam qis thiab kev hloov pauv, thiab kev ywj pheej zoo piv rau cov thev naus laus zis vuam lub cev tsheb ib txwm muaj.
Lub cev tsheb cov qauv yog qhov nyuaj, thiab cov khoom ntawm lub cev feem ntau yog cov khoom nyias nyias thiab nkhaus. Kev vuam lub cev tsheb ntsib teeb meem vuam xws li kev hloov pauv ntawm cov khoom siv lub cev, qhov tuab ntawm cov khoom ntawm lub cev sib txawv, ntau txoj kev vuam thiab cov duab sib koom ua ke. Tsis tas li ntawd, kev vuam lub cev tsheb muaj qhov yuav tsum tau ua siab rau qhov zoo ntawm kev vuam thiab kev ua haujlwm ntawm kev vuam.
Raws li cov txheej txheem vuam tsim nyog, kev vuam laser tuaj yeem ua kom muaj zog qaug zog thiab cuam tshuam ntawm cov khoom tseem ceeb ntawm lub cev tsheb thaum vuam, yog li ua kom ntseeg tau tias qhov zoo thiab lub neej ua haujlwm ntawm kev vuam lub cev. Kev siv tshuab vuam laser tuaj yeem hloov kho rau kev vuam cov khoom ntawm lub cev tsheb nrog ntau hom pob qij txha, ntau qhov tuab thiab ntau hom khoom sib txawv, ua tau raws li qhov xav tau ntawm kev ywj pheej hauv kev tsim lub cev tsheb. Yog li ntawd, kev siv tshuab vuam laser yog ib txoj hauv kev tseem ceeb los ua kom muaj kev txhim kho zoo ntawm kev lag luam tsheb.
Cov txheej txheem laser welding rau cov tsheb lub cev
Lub hauv paus ntsiab lus ntawm kev siv laser sib sib zog nqus vuam: Thaum lub zog laser ceev txog ib qib, qhov chaw ntawm cov khoom siv yuav ua pa, yog li ua rau lub qhov tseem ceeb. Thaum lub zog ntawm cov hlau hauv lub qhov mus txog qhov sib npaug ntawm lub zog static thiab qhov nro ntawm cov kua dej ib puag ncig, lub laser tuaj yeem irradiate los ntawm lub qhov tseem ceeb mus rau hauv qab ntawm lub qhov, thiab nrog kev txav ntawm lub teeb laser, kev sib txuas tas mus li tau tsim. Hauv cov txheej txheem sib sib zog nqus vuam laser, tsis tas yuav ntxiv cov kua dej lossis cov khoom sau los vuam cov khoom siv ua haujlwm rau hauv ib qho.
Cov xov hlau uas tau los ntawm kev siv laser sib sib zog nqus fusion vuam feem ntau yog du thiab ncaj nrog me ntsis deformation, uas yog qhov zoo rau kev txhim kho qhov tseeb ntawm kev tsim khoom ntawm lub cev tsheb. Lub zog tensile ntawm qhov vuam yog siab, uas ua kom lub cev tsheb vuam zoo. Qhov ceev ntawm kev vuam yog ceev, uas yog qhov zoo rau kev txhim kho kev tsim khoom vuam.
Hauv cov txheej txheem vuam lub cev tsheb, kev siv cov txheej txheem vuam sib sib zog nqus laser tuaj yeem txo qhov ntau ntawm cov khoom, pwm thiab cov cuab yeej vuam, yog li txo qhov hnyav tuag ntawm lub cev thiab cov nqi tsim khoom. Txawm li cas los xij, cov txheej txheem vuam sib sib zog nqus laser tsis kam rau qhov sib dhos ntawm cov khoom yuav tsum tau vuam, thiab qhov sib dhos sib dhos yuav tsum tau tswj hwm ntawm 0.05 thiab 2 hli. Yog tias qhov sib dhos sib dhos loj dhau, qhov tsis zoo ntawm kev vuam xws li porosity yuav tshwm sim.
Cov kev tshawb fawb tam sim no qhia tau hais tias hauv kev vuam lub cev tsheb ntawm cov khoom siv tib yam, los ntawm kev ua kom zoo dua cov txheej txheem ntawm laser tob-fusion vuam, nws muaj peev xwm tau txais qhov vuam nrog qhov zoo ntawm qhov chaw, tsawg dua qhov tsis zoo sab hauv thiab cov khoom siv zoo heev. Cov khoom siv zoo heev ntawm qhov vuam tuaj yeem ua tau raws li qhov xav tau ntawm kev siv ntawm cov khoom siv vuam lub cev tsheb. Txawm li cas los xij, hauv kev vuam lub cev tsheb, txhuas hlau-hlau ua tus sawv cev ntawm cov hlau heterogeneous laser tob fusion vuam txheej txheem tsis tau laus, txawm hais tias los ntawm kev ntxiv ib txheej hloov pauv tuaj yeem tau txais kev ua tau zoo ntawm qhov vuam, tab sis cov khoom siv txheej hloov pauv sib txawv ntawm IMC txheej cuam tshuam rau lub tshuab thiab nws cov nyhuv rau cov qauv me me ntawm lub tshuab vuam tsis meej, xav tau kev kawm ntxiv tob.
Lub Cev Tsheb Laser Hlau Filling Vuam Txheej Txheem
Cov txheej txheem vuam laser filler yog raws li cov hauv paus ntsiab lus hauv qab no: Ib qho sib koom ua ke yog tsim los ntawm kev ua ntej sau cov vuam nrog ib txoj hlau tshwj xeeb lossis los ntawm kev pub cov hlau tib lub sijhawm thaum lub sijhawm vuam laser. Qhov no yog sib npaug rau kev pub cov khoom siv hlau sib npaug rau hauv lub pas dej vuam thaum lub sijhawm vuam laser sib sib zog nqus. Daim duab hauv qab no qhia txog cov txheej txheem vuam laser filler.
Piv nrog rau laser deep fusion welding, laser filler welding muaj ob qhov zoo hauv kev vuam lub cev tsheb: thawj zaug, nws tuaj yeem txhim kho qhov kev kam rau siab ntawm qhov sib dhos ntawm cov khoom siv lub cev tsheb kom tau welded thiab daws qhov teeb meem ntawm qhov siab bevel gap xav tau rau laser deep fusion welding; qhov thib ob, nws tuaj yeem txhim kho cov ntaub so ntswg faib hauv thaj chaw vuam los ntawm kev siv cov xov hlau nrog cov ntsiab lus sib txawv, thiab tom qab ntawd tswj kev ua haujlwm vuam.
Hauv cov txheej txheem tsim lub cev tsheb, cov txheej txheem laser filler welding feem ntau yog siv los vuam cov khoom siv aluminium alloy thiab hlau ntawm lub cev. Tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem vuam ntawm cov khoom siv aluminium alloy ntawm lub cev tsheb, qhov nro ntawm cov pas dej molten yog me me, uas tuaj yeem ua rau lub pas dej molten tawg, thaum cov txheej txheem laser filler welding tuaj yeem daws qhov teeb meem ntawm lub pas dej molten tawg los ntawm kev yaj ntawm cov hlau hauv cov txheej txheem laser welding.
Cov txheej txheem laser brazing ntawm lub cev tsheb
Cov txheej txheem laser brazing yog raws li cov hauv paus ntsiab lus hauv qab no: Siv lub laser ua qhov chaw cua sov, lub teeb laser raug tsom thiab irradiated rau ntawm qhov chaw ntawm cov hlau, cov hlau yaj, cov hlau yaj ntws thiab puv cov khoom ua haujlwm kom tau welded, thiab cov teebmeem metallurgical xws li yaj thiab diffusion tshwm sim ntawm cov khoom siv brazing thiab cov khoom ua haujlwm, yog li koom nrog cov khoom ua haujlwm. Tsis zoo li cov txheej txheem laser filler welding, cov txheej txheem laser brazing tsuas yog yaj cov hlau thiab tsis yog cov khoom ua haujlwm kom tau welded. Laser brazing muaj kev ruaj khov vuam zoo, tab sis lub zog tensile ntawm qhov vuam tshwm sim yog qis. Daim duab 3 qhia txog kev siv cov txheej txheem laser brazing hauv cov khoom siv hauv tsheb.
Hauv cov txheej txheem ntawm kev vuam lub cev tsheb, cov txheej txheem laser brazing feem ntau yog siv los vuam cov khoom ntawm lub cev uas tsis xav tau lub zog sib koom ua ke siab, xws li kev vuam ntawm lub hau sab saud thiab sab ib puag ncig, kev vuam ntawm sab saud thiab qis ntawm lub hau ntim khoom, thiab lwm yam. Lub hau sab saud ntawm VW, Audi thiab lwm yam qauv nruab nrab thiab qib siab yog siv cov txheej txheem laser brazing.
Cov qhov tsis zoo tseem ceeb hauv cov pob qij txha laser brazed ntawm lub cev tsheb suav nrog ntug gnawing, porosity, weld deformation, thiab lwm yam, thiab cov qhov tsis zoo tuaj yeem raug txo qis los ntawm kev tswj cov txheej txheem thiab siv ntau lub tsom laser brazing txheej txheem.
Cov txheej txheem vuam laser-arc composite ntawm lub cev tsheb
Lub hauv paus ntsiab lus ntawm cov txheej txheem vuam laser-arc yog raws li nram no: ob qhov chaw cua sov, laser thiab arc, siv los ua haujlwm tib lub sijhawm ntawm qhov chaw ua haujlwm uas yuav tsum tau vuam, thiab cov khoom ua haujlwm raug yaj thiab khov kho los ua ib qho vuam seam. Daim duab hauv qab no qhia txog cov txheej txheem vuam laser-arc.
Kev vuam laser-arc sib xyaw ua ke cov txiaj ntsig ntawm kev vuam laser thiab kev vuam arc: thawj zaug, nyob rau hauv qhov kev ua ntawm ob qhov chaw kub, qhov ceev vuam tuaj yeem nce ntxiv, qhov nkag cua sov ua rau me dua, qhov kev hloov pauv weld me me, tswj cov yam ntxwv ntawm kev vuam laser; qhov thib ob, muaj peev xwm txuas zoo dua, kev sib dhos sib txawv kam rau siab dua; qhov thib peb, qhov ceev ntawm lub pas dej molten ua qeeb dua, uas yog qhov zoo rau kev tshem tawm cov qhov hws, tawg thiab lwm yam kev vuam tsis zoo, txhim kho lub koom haum thiab kev ua tau zoo ntawm thaj chaw cuam tshuam los ntawm cua sov. Qhov thib plaub, vim yog arc, nws muaj peev xwm vuam cov ntaub ntawv nrog kev cuam tshuam siab thiab kev ua haujlwm thermal siab, nrog rau ntau yam ntaub ntawv siv.
Hauv cov txheej txheem tsim lub cev tsheb, cov txheej txheem laser - arc composite welding feem ntau yog vuam lub cev aluminium alloy Cheebtsam thiab aluminium alloy - hlau sib txawv hlau, rau qhov sib dhos ntawm qhov loj dua ntawm qhov vuam, xws li qhov rooj tsheb ntawm qhov chaw ntawm qhov vuam, qhov no yog vim qhov sib dhos sib dhos yog qhov zoo rau laser - arc composite welding bridging kev ua tau zoo. Tsis tas li ntawd, laser-MIG arc composite welding technology kuj siv rau qhov chaw ntawm lub ru tsev sab ntawm Audi lub cev.
Hauv cov txheej txheem vuam lub cev tsheb, laser-arc composite vuam muaj qhov zoo ntawm qhov sib txawv loj piv rau ib qho laser vuam, txawm li cas los xij, laser-arc composite vuam yuav tsum tau txiav txim siab txog qhov chaw sib piv ntawm laser thiab arc, laser vuam cov txheej txheem, arc tsis thiab lwm yam. Lub cua sov thiab huab hwm coj hloov pauv ntawm laser-arc vuam txheej txheem yog qhov nyuaj, tshwj xeeb tshaj yog kev tswj hwm lub zog ntawm cov khoom siv heterogeneous vuam thiab cov txheej txheem ntawm IMC tuab thiab cov ntaub so ntswg tswj tseem tsis meej thiab xav tau kev txhawb nqa ntxiv ntawm kev tshawb fawb.
Lwm cov txheej txheem vuam laser ntawm lub cev tsheb
Laser deep fusion welding, laser filler welding, laser brazing thiab laser-arc composite welding thiab lwm yam txheej txheem welding muaj kev xav paub ntau dua thiab ntau yam kev siv tau. Raws li kev lag luam tsheb xav tau kev ua haujlwm ntawm lub cev vuam nce ntxiv thiab qhov kev thov rau kev vuam ntawm cov khoom sib txawv hauv kev tsim khoom sib dua nce ntxiv, laser spot welding, laser oscillation welding, multi-laser beam welding thiab laser flight welding tau txais kev saib xyuas.
Cov txheej txheem vuam laser
Kev siv laser spot welding yog ib txoj kev siv laser welding technology uas muaj txiaj ntsig zoo heev rau kev vuam ceev thiab kev vuam raug. Lub hauv paus ntsiab lus ntawm laser spot welding yog tsom lub teeb laser rau ntawm ib qho ntawm qhov chaw uas yuav tsum tau welded, kom cov hlau ntawm qhov ntawd yaj tam sim ntawd, thiab los ntawm kev kho qhov ceev ntawm laser kom ua tiav thermal conduction welding lossis deep fusion welding effect, thaum lub teeb laser tsis ua haujlwm, cov hlau kua rov qab los, khov thiab ua ib qho sib koom ua ke.
Muaj ob hom kev vuam laser tseem ceeb: pulsed laser spot welding thiab continuous laser spot welding. Lub teeb laser hauv pulsed laser spot welding muaj lub zog siab tshaj plaws, tab sis lub sijhawm ua haujlwm luv luv, thiab feem ntau yog siv rau kev vuam cov hlau sib xws xws li magnesium alloys thiab aluminium alloys. Hauv kev vuam laser spot welding tas mus li, lub teeb laser muaj lub zog nruab nrab siab thiab lub sijhawm ua haujlwm laser ntev, thiab feem ntau yog siv rau kev vuam hlau.
Hauv kev vuam lub cev tsheb, piv nrog kev vuam qhov chaw tiv thaiv, laser qhov chaw vuam muaj qhov zoo ntawm kev tsis sib cuag thiab tus kheej tsim qhov chaw vuam trajectory, uas tuaj yeem ua tau raws li qhov xav tau rau kev vuam zoo hauv qab qhov sib txawv ntawm cov khoom siv lub cev tsheb.
Cov txheej txheem vuam laser oscillation
Laser oscillation welding yog ib txoj kev siv laser welding tshiab uas tau tsim tsa xyoo tas los no thiab tau txais kev saib xyuas dav dav. Lub hauv paus ntsiab lus ntawm cov thev naus laus zis no yog ua kom muaj kev co sai, zoo thiab me me ntawm lub teeb laser los ntawm kev koom ua ke daim iav oscillating rau hauv lub taub hau laser welding, yog li ua tiav cov txiaj ntsig ntawm kev co lub teeb thaum txav mus tom ntej thaum lub sijhawm laser welding.
Cov kev taw qhia tseem ceeb hauv cov txheej txheem vuam laser oscillation suav nrog: transverse oscillation, longitudinal oscillation, circular oscillation thiab infinite oscillation. Cov txheej txheem vuam laser oscillation muaj qhov zoo tseem ceeb hauv kev vuam lub cev tsheb, vim tias qhov xwm txheej ntws ntawm lub pas dej yaj tau hloov pauv ntau los ntawm kev oscillation ntawm lub teeb laser, yog li cov txheej txheem tuaj yeem tshem tawm cov qhov tsis zoo uas tsis tau sib xyaw, ua tiav cov noob zoo thiab txo qhov porosity hauv kev vuam ntawm tib lub cev tsheb cov khoom siv, thiab txhim kho cov teeb meem ntawm kev sib xyaw tsis txaus ntawm cov ntaub ntawv sib txawv thiab cov khoom siv tsis zoo ntawm cov xov hlau hauv kev vuam ntawm cov ntaub ntawv sib txawv ntawm lub cev tsheb.
Cov txheej txheem vuam ntau lub laser beam
Tam sim no, cov laser fiber tuaj yeem siv los faib ib lub teeb laser ua ntau lub teeb laser siv lub teeb faib module ntsia rau hauv lub taub hau vuam. Kev vuam ntau lub teeb laser yog sib npaug rau kev siv ntau qhov chaw kub hauv cov txheej txheem vuam. Los ntawm kev kho qhov faib hluav taws xob ntawm lub teeb, cov teeb sib txawv tuaj yeem ua tiav cov haujlwm sib txawv, xws li: lub teeb nrog lub zog ceev dua yog lub teeb tseem ceeb, lub luag haujlwm rau kev vuam sib sib zog nqus; lub teeb qis dua nrog lub zog ceev dua tuaj yeem ntxuav thiab ua kom sov cov khoom nto thiab ua kom cov khoom nqus tau lub zog ntawm lub teeb laser los ntawm cov khoom.
Cov txheej txheem vuam ntau lub laser beam tuaj yeem txhim kho tus cwj pwm evaporation ntawm zinc vapor thiab tus cwj pwm dynamic ntawm lub pas dej yaj thaum lub sijhawm vuam ntawm cov ntawv hlau galvanized, txhim kho qhov teeb meem spattering thiab txhim kho lub zog tensile ntawm weld seam.
Cov txheej txheem vuam laser dav hlau
Kev siv tshuab laser flight welding yog ib qho kev siv tshuab laser welding tshiab uas muaj kev ua haujlwm zoo thiab tsim qauv ntawm txoj kev vuam. Lub hauv paus ntsiab lus ntawm kev siv tshuab laser flight welding yog tias thaum lub teeb laser tshwm sim rau ntawm daim iav X thiab Y ntawm daim iav scanning, lub kaum sab xis ntawm daim iav raug tswj los ntawm kev tswj hwm tus kheej kom ua tiav qhov kev hloov pauv ntawm lub teeb laser ntawm txhua lub kaum sab xis.
Ib txwm muaj, kev siv laser vuam ntawm lub cev tsheb feem ntau vam khom lub tshuab vuam kom tsav lub taub hau laser vuam rau kev txav mus los sib xws kom ua tiav qhov vuam zoo. Txawm li cas los xij, qhov kev txav mus los rov qab ntawm lub tshuab vuam ua rau qhov ua tau zoo ntawm kev vuam lub cev tsheb txwv tsis pub dhau vim muaj ntau qhov vuam thiab qhov ntev ntawm cov vuam. Qhov sib piv, kev vuam dav hlau laser tuaj yeem ua tiav hauv qee qhov ntau los ntawm kev kho lub kaum sab xis ntawm lub reflector. Yog li ntawd, kev siv tshuab vuam dav hlau laser tuaj yeem txhim kho qhov ua tau zoo ntawm kev vuam thiab muaj kev cia siab dav.
Kev Txheeb Xyuas
Nrog rau kev txhim kho ntawm kev lag luam tsheb, yav tom ntej ntawm kev siv tshuab vuam lub cev yuav txuas ntxiv mus tsim kho hauv ob qho tib si kev vuam thiab thev naus laus zis ntse.
Lub cev tsheb, tshwj xeeb tshaj yog lub cev tsheb lub zog tshiab, tab tom tsim kho kom lub cev sib dua. Cov hlau sib xyaw ua ke, cov ntaub ntawv sib xyaw thiab cov ntaub ntawv sib txawv yuav raug siv dav dua hauv lub cev tsheb, cov txheej txheem vuam laser ib txwm nyuaj rau ua kom tau raws li nws cov kev xav tau vuam, yog li cov txheej txheem vuam zoo thiab ua haujlwm tau zoo yuav dhau los ua qhov sib txawv yav tom ntej.
Nyob rau xyoo tas los no, cov txheej txheem laser welding tshiab, xws li laser swing welding, multi-laser beam welding, laser flight welding, thiab lwm yam, tau ua qhov zoo ntawm kev vuam thiab kev vuam zoo ntawm kev tshawb fawb theoretical thiab kev tshawb nrhiav txheej txheem. Yav tom ntej yuav tsum yog cov txheej txheem laser welding tshiab thiab lub cev tsheb cov khoom siv sib dua, cov khoom siv sib txawv vuam thiab lwm yam xwm txheej sib xyaw ua ke, kev tsim qauv laser beam swing trajectory, ntau-laser beam zog ua haujlwm mechanism thiab kev txhim kho kev vuam zoo ntawm kev ya dav hlau thiab lwm yam ntawm kev tshawb fawb tob tob los tshawb nrhiav cov txheej txheem vuam lub cev tsheb laus.
Cov thev naus laus zis laser vuam lub cev tsheb tau sib xyaw ua ke nrog cov thev naus laus zis ntse, kev paub txog lub sijhawm tiag tiag ntawm lub cev tsheb laser vuam xwm txheej thiab kev tswj hwm cov txheej txheem rov qab muaj lub luag haujlwm txiav txim siab hauv kev vuam zoo. Cov thev naus laus zis laser vuam ntse tam sim no feem ntau siv rau kev npaj thiab taug qab ua ntej vuam thiab kev tshuaj xyuas zoo tom qab vuam. Kev tshawb fawb hauv tsev thiab txawv teb chaws hauv kev tshawb pom qhov tsis zoo ntawm vuam thiab kev hloov kho ntawm cov kev cai tseem nyob hauv nws qhov pib, thiab cov thev naus laus zis tswj hwm cov txheej txheem laser vuam tseem tsis tau siv rau hauv kev tsim lub cev tsheb.
Yog li ntawd, rau kev siv cov thev naus laus zis laser vuam hauv cov yam ntxwv ntawm lub cev tsheb vuam, yav tom ntej yuav tsum tau tsim nrog cov thev naus laus zis ntau lub sensor tseem ceeb laser vuam ntse sensing system thiab high-speed high-precision welding robot tswj system kom ntseeg tau tias cov thev naus laus zis laser vuam ntse hauv lub sijhawm tiag tiag thiab qhov tseeb ntawm txhua qhov txuas, los ntawm "kev npaj ua ntej-welding trajectory - vuam parameters adaptive control post-welding quality online Inspection" txuas, kom ntseeg tau tias muaj kev ua haujlwm zoo thiab ua haujlwm tau zoo.
Maven laser automation lub tuam txhab tsom mus rau kev lag luam laser rau 14 xyoo, peb tshwj xeeb hauv kev vuam laser, peb muaj robotic caj npab laser vuam tshuab, Rooj Tsis Siv Neeg Laser Vuam Tshuab, Handheld Laser vuam tshuab, ntxiv rau, peb kuj muaj laser vuam tshuab, laser txiav tshuab thiab laser cim engraving tshuab, peb muaj ntau laser vuam daws teeb meem rooj plaub, yog tias koj xav tau koj tuaj yeem tiv tauj peb txhua lub sijhawm.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-09-2022
