Txoj kev vuam ob-beam yog qhov tau npaj tseg, feem ntau yog los daws qhov kev hloov pauv ntawmlaser vuamrau kev sib dhos kom raug, txhim kho qhov ruaj khov ntawm cov txheej txheem vuam, thiab txhim kho qhov zoo ntawm qhov vuam, tshwj xeeb tshaj yog rau cov phaj nyias vuam thiab cov hlau txhuas vuam. Ob-beam laser vuam tuaj yeem siv cov txheej txheem optical los cais tib lub laser ua ob lub teeb sib cais rau kev vuam. Nws kuj tseem tuaj yeem siv ob hom lasers sib txawv los ua ke, CO2 laser, Nd: YAG laser thiab high-power semiconductor laser. tuaj yeem ua ke. Los ntawm kev hloov pauv lub zog ntawm lub teeb, qhov sib nrug ntawm lub teeb, thiab txawm tias cov qauv faib hluav taws xob ntawm ob lub teeb, qhov kub ntawm qhov vuam tuaj yeem hloov kho tau yooj yim thiab yooj yim, hloov pauv qhov muaj nyob ntawm cov qhov thiab cov qauv ntws ntawm cov hlau kua hauv lub pas dej molten, muab cov kev daws teeb meem zoo dua rau cov txheej txheem vuam. Qhov chaw dav dav ntawm kev xaiv tsis sib xws los ntawm ib-beam laser vuam. Nws tsis tsuas yog muaj qhov zoo ntawm kev nkag mus rau hauv laser vuam loj, ceev ceev thiab qhov tseeb siab, tab sis kuj muaj kev hloov pauv zoo rau cov ntaub ntawv thiab cov pob qij txha uas nyuaj rau vuam nrog cov laser vuam ib txwm muaj.
Lub hauv paus ntsiab lus ntawmob chav beam laser welding
Kev vuam ob lub teeb txhais tau tias siv ob lub teeb laser tib lub sijhawm thaum lub sijhawm vuam. Kev teeb tsa lub teeb, qhov sib nrug ntawm lub teeb, lub kaum sab xis ntawm ob lub teeb, qhov chaw tsom mus rau qhov chaw thiab qhov sib piv ntawm lub zog ntawm ob lub teeb yog txhua qhov chaw tseem ceeb hauv kev vuam ob lub teeb laser. Feem ntau, thaum lub sijhawm vuam, feem ntau muaj ob txoj hauv kev los teeb tsa lub teeb ob lub teeb. Raws li pom hauv daim duab, ib qho tau teeb tsa ua ntu zus raws li kev taw qhia vuam. Kev teeb tsa no tuaj yeem txo qhov nrawm ntawm lub pas dej yaj. Txo qhov kev nyiam ua kom tawv ntawm qhov vuam thiab kev tsim cov qhov hws. Qhov thib ob yog teeb tsa lawv ib sab lossis hla ob sab ntawm qhov vuam kom txhim kho kev hloov pauv mus rau qhov sib txawv ntawm qhov vuam.
Txoj cai vuam ob chav beam laser
Kev vuam ob lub teeb txhais tau tias siv ob lub teeb laser tib lub sijhawm thaum lub sijhawm vuam. Kev teeb tsa lub teeb, qhov sib nrug ntawm lub teeb, lub kaum sab xis ntawm ob lub teeb, qhov chaw tsom mus rau qhov chaw thiab qhov sib piv ntawm lub zog ntawm ob lub teeb yog txhua qhov chaw tseem ceeb hauv kev vuam ob lub teeb laser. Feem ntau, thaum lub sijhawm vuam, feem ntau muaj ob txoj hauv kev los teeb tsa lub teeb ob lub teeb. Raws li pom hauv daim duab, ib qho tau teeb tsa ua ntu zus raws li kev taw qhia vuam. Kev teeb tsa no tuaj yeem txo qhov nrawm ntawm lub pas dej yaj. Txo qhov kev nyiam ua kom tawv ntawm qhov vuam thiab kev tsim cov qhov hws. Qhov thib ob yog teeb tsa lawv ib sab lossis hla ob sab ntawm qhov vuam kom txhim kho kev hloov pauv mus rau qhov sib txawv ntawm qhov vuam.
Rau lub tshuab vuam laser dual-beam uas tau teeb tsa ua tandem, muaj peb lub tshuab vuam sib txawv nyob ntawm qhov deb ntawm cov beam pem hauv ntej thiab nram qab, raws li pom hauv daim duab hauv qab no.
1. Hauv thawj hom kev vuam, qhov deb ntawm ob lub teeb ci loj heev. Ib lub teeb ci muaj zog ntau dua thiab tsom mus rau saum npoo ntawm qhov chaw ua haujlwm los tsim cov qhov tseem ceeb hauv kev vuam; lwm lub teeb ci muaj zog me dua. Tsuas yog siv ua qhov chaw cua sov rau kev kho cua sov ua ntej vuam lossis tom qab vuam. Siv cov txheej txheem vuam no, qhov txias ntawm lub pas dej vuam tuaj yeem tswj tau hauv qee qhov ntau, uas yog qhov zoo rau kev vuam qee cov ntaub ntawv uas muaj kev cuam tshuam siab, xws li cov hlau carbon siab, cov hlau alloy, thiab lwm yam, thiab tseem tuaj yeem txhim kho qhov tawv ntawm kev vuam.
2. Hauv hom thib ob ntawm lub tshuab vuam, qhov kev ncua deb ntawm ob lub teeb ci yog qhov me me. Ob lub teeb ci tsim ob lub qhov tseem ceeb ywj pheej hauv lub pas dej vuam, uas hloov cov qauv ntws ntawm cov hlau kua thiab pab tiv thaiv kev ntes. Nws tuaj yeem tshem tawm qhov tshwm sim ntawm qhov tsis zoo xws li ntug thiab cov hlaws dai vuam thiab txhim kho qhov tsim ntawm vuam.
3. Hauv hom thib peb ntawm lub tshuab vuam, qhov deb ntawm ob lub teeb ci me heev. Lub sijhawm no, ob lub teeb ci tsim tib lub qhov tseem ceeb hauv lub pas dej vuam. Piv nrog rau ib lub laser vuam, vim tias qhov loj ntawm lub qhov tseem ceeb loj dua thiab tsis yooj yim kaw, cov txheej txheem vuam ruaj khov dua thiab cov roj yooj yim dua rau kev tso tawm, uas yog qhov zoo rau kev txo cov qhov hws thiab cov spatter, thiab tau txais cov vuam txuas ntxiv, sib xws thiab zoo nkauj.
Thaum lub sijhawm vuam, ob lub teeb laser kuj tseem tuaj yeem ua rau ntawm lub kaum sab xis rau ib leeg. Lub tshuab vuam zoo ib yam li lub tshuab vuam ob lub teeb sib luag. Cov txiaj ntsig ntawm kev sim qhia tau tias los ntawm kev siv ob lub zog siab OOs nrog lub kaum sab xis ntawm 30 ° rau ib leeg thiab qhov deb ntawm 1 ~ 2 hli, lub teeb laser tuaj yeem tau txais lub qhov tseem ceeb zoo li lub raj mis. Qhov loj ntawm lub qhov tseem ceeb loj dua thiab ruaj khov dua, uas tuaj yeem txhim kho qhov zoo ntawm vuam. Hauv kev siv ua haujlwm, kev sib xyaw ua ke ntawm ob lub teeb ci tuaj yeem hloov pauv raws li cov xwm txheej vuam sib txawv kom ua tiav cov txheej txheem vuam sib txawv.
6. Txoj kev siv ob-beam laser vuam
Qhov kev tau txais ob lub teeb tuaj yeem tau los ntawm kev sib txuas ob lub teeb laser sib txawv, lossis ib lub teeb laser tuaj yeem faib ua ob lub teeb laser rau kev vuam siv lub tshuab spectrometry optical. Txhawm rau faib lub teeb ua ob lub teeb laser sib luag ntawm lub zog sib txawv, lub spectroscope lossis qee lub tshuab optical tshwj xeeb tuaj yeem siv. Daim duab qhia ob daim duab qhia txog cov ntsiab cai ntawm kev faib lub teeb siv cov iav tsom iav ua cov khoom faib lub teeb.
Tsis tas li ntawd xwb, lub reflector kuj siv tau ua lub beam splitter, thiab lub reflector kawg hauv txoj kev pom kev siv tau ua lub beam splitter. Hom reflector no kuj hu ua lub ru tsev reflector. Nws qhov chaw reflective tsis yog qhov chaw tiaj tiaj, tab sis muaj ob lub dav hlau. Txoj kab sib tshuam ntawm ob qhov chaw reflective nyob hauv nruab nrab ntawm daim iav nto, zoo ib yam li lub ru tsev, raws li pom hauv daim duab. Ib lub teeb ci ntsa iab rau ntawm lub spectroscope, raug cuam tshuam los ntawm ob lub dav hlau ntawm ntau lub kaum sib txawv los ua ob lub teeb ci, thiab ci rau ntawm ntau qhov chaw ntawm daim iav tsom. Tom qab tsom, ob lub teeb ci tau txais ntawm qhov deb ntawm qhov chaw ntawm qhov chaw ua haujlwm. Los ntawm kev hloov lub kaum ntawm ob qhov chaw reflective thiab qhov chaw ntawm lub ru tsev, cov teeb ci sib cais nrog qhov deb thiab kev npaj sib txawv tuaj yeem tau txais.
Thaum siv ob hom kev sib txawvcov teeb laser to tsim ib lub teeb ob chav, muaj ntau yam kev sib xyaw ua ke. Lub laser CO2 zoo nrog Gaussian lub zog faib tuaj yeem siv rau kev ua haujlwm vuam tseem ceeb, thiab lub laser semiconductor nrog lub zog faib plaub fab tuaj yeem siv los pab hauv kev kho cua sov. Ntawm ib sab tes, qhov kev sib xyaw ua ke no pheej yig dua. Ntawm qhov tod tes, lub zog ntawm ob lub teeb ci tuaj yeem hloov kho tau ywj pheej. Rau cov ntawv sib koom ua ke sib txawv, lub tshav kub hloov kho tau tuaj yeem tau txais los ntawm kev kho qhov chaw sib tshooj ntawm lub laser thiab lub laser semiconductor, uas yog qhov tsim nyog heev rau kev vuam. Kev tswj cov txheej txheem. Tsis tas li ntawd, YAG laser thiab CO2 laser kuj tseem tuaj yeem ua ke rau hauv ob lub teeb rau kev vuam, laser txuas ntxiv mus thiab pulse laser tuaj yeem ua ke rau kev vuam, thiab lub teeb tsom thiab lub teeb tsis tsom kuj tuaj yeem ua ke rau kev vuam.
7. Lub hauv paus ntsiab lus ntawm ob-beam laser vuam
3.1 Ob chav-beam laser vuam ntawm galvanized ntawv
Cov ntawv hlau galvanized yog cov khoom siv feem ntau siv hauv kev lag luam tsheb. Lub ntsiab lus yaj ntawm cov hlau yog nyob ib puag ncig 1500 ° C, thaum lub ntsiab lus kub ntawm zinc tsuas yog 906 ° C. Yog li ntawd, thaum siv txoj kev vuam fusion, ntau cov pa zinc feem ntau tsim, ua rau cov txheej txheem vuam tsis ruaj khov. , tsim cov qhov hauv qhov vuam. Rau cov pob qij txha, qhov volatilization ntawm cov txheej galvanized tsis tsuas yog tshwm sim ntawm qhov chaw sab saud thiab qis dua, tab sis kuj tshwm sim ntawm qhov chaw sib koom ua ke. Thaum lub sijhawm vuam, cov pa zinc sai sai tawm ntawm qhov chaw pas dej ua kua hauv qee qhov chaw, thaum nyob rau lwm qhov chaw nws nyuaj rau cov pa zinc kom dim ntawm qhov chaw pas dej ua kua. Ntawm qhov chaw ntawm pas dej ua kua, qhov zoo ntawm kev vuam tsis ruaj khov heev.
Kev siv laser vuam ob lub teeb tuaj yeem daws cov teeb meem zoo ntawm kev vuam uas tshwm sim los ntawm cov pa zinc. Ib txoj kev yog tswj lub sijhawm muaj thiab qhov txias ntawm lub pas dej molten los ntawm kev sib phim lub zog ntawm ob lub teeb kom yooj yim rau kev tawm ntawm cov pa zinc; lwm txoj kev yog Tso cov pa zinc los ntawm kev xuas lossis grooving ua ntej. Raws li pom hauv Daim Duab 6-31, CO2 laser siv rau kev vuam. Lub laser YAG nyob rau pem hauv ntej ntawm CO2 laser thiab siv los tho qhov lossis txiav cov grooves. Cov qhov lossis grooves uas tau ua tiav ua ntej muab txoj kev khiav tawm rau cov pa zinc tsim thaum lub sijhawm vuam tom qab, tiv thaiv nws kom tsis txhob nyob hauv lub pas dej molten thiab tsim cov qhov tsis zoo.
3.2 Ob chav-beam laser vuam ntawm txhuas alloy
Vim yog cov yam ntxwv tshwj xeeb ntawm cov khoom siv aluminium alloy, muaj cov teeb meem hauv qab no hauv kev siv laser vuam [39]: aluminium alloy muaj qhov nqus qis ntawm laser, thiab qhov pib cuam tshuam ntawm CO2 laser beam nto tshaj 90%; aluminium alloy laser vuam seams yooj yim los tsim Porosity, tawg; hlawv ntawm cov khoom alloy thaum vuam, thiab lwm yam. Thaum siv ib qho laser vuam, nws nyuaj rau tsim lub qhov tseem ceeb thiab tswj kev ruaj khov. Ob chav-beam laser vuam tuaj yeem ua rau qhov loj ntawm lub qhov tseem ceeb, ua rau nws nyuaj rau lub qhov tseem ceeb kaw, uas yog qhov zoo rau kev tso pa roj. Nws kuj tseem tuaj yeem txo qhov txias thiab txo qhov tshwm sim ntawm cov qhov thiab vuam tawg. Txij li thaum cov txheej txheem vuam ruaj khov dua thiab qhov ntau ntawm spatter raug txo qis, qhov chaw vuam duab tau los ntawm ob chav-beam vuam ntawm aluminium alloys kuj zoo dua li ntawm ib-beam vuam. Daim duab 6-32 qhia txog qhov tshwm sim ntawm 3 hli tuab aluminium alloy butt vuam siv CO2 ib-beam laser thiab ob-beam laser vuam.
Kev tshawb fawb qhia tau hais tias thaum vuam 2 hli tuab 5000 series txhuas alloy, thaum qhov deb ntawm ob lub beams yog 0.6 ~ 1.0 hli, cov txheej txheem vuam ruaj khov thiab qhov qhib qhov tseem ceeb tsim yog loj dua, uas yog qhov zoo rau kev evaporation thiab kev khiav tawm ntawm magnesium thaum lub sijhawm vuam. Yog tias qhov deb ntawm ob lub beams me dhau, cov txheej txheem vuam ntawm ib lub beam yuav tsis ruaj khov. Yog tias qhov deb loj dhau, qhov nkag mus vuam yuav raug cuam tshuam, raws li pom hauv Daim Duab 6-33. Tsis tas li ntawd, qhov sib piv zog ntawm ob lub beams kuj muaj kev cuam tshuam loj rau qhov zoo ntawm kev vuam. Thaum ob lub beams nrog qhov sib nrug ntawm 0.9 hli tau teeb tsa ua ke rau kev vuam, lub zog ntawm lub beam dhau los yuav tsum tau nce ntxiv kom haum rau qhov sib piv zog ntawm ob lub beams ua ntej thiab tom qab yog ntau dua 1: 1. Nws yog qhov pab tau los txhim kho qhov zoo ntawm kev vuam seam, nce thaj chaw yaj, thiab tseem tau txais kev vuam seam du thiab zoo nkauj thaum qhov ceev vuam siab.
3.3 Kev vuam ob lub beam ntawm cov phaj tuab tsis sib npaug
Hauv kev tsim khoom lag luam, feem ntau yuav tsum tau vuam ob lossis ntau daim hlau uas muaj ntau qhov tuab thiab duab sib txawv los ua ib daim hlau sib txuas. Tshwj xeeb tshaj yog hauv kev tsim tsheb, kev siv cov khoom siv vuam uas tau tsim tshwj xeeb tau dhau los ua ntau dua thiab ntau dua. Los ntawm kev vuam cov hlau nrog cov lus qhia sib txawv, cov txheej txheem saum npoo lossis cov khoom, lub zog tuaj yeem nce ntxiv, cov khoom siv txo qis, thiab qhov zoo txo qis. Kev vuam laser ntawm cov hlau ntawm ntau qhov tuab feem ntau yog siv rau hauv kev vuam vaj huam sib luag. Ib qho teeb meem loj yog tias cov hlau uas yuav tsum tau vuam yuav tsum tau ua tiav nrog cov npoo siab thiab xyuas kom meej tias muaj kev sib dhos siab. Kev siv ob-kab vuam ntawm cov hlau tuab tsis sib xws tuaj yeem hloov kho rau ntau qhov kev hloov pauv ntawm cov hlau sib txawv, cov pob qij txha, cov tuab sib piv thiab cov ntaub ntawv hlau. Nws tuaj yeem vuam cov hlau nrog cov ntug loj dua thiab qhov sib txawv thiab txhim kho qhov ceev vuam thiab qhov zoo ntawm vuam.
Cov txheej txheem tseem ceeb ntawm Shuangguangdong txoj kev vuam ntawm cov phaj tuab tsis sib npaug tuaj yeem muab faib ua cov txheej txheem vuam thiab cov txheej txheem phaj, raws li pom hauv daim duab. Cov txheej txheem vuam suav nrog lub zog ntawm ob lub teeb laser, qhov ceev vuam, qhov chaw tsom, lub kaum sab xis ntawm lub taub hau vuam, lub kaum sab xis ntawm lub nqaj hlau ob chav thiab qhov sib txuas vuam, thiab lwm yam. Cov txheej txheem ntawm lub rooj tsavxwm suav nrog qhov loj ntawm cov khoom siv, kev ua tau zoo, cov xwm txheej txiav, qhov sib txawv ntawm lub rooj tsavxwm, thiab lwm yam. Lub zog ntawm ob lub teeb laser tuaj yeem hloov kho nyias raws li lub hom phiaj vuam sib txawv. Qhov chaw tsom feem ntau nyob rau ntawm qhov chaw ntawm lub phaj nyias kom ua tiav cov txheej txheem vuam ruaj khov thiab ua haujlwm tau zoo. Lub kaum sab xis ntawm lub taub hau vuam feem ntau raug xaiv kom nyob ib puag ncig 6. Yog tias qhov tuab ntawm ob lub phaj loj heev, lub kaum sab xis ntawm lub taub hau vuam zoo tuaj yeem siv tau, uas yog, lub laser raug tig mus rau lub phaj nyias, raws li pom hauv daim duab; thaum lub phaj tuab me me, lub kaum sab xis ntawm lub taub hau vuam tsis zoo tuaj yeem siv tau. Qhov sib txuas vuam yog txhais tias yog qhov deb ntawm qhov tsom laser thiab ntug ntawm lub phaj tuab. Los ntawm kev kho qhov sib txuas vuam, qhov ntau ntawm qhov sib txuas vuam tuaj yeem txo qis thiab qhov sib tshuam vuam zoo tuaj yeem tau txais.
Thaum vuam cov phaj uas muaj qhov sib txawv loj, koj tuaj yeem ua kom lub zog cua sov ntawm lub teeb ci ntsa iab los ntawm kev tig lub kaum sab xis ntawm lub teeb ob chav kom tau txais qhov sib txawv zoo. Qhov dav ntawm sab saum toj ntawm qhov vuam yog txiav txim siab los ntawm qhov dav ntawm lub teeb ci ntsa iab ntawm ob lub teeb laser, uas yog, lub kaum sab xis ntawm lub teeb. Lub kaum sab xis loj dua, qhov dav ntawm qhov cua sov ntawm lub teeb ob chav, thiab qhov dav ntawm sab saud ntawm qhov vuam yog ntau dua. Ob lub teeb laser ua lub luag haujlwm sib txawv hauv cov txheej txheem vuam. Ib qho feem ntau yog siv los nkag mus rau hauv cov xov, thaum lwm qhov feem ntau yog siv los yaj cov khoom siv phaj tuab kom sau qhov sib txawv. Raws li pom hauv Daim Duab 6-35, nyob rau hauv lub kaum sab xis ntawm lub teeb zoo (lub teeb pem hauv ntej ua haujlwm rau ntawm daim phaj tuab, lub teeb tom qab ua haujlwm rau ntawm qhov vuam), lub teeb pem hauv ntej raug cuam tshuam rau ntawm daim phaj tuab kom sov thiab yaj cov khoom, thiab tom qab ntawd Lub teeb laser tsim kev nkag mus. Lub teeb laser thawj zaug nyob rau pem hauv ntej tsuas yog yaj ib nrab ntawm lub phaj tuab xwb, tab sis nws pab txhawb rau cov txheej txheem vuam, vim tias nws tsis tsuas yog yaj sab ntawm lub phaj tuab rau qhov sib txawv zoo dua, tab sis kuj ua ntej koom nrog cov khoom sib koom ua ke kom cov kab hauv qab no yooj yim dua rau vuam los ntawm cov pob qij txha, ua rau vuam sai dua. Hauv kev vuam ob-beam nrog lub kaum sab xis tsis zoo (lub teeb pem hauv ntej ua rau ntawm qhov vuam, thiab lub teeb tom qab ua rau ntawm lub phaj tuab), ob lub teeb muaj qhov cuam tshuam sib txawv. Lub teeb yav dhau los yaj lub pob qij txha, thiab lub teeb tom kawg yaj lub phaj tuab kom sau nws. qhov sib txawv. Hauv qhov no, lub teeb pem hauv ntej yuav tsum tau vuam los ntawm lub phaj txias, thiab qhov ceev vuam qeeb dua li siv lub kaum sab xis zoo. Thiab vim yog qhov cuam tshuam ua ntej ntawm lub teeb yav dhau los, lub teeb tom kawg yuav yaj cov khoom phaj tuab dua hauv qab lub zog tib yam. Hauv qhov no, lub zog ntawm lub teeb laser tom kawg yuav tsum raug txo kom tsim nyog. Piv txwv li, siv lub kaum sab xis zoo tuaj yeem ua rau qhov ceev vuam nce ntxiv, thiab siv lub kaum sab xis tsis zoo tuaj yeem ua tiav qhov sib txawv zoo dua. Daim Duab 6-36 qhia txog qhov cuam tshuam ntawm cov kaum sib txawv ntawm lub teeb rau ntawm qhov seem ntawm qhov vuam.
3.4 Kev siv laser ob chav vuam ntawm cov phaj loj tuab Nrog kev txhim kho ntawm qib zog laser thiab qhov zoo ntawm lub teeb, kev vuam laser ntawm cov phaj loj tuab tau dhau los ua qhov tseeb. Txawm li cas los xij, vim tias cov laser muaj zog siab kim thiab kev vuam ntawm cov phaj loj tuab feem ntau xav tau cov hlau sau, muaj qee qhov kev txwv hauv kev tsim khoom tiag tiag. Kev siv cov thev naus laus zis vuam laser ob chav tsis tsuas yog ua rau lub zog laser nce ntxiv, tab sis kuj ua rau lub zog cua sov zoo dua, ua rau muaj peev xwm yaj cov hlau sau, ua kom lub qhov tseem ceeb laser ruaj khov, txhim kho kev ruaj khov ntawm kev vuam, thiab txhim kho qhov zoo ntawm kev vuam.
Lub sijhawm tshaj tawm: Plaub Hlis-29-2024
