Ib txoj kev sib tw ua kom zoo dua, uas feem ntau yog siv los txhim kho cov kev sib dhos ntawm cov txheej txheem vuam, thiab txhim kho cov ntaub ntawv zoo nkauj. Nws yog qhov tshwj xeeb tshaj yog tsim nyog rau vuam nyias daim hlau, alloys alloys thiab lwm yam ntaub ntawv.
Lub dual-Nqaj Vuam txoj kev yog npaj siab los txhim kho cov kev sib dhos ntawm cov txheej txheem vuam, thiab txhim kho welds zoo. Nws yog qhov tshwj xeeb tshaj yog tsim nyog rau vuam nyias daim hlau thiab aluminium alloys. Dual-Nqaj Laser vuam tsis tsuas yog siv cov txheej txheem kho qhov muag rau hauv ob hom laser rau vuam, tab sis kuj tseem siv ob hom kev sib tw sib xyaw ua ke. Co2 lasers, ND: YAG lasers, High-power sliconductor lasers, thiab lwm yam tuaj yeem ua ke nrog txhua lwm yam. Los ntawm hloov lub zog ntawm cov nqaj, qhov deb ntawm cov nqaj hlau, yog qhov hloov cov roj av, yog qhov hloov tau yooj yim thiab hloov kho cov roj av yooj yim, uas yog unmatched los ntawm ib-nqaj laser vuam. Nws tsis tsuas yog muaj qhov zoo ntawm cov txiaj ntsig Laser vuam, thiab muaj zog, tab sis kuj tseem muaj qhov nyuaj rau Weld nrog cov pa laser vuam vuam.
1. Lub ntsiab cai ntawm Dual-Nqaj Laser Vuam
Dual-Nqaj Willing hais txog kev siv ntawm ob Laser Beams ib txhij thaum lub sij hawm vuam. Beam npaj, nqaj tsim tawm los ntawm ob kab teeb, lub zog ntsuas, thiab lub zog hluav taws xob ntawm ob lub teeb pom kev hauv dual-nqaj laser vuam. Feem ntau, thaum lub sij hawm ua vuam, feem ntau muaj ob txoj hauv kev los npaj cov nqaj hlau. Raws li pom hauv daim duab, ib qho yog los npaj lawv hauv cov koob raws txoj kev vuam kev taw qhia. Txoj kev npaj no tuaj yeem txo tus feem pua txias ntawm cov pas dej molten, txo qhov kev ua kom tawv nqaij tawv ntawm weld thiab tiam ntawm pores. Lwm tus yog los npaj cov nqaj ntawm sab los yog hla ntawm ob sab ntawm Weld kom nce cov kev yoog raws li kev hloov kho weld.
Rau lub dual-nqaj laser vuam system taw qhia hauv series, muaj peb lub tshuab vuam sib txawv raws li kev sib tw ntawm ob kab.
1)Hauv thawj vuam mechanism, qhov sib nrug ntawm ob kab teeb yog loj, ib qho nqaj muaj lub zog ua haujlwm ntau dua, tsim me me hauv lub sijhawm vuam; Lwm qhov nqaj muaj qhov qis dua qhov ceev thiab tsuas yog siv los ua cov cua sov rau kev kho cua sov lossis tig rov qab los ntawm kev kho cua sov. Cov cuab yeej siv vuam no tso cai rau cov khoom siv cua txias ntawm cov vuam hlau thiab cov hlau sib tsoo xws li cov hlau tawg xws li cov hlau nplaum xws li hlau, thiab tseem tuaj yeem txhim kho kev muaj zog ntawm Weld.
2)Hauv lub vuam ob vuam me nyuam, qhov kev ncua deb ntawm ob laser foci yog me me. Ob txoj kab laser no ua ob lub qhov ywj pheej me me hauv ib lub pas dej ib leeg molten, yog li hloov cov ntws los ntawm cov hlau molten. Qhov no pab kom tiv thaiv tsis meej xws li undercut thiab weld protrusion thiab txhim kho weld tsim.
3) Nyob rau hauv lub thib peb make mechanism, qhov kev ncua deb ntawm ob Laser Beams yog qhov tsawg heev, thiab ob lub laser Beams ua cov keyhole hauv cov pas dej sib txuas. Piv nrog ib-nqaj laser vuam, no cov keyle loj dua thiab tsis yooj yim kaw, ua rau cov av vuam ruaj khov thiab yooj yim dua rau kev tawm roj av. Qhov no yog ua kom muaj txiaj ntsig los txo cov hws thiab nti, thiab tau txais txuas ntxiv mus, hnav tsoos tsho zoo nkauj thiab zoo nkauj thiab zoo nkauj Wels.
Thaum lub sij hawm vuam txheej txheem, ob txoj kab teeb laser kuj tseem tuaj yeem teeb tsa ntawm ib qho kev sib tw, thiab nws cov kev sib tw vuam zoo ib yam li ob tog-nqaj vuam hlau. Cov txiaj ntsig kev sim siab tau qhia tau tias los ntawm kev sib txuas ob lub zog high-raser nqaij ntawm 30 Degree thiab ib qho chaw nyob ntawm 1 ~ 2 hli, lub funnel-puab key yuav tau txais. Cov keyhole loj dua thiab muaj zog ruaj khov, uas tuaj yeem txhim kho cov vuam vuam zoo. Hauv kev siv cov kev siv, kev sib xyaw sib txawv ntawm ob laser ci tuaj yeem hloov kho raws li kev sib tw vuam sib txawv kom ua tiav cov txheej txheem vuam sib txawv.
2. Siv txoj kev ntawm Dual-Nqaj Laser Vuam
Dual-nqaj tawm tuaj yeem ua tiav los ntawm kev sib txuas ob txoj kab sib txawv laser lossis kev siv lub ntsej muag kho qhov muag ua ke rau ob kab npoo hlau rau vuam. Txhawm rau faib cov nqaj laser rau ob kab teeb ntawm cov sib txawv, ib qho sib txawv laser, lub nqaj sib cais lossis qee qhov tshwj xeeb kho tshiab siv tau. Daim duab qhia ob lub npoo splitting cov qauv siv lub tsom iav ua ib rab hneev splitter.
Ib qho ntxiv, ib qho kev cuam tshuam tuaj yeem siv los ua cov nqaj splitter, thiab tus neeg pom kawg nyob hauv txoj kev kho kho kom zoo yog siv los ua lub nqaj splitter. Lub reachor no tseem hu ua Ridge Refleor. Nws yog kev xav txog qhov chaw nyob tsis yog ib lub dav hlau, tab sis yog tsim ntawm ob lub dav hlau. Qhov kev sib tshuam ntawm ob qhov chaw nce los yog nyob hauv nruab nrab ntawm daim iav saum npoo, uas zoo li txoj kab caj qaum, raws li qhia hauv daim duab. Ib qho kev sib tw sib txuas yog npaj rau ntawm cov nqaj sib faib, cuam tshuam los ntawm ob lub dav hlau, thiab tsom mus nrhiav ob kab teeb nrog ib qho deb ntawm cov chaw ua haujlwm. Los ntawm kev hloov lub kaum sab xis ntawm ob qhov chaw zoo thiab txoj haujlwm ntawm Ridge kab, phwj ntshis nrog cov kab ke ntev thiab kev npaj tau tuaj yeem tau txais.
Thaum ob hom kab teeb laser yog siv los ua cov nqaj dual, muaj ntau cov kev sib txuas ua ke. Ib lub zoo-ua kom zoo co2 laser nrog Gaussian lub zog faib khoom tuaj yeem siv rau lub ntsiab vuam ua haujlwm, ntxiv los ntawm ib lub zog vuam ua haujlwm rau kev kho hluav taws xob rau kev kho cua sov. Qhov kev sib xyaw ua ke no yog kev lag luam ntawm ib sab tes, thiab lub zog ntawm ob laser teeb tuaj yeem hloov kho ntawm tus kheej. Rau cov ntawv sib koom sib txawv, cov chaw kho tau yooj yim tuaj yeem tau los ntawm kev kho txoj haujlwm ntawm laser thiab cov semiconductor laser, uas haum rau vuam tswj. Ib qho ntxiv, YAG lasers thiab Co2 lasers tuaj yeem ua ke rau hauv cov nqaj hlau rau vuam, thiab cov nqaj txuas ntxiv tuaj yeem ua ke nrog cov nqaj defocused rau vuam.
3. Lub ntsiab cai ntawm Dual-Nqaj Laser Vuam
3.1 dual-nqaj laser vuam ntawm galvanized ntawv
Galvanized steel ntawv yog cov siv cov khoom siv feem ntau siv nyob rau hauv kev lag luam automotive. Lub ntsiab lus melting ntawm cov hlau yog nyob ib ncig ntawm 1500 degree, thaum lub qhov cub kub ntawm zinc tsuas yog 906 degree. Yog li ntawd, thaum lub vuam txoj kev yog saws, muaj ntau ntau ntawm zinc vapor feem ntau yog tsim, ua rau muaj kev tsis ruaj khov vuam cov txheej txheem thiab kev tsim cov hws hauv Weld. Rau ncej puab pob qij txha, volatilization ntawm galvanized txheej tshwm sim tsis tsuas yog nyob rau sab saud thiab qis dua, tab sis kuj ntawm kev sib koom ua ke. Thaum lub sij hawm ua vuam, Zinc Vapor sai sai ua rau tawm ntawm Molten pas dej saum npoo av hauv qee thaj chaw, ua rau muaj kev tsis txaus ntseeg vuam zoo.
Dual-Nqaj Laser Vuam tuaj yeem daws tau qhov teeb meem vuam ua kom tshwm sim los ntawm Zinc Vapor. Ib txoj kev yog los tswj lub sijhawm nyob hauv lub sijhawm thiab tus pas dej txias los ntawm kev tsim nyog ntawm ob lub zog ntawm ob lub laser Beams, uas yog qhov zoo rau kev khiav tawm ntawm Zinc Vapor; Lwm txoj hauv kev yog tso cai zinc vapor kom khiav dim los ntawm kev ua ntej drilling lossis grooving. Raws li muaj nyob hauv daim duab hauv qab no, ib co2 laser yog siv rau vuam, thiab lub laver nyob rau sab pem hauv ntej ntawm co2 laser yog siv rau drilling lossis growing. Lub ntsej muag ua ntej los yog grooves muab ib qho chancle channel rau zinc vapor generated los ntawm tom qab vuam, tiv thaiv nws los ntawm kev khaws cia hauv lub pas dej molten thiab ua cov tsis xws luag.
3.2 Dual-Nqaj Laser Vuam ntawm Txhuas Alloy
Vim yog cov khoom tshwj xeeb ntawm cov ntaub ntawv aluminium, laser vuam muaj cov teeb meem hauv qab no: Aluminoy Alloy muaj qhov kev cuam tshuam qis ntawm CO2 laser Beam nto ntau dua li 90%; Aluminium Alloy Laser Welds yog tus mus rau hws thiab tawg thaum lub sij hawm vuam; Thiab muaj ib qho uas tsis muaj alloying thaum lub sij hawm vuam. Thaum ib leeg-nqaj Laser Vuam siv, cov ntsiab lus yog qhov nyuaj rau kev tsim thiab nyuaj rau kev tswj kom ruaj khov. Thaum dual-Nqaj Laser vuam yog siv, cov yuam sij loj tuaj yeem nce kom nws nyuaj rau kaw, uas yog qhov zoo rau cov roj tawm roj tawm. Nyob rau tib lub sijhawm, tus nqi cua txias tuaj yeem txo kom txo qis tiam ntawm pores thiab vuam cracks. Vim tias cov txheej txheem vuam ruaj khov dua thiab qhov ntau ntawm lub ntsej muag tau txo qis, ntawm weld nplaim alloy kuj tseem ua tau zoo dua li ntawm ib qho nqaj. Daim duab hauv qab no qhia cov morphology ntawm 3mm tuab txhuas alloy pob txha pob qij txha los ntawm ib-nqaj co2 laser nqaj thiab dual-nqaj Laser Beob.
Cov kev tshawb fawb pom tau tias thaum vuam 2mm tuab 5 {} {{{0} {} {5}} {} Yog tias qhov sib nrug ntawm ob kab teeb me me, cov txheej txheem vuam zoo ib yam li ib-nqaj vuam thiab tsis yooj yim rau qhov ruaj khov; Yog tias qhov sib nrug loj dhau, nws yuav cuam tshuam rau kev nkag mus rau vuam, raws li qhia hauv daim duab hauv qab no. Tsis tas li ntawd, lub zog piv ntawm ob kab teeb tseem muaj qhov cuam tshuam tseem ceeb rau kev vuam zoo. Thaum ob kab teeb yog welded hauv koob nrog ib qho kev sib nrug ntawm 0.9mm, nws muaj txiaj ntsig zoo tshaj plaws ntawm ob lub zog dhau los yog li lub zog loj dua 1: 1, uas yuav pab txhim kho qhov zoo tshaj plaws ntawm weld thiab nce lub zog melting. Txawm tias ntawm qhov chaw vuam ntau dua, txoj kev nyab kom du thiab zoo nkauj thiab zoo nkauj.
3.3 Dual-Nqaj Vuam ntawm Unequal Thickness Plates
Hauv kev lag luam ntau lawm, feem ntau nws yuav tsum muaj rau weld ob lossis ntau cov hlau hlau ntawm cov thickness thickness thiab cov duab ua ke los ua cov phaj sib txig. Tshwj xeeb tshaj yog nyob rau hauv cov tsheb tsim, daim ntawv thov ntawm cov paib spemed tau dhau los ua ntau dua thiab muaj ntau yam ntxiv.
Los ntawm vuam daim hlau ntawm cov sib txawv, cov xim txheej txheem lossis cov khoom ua ke, muaj zog tuaj yeem hloov kho, kev siv zog tuaj yeem raug txo kom tsawg, thiab qhov hnyav tuaj yeem txo. Nyob rau hauv lub vuam ntawm spriced daim hlau, laser vuam ntawm daim hlau ntawm cov tuab tuab feem ntau yog siv. Qhov teeb meem tseem ceeb yog tias qhov kev ua haujlwm tau welded xav tau ua ntej ua ntej nrog kev ua kom siab qhov tseeb thiab xyuas kom muaj kev sib dhos siab. Rau cov phiaj xwm ntawm qhov tsis sib xws thickness, dual-nqaj vuam tuaj yeem hloov kho cov phiaj xwm, thiab tuaj yeem txhim kho vuam ceev thiab weld zoo.
Cov txheej txheem tseem ceeb ntawm dual-nqaj vuam ntawm daim hlau ntawm qhov tsis sib xws thickness tuaj yeem faib ua vuam tsis thiab cov phaj phaj, raws li qhia hauv daim duab. Vuam qhov tsis muaj xws li lub zog ntawm ob lub laser ci, nqaj kev sib hloov, nqaj lub taub hau ntawm lub pob tw sib koom ua ke, thiab vuam sib txawv. Phaj tsis muaj xws li cov khoom loj, ua tau zoo, ntug kev txiav thiab phaj sib txawv. Lub zog ntawm ob Laser Beams tuaj yeem hloov kho cais raws li cov vuam sib txawv.
Feem ntau, thaum lub hom phiaj yog nyob rau saum npoo ntawm daim nyias nyias, cov txheej txheem vuam yog ruaj khov thiab siv tau. Lub vuam lub taub hau kaum sab xis yog feem ntau xaiv nyob rau ntawm 6 qib. Yog tias cov tuab tuab ntawm ob daim hlau loj, qhov zoo vuam lub taub hau tuaj yeem siv, uas yog, lub laser yog qaij rau cov phaj nyias raws li qhia hauv daim duab. Thaum lub phaj tuab yog me me, ib lub taub hau tsis zoo rau lub taub hau tuaj yeem siv. Lub vuam sib cav txhais tau txhais tias qhov kev ncua deb ntawm lub laser tsom thiab ntawm ntug ntawm daim tuab tuab. Los ntawm kev kho cov vuam sib txawv, ntawm Weld Contality tuaj yeem txo kom tau txais ib ntu weld zoo.
Thaum vuam daim hlau nrog loj loj, kev ua tau zoo nqaj hluav taws tuaj yeem nce ntxiv los ntawm kev ua kom tau zoo sib txawv sau tau lub peev xwm. Qhov dav ntawm cov saum Weld yog txiav txim siab los ntawm cov nqaj zoo uas muaj ob lub laser ci, uas yog, los ntawm cov nqaj sib hloov kaum sab xis. Qhov loj dua kev sib hloov lub kaum ntse ntse, tus dav dualig cua sov ntau yam thiab dav dav rau sab saum toj ntawm WELD. Ob lub luag haujlwm ua si sib txawv hauv cov txheej txheem vuam, thiab lwm qhov nqaj yog siv los txhaws cov khoom tuab tuab rau sau qhov sib txawv. Raws li muaj nyob hauv daim duab hauv qab no, hauv qab cov nqaj zoo sib hloov kaum sab xis ntawm cov khoom siv tuab thiab cov khoom siv ua kom sov thiab cov nqaj tom qab ua rau nkag mus. Thawj Laser Beam ntawm xub ntiag tuaj yeem tsuas yog melt lub phaj tuab kom nws tsis yog yooj yim rau kev sib koom tes, yog li nce lub vuam ceev. Nyob rau hauv dual-nqaj vuam uas muaj lub kaum sab xis tsis zoo rau ntawm Weld thiab cov nqaj tom qab ntawm daim ntaub tuab), ob lub laser Beams ua rau muaj kev sib txawv. Nta lub pas dej nkag mus sib koom ua ke, thiab lub nqaj dub yaj lub phaj tuab thiab ua kom sib txawv.
Nyob rau lub sijhawm no, pem hauv ntej nqaj laser yuav tsum nkag mus rau lub phaj txias, thiab vuam ceev yog qis dua li ntawm cov nqaj zoo sib hloov kaum sab xis. Nyob rau tib lub sijhawm, vim yog cov nyhuv preheating ntawm cov nqaj laser, lub nraub qaum leas yuav yaj ntau cov ntaub ntawv tuab tuab yuav yaj cov ntaub ntawv tuab. Nyob rau lub sijhawm no, lub zog ntawm lub rooj zaum ob laser yuav tsum raug txo kom zoo. Hauv kev sib piv, qhov kev sib hloov nqaj kev sib hloov yuav ua rau lub ntsej muag nrawm nrawm, thaum lub sijhawm tsis zoo lub kaum ntse ntse sau cov nyhuv filling. Daim duab hauv qab no qhia cov nyhuv ntawm cov nqaj sib sib hloov zeb rau ntawm weld hla kev.
3.4 Dual-Nqaj Laser Vuam Ntawm Cov Hlau Tuab
Nrog kev txhim kho ntawm laser fais fab theem thiab nqaj zoo, tuab lub phaj laser vuam tau dhau los ua qhov tseeb. Txawm li cas los xij, vim tus nqi siab ntawm cov high-hwj chim xav tau rau cov hlau tshuab sau rau hauv tuab vuam, nws yog qhov yuav muaj cov kev txwv hauv kev tsim khoom hauv kev tsim tiag. Kev siv ntawm Dual-Beam Laser Vuam Technology tsis tsuas yog txhim kho cov xua hlau, tab sis kuj txhim kho vuam ruaj, thiab yog li txhim kho vuam zoo.
