Dab tsi yog laser vuam? Dab tsi yog qhov kev txhim kho tam sim no ntawm laser vuam tshuab? Nyob rau hauv cov teb twg tuaj yeem khi kev siv thev naus laus zis?
1. Dab tsi yog laser vuam?
Nyob rau hauv luv luv, laser vuam yog kom ua kom sov saum npoo ntawm workpiece nrog laser hluav taws xob, thiab cov npoo cua sov mus rau sab hauv los ntawm kev ua cua sov. Tom qab ntawd, los ntawm kev tswj hwm qhov dav, lub zog, lub zog hluav taws xob thiab lub zog ua haujlwm tau melted los tsim cov pas dej molten, yog li ua kom tau vuam.
Laser vuam tuaj yeem txo cov tswv yim ua kom sov rau qhov yuav tsum tau muaj qhov tsawg kawg nkaus, thiab kev tawm tsam ntawm tshav kub yog tshwm sim los ntawm kev kub kub yog tseem tsawg.
Tsis-hu vuam yuav txo tau cov hnav thiab deformation ntawm lub tshuab kom tsawg. Lub nqaj laser yog qhov yooj yim rau kev tsom xam, ua kom haum thiab qhia los ntawm cov twj kho muag khoom. Nws tuaj yeem muab tso rau ntawm qhov kev ncua deb ntawm qhov chaw ua haujlwm thiab tuaj yeem coj ntawm lub tshuab los yog cov teeb meem ib ncig ntawm kev ua haujlwm.
Thaj chaw laser tuaj yeem tsom rau qhov chaw me me, tuaj yeem muab cov khoom me me thiab muaj peev xwm siv ntau yam khoom siv, thiab tuaj yeem tuaj nrog ntau yam khoom siv heeterogeneous.
Nws yog ib qho yooj yim los ua cov high-ceev vuam nrog automation, thiab tseem tuaj yeem tswj hwm digitally lossis los ntawm lub computer. Thaum vuam nyias cov ntaub ntawv los yog cov xov hlau nyias nyias, tsis muaj teeb meem xws li kev thim rov qab.
2. Dab tsi yog qhov tam sim no ntawm laser vuam tshuab?
Laser vuam technology tau tsim los nrog kev txhim kho cov tshuab laser. Nyob rau hauv xyoo tsis ntev los no, lub teeb tshiab zoo li xiav laser, femtetable chaw kho vaj tsev, uas tau ua kom haum rau txoj kev lag luam
(1) Hlau Laser Vuam Technology
Lub zog loj ntom ntawm laser ua rau muaj peev xwm weld qee cov teeb meem uas nyuaj rau cov ntaub ntawv thiab cov khoom siv hlau ua kom zoo xws li kub, tooj, thiab txhuas. Cov laj thawj tseem ceeb muaj:
①high refirstity thiab siab thermal conductivity, laser vuam yuav tsum tau pib dua lub zog siab dua;
②during high-hwj huam laser vuam, nws yog rhiab rau kev hloov pauv hauv lub xeev ntawm cov khoom, ua rau cov neeg pluag sib koom ua ke / weld tsim;
③HE Laser vuam ceev yog nrawm, ua rau vuam tsis xws li xws li pores sab hauv weld, tshwj xeeb tshaj yog txhuas hauv weld, tshwj xeeb tshaj yog txhuas thiab txhuas alloys.
(1.1) ua laser vuam ntawm tooj liab thiab tooj liab alloys
Tooj liab muaj hluav taws xob zoo thiab thermal ua haujlwm thiab yog siv dav hauv kev tsim cov khoom lag luam hluav taws xob thiab cov tsheb hluav taws xob. Ntawm lawv, cov roj teeb, roj teeb, cov tshuab hluav taws xob, cov hlua hlau, thiab cov chaw ua haujlwm yog qhov dav siv.
Yav dhau los, Laser Vuam ntawm cov khoom siv hlau tsuas yog cia siab rau cov lasers infrared. Txawm li cas los xij, lub thermal conductivity ntawm tooj liab yog dhau lawm, yuav luag 5 zaug ntawm cov hlau ntshiab thiab 1.7 lub sij hawm uas ntshiab txhuas. Tooj liab muaj tus nqi qis dua rau cov lasers infrared. Kev siv ntawm infrared lasers rau linear vuam ib leeg muaj qhov chaw tsis ruaj khov, thiab qhov loj tshaj plaws ua kom muaj teeb meem xws li kev sib tw ua ke, pances, thiab loj hloov pauv tob.
Yog li ntawd, tom qab rov tshwm sim ntawm high-weltength lasers, pom lub teeb ua kev ua rau cov ntaub ntawv zoo tshaj plaws xws li tooj liab thiab tooj liab.
①green teeb Laser Vuam
Green Laser yog ib hom ntawm pom lub teeb nrog 500-560 nm. Lub teeb nqus ntawm tooj liab rau lub teeb ntsuab nrog lub siab zoo li 40%, uas yog hais txog 40 xyoos, thiab lub zog tuav kev ua tau zoo dua. Rhiab rau qib ntawm oxidation kuj tseem raug txo.
Kev siv cov ntsuab laser tuaj yeem txo qhov pib hluav taws xob vuam vuam, qhov ntau ntawm weld nto yog me me, thiab nws yuav luag tsis muaj kev cuam tshuam los ntawm kev siv vuam. Yog hais tias lub nqaj scannus, nqaj defocus thiab kho cov khoom siv hluav taws xob laser hluav taws xob laser hluav taws xob nce ntxiv, cov vuam muag tau zoo dua. Thaum tus naj npawb ntawm weld tsis xws luag tau zoo heev, Weld saum npoo av yuav ua haujlwm tsis tu ncua thiab hnav ris tsho.
OLBRUE TEEB LASER VUAM
Tus luv luv nthwv dej, siab dua lub photon zog, uas pab kom nce cov khoom nqus tus nqi ntawm lub teeb laser. Lub wavelength ntawm xiav laser yog 400nm ~ 500n. Cov semiconductor laser raws li gallium nitride cov khoom muaj peev xwm ncaj qha rau 450 nm yam tsis muaj peev xwm txuas ntxiv ob npaug. Nws muaj qhov zoo ntawm cov qauv yooj yim, siv tau yooj yim, kho kho kom hloov kho kev ua haujlwm zoo, thiab tus nqi siab.
Compared with fiber lasers commonly used in industrial processing, blue light lasers have a {{0}}% increase in the absorption rate of metal materials at 450nm, especially the increase in the absorption rate of highly reflective metal materials such as copper and gold. Nws tau txheeb xyuas tias kev siv zog siv zog yuav tsum rau tooj liab vuam yog 84% qis dua li cov lasers infrared. Qhov no txhais tau tias thaum ib qho kev xav tau laser yuav tsum muaj 10 w ntawm Laser Fais rau Weld cov ntaub ntawv liab, siv lub laser tooj liab tsuas yog siv txog 1 kw lossis 0.5 kW ntawm lub zog.
③SOUSLE TEEB HYBRID VUAM VUAM VUAM
Siv cov teeb pom kev zoo-pom cov txheej txheem vuam hlau, thiab siv lub zog me me kom ua rau pom kev sib txuas Lub vuam zoo yog siab thiab tau pom tias muaj kev zoo heev thiab kev thov kev thov zoo.
(1.2) laser viav vias vuam ntawm aluminium alloys
Thaum muaj kev pab ib leeg-ua kom pom cov kab teeb laser laser las yog siv los weld aluminium alloys, pores yog qhov tshwm sim nquag. Cov laj thawj tseem ceeb rau kev tsim ntawm pores hauv aluminium alloys yog:
① Cov pas dej vuam thiab cov keyTten thiab qhov tsis tshua muaj kev vau thiab qhov chaw tsis txaus ntseeg, ua qhov hws loj;
Solubility ntawm hydrogen hauv aluminium alloys yuav poob ntau dua ntawm kev txo qis ntawm hydrogen cais thiab kev tsim ntawm hydrogen pores. Lub xub ntiag yuav ua rau muaj kev ntxhov siab hauv Weld, uas yuav ua rau weld mus tawg thaum sandolification thaum sandolification thaum sandidification thaum sandidification thaum sandidification thaum sandolation.
Laser viav vuam. Thaum lub sij hawm vuam sib tw, cov nqaj txav raws cov kev taw qhia ntawm weld thiab viav vias nyob rau ntau hom xws li portular,}} zoo li cov kab, thiab kauv nyob rau tib lub sijhawm.
Tam sim no, kev paub txog Beach viav vias yog feem ntau ua tiav los ntawm Galvanometer uas tuaj yeem tiv taus siab lasers. Cov nqaj txiav txim siab ntawm laser viav vuam yog nce, txhim kho pas dej khov kho thiab cov khoom siv molten, thiab muaj lub pas dej molten, thiab muaj cov kev txhim kho molten Nyob rau tib lub sijhawm, lub pas dej nplawm ntawm lub tshuab viav vias los ntawm lub teeb pas dej nrawm nrawm ntawm cov pas dej hauv Molten thiab txo lub porosity.
3. Tam sim no daim ntawv thov ntawm Laser Vuam Technology hauv ntau thaj teb
Laser vuam yog tsis pub dhau kev txiav. Tam sim no, muaj kev lag luam hauv kuv lub teb chaws uas tshwj xeeb hauv laser vuam. Nyob rau hauv lub hnub thaum ntxov, lub teeb-so laser thiab yag laser vuam yog cov txheej txheem tseem ceeb. Lawv yog txhua tus heev tsoos tsawg-hwj chim liaser vuam, uas tau thov cov cim, tsom iav, cov khoom lag luam sib txawv thiab cov nplai muaj tsawg heev. Nyob rau hauv xyoo tsis ntev los no, nrog kev txhim kho Laser Laser Laser tau maj mam tsim kho laser vuam daim ntawv thov kev lom zem thiab qhib chaw ua lag luam tshiab.
(1) Daim ntawv thov ntawm Laser Vuam Technology hauv tsheb tsim khoom
Nrog rau kev txhim kho kev tshawb fawb thiab thev naus laus zis thiab kev txhim kho ntawm cov neeg siv qib kev ua yeeb yam ntawm lub cev tsheb hauv lub tsheb ua haujlwm tau nce siab dua thiab siab dua. Laser vuam technes sawv tawm vim nws cov nyhuv zoo heev, cov khoom lag luam zoo thiab ua haujlwm siab ua haujlwm siab ua haujlwm hauv kev teb tsheb ua haujlwm.
Hauv kev tsheb ntau lawm, Laser Vuam Technology yog tsuas yog siv nyob rau hauv cov txheej txheem ntawm cov txheej txheem tuab thiab lub suab sib dhos ntawm lub tsheb. Cov automakers hauv qee cov neeg European thiab Asmeskas tau pib thov laser vuam tshuab thev naus laus zis siv ntxov, pib xyoo 1980s. Audi, mercedes-benz, GM thiab lwm yam zoo nkauj tsheb pib ua lag luam hauv kev tsim khoom siv tshuab ntawm lub tsheb ntau lawm tshuab hauv kev tsim khoom thiab kev tsim khoom.
Laser vuam ntawm cov roj teeb fais fab yuav tsum yog qhov muag tshaj plaws vuam vuam thov nyob rau hauv tsis ntev los no, uas muaj cov impetus zoo rau cov khoom siv laser. Qhov thib ob yuav tsum yog qhov vuam ntawm lub cev tsheb thiab qhov chaw. Tuam Tshoj yog lub ntiaj teb kev ua lag luam loj tshaj plaws, nrog ntau lub tuam txhab tsheb cuab qub thiab cov tuam txhab tsheb tshiab tshaj tawm tsis tu ncua, nrog ze li 100 tsheb hom. Cov tuam ntxhab feem ntau siv cov roj technology qib vuam siv cov kab ntau lawm; Tshwj xeeb tshaj yog nyob rau hauv lub teb ntawm cov roj teeb fais fab, tus coj lub tuam txhab roj teeb tshiab tau siv ntau ntawm cov khoom siv laser vuam.
4. Dab tsi yog qhov kev txhim kho ntawm laser vuam tshuab?
Nrog rau kev txhim kho ntxiv thiab tawg ntawm vuam technology, nws qhov kev tsis ncaj ncees yog pom tseeb hauv kev tshawb fawb thiab kev txhim kho ob lub tshuab kev txhim kho. Laser vuam technology tuaj yeem weld hlau cov ntaub ntawv sai thiab ua tau zoo. Thaum lub nqaj hlau laser yog tsim, vim nws tus kheej lub zog laser, uas ua rau muaj kev sib tw Laser, yog li txhim kho cov kev ua haujlwm vuam ua haujlwm thiab ua kom muaj kev sib tw vuam zoo.
Tsis tas li ntawd, vim lub instantaneously vuam kom zoo dua ntawm laser vuam Technology, nws muaj qhov kev thov loj heev. Nyob rau hauv lub ntawv thov tiag tiag ntawm laser vuam technology, thaum cov khoom sib tw ncaj qha rau sab nraud ntawm cov khoom siv hluav taws xob, yog li tsis tas yuav ua tiav cov txheej txheem sib xws. Qhov no ua laser vuam cov thev naus laus zis tshwj xeeb rau cov khoom siv ntau yam, yog li ntawd ntau qhov kev siv vuam siv ntau yam tseem tuaj yeem ua tiav.
Ntxiv mus, nyob rau hauv kev siv vuam kev siv vuam kev tshwj xeeb, nws feem ntau tau hais tias cov ntaub ntawv uas xav tau rau txhua cov khoom siv vuam yuav tsum muaj ua ke. Nrog rau kev siv laser vuam technology, tsis tas yuav muaj kev txwv zoo rau cov khoom siv sib txawv, yog li txawm tias cov ntaub ntawv sib txawv siv tau siv laser vuam tshuab. Nws tuaj yeem hais tias qhov tsim thiab ntau daim ntawv thov ntawm laser vuam thev naus laus zis thiab txo qis qhov nyuaj ntawm kev siv vuam ua haujlwm.
Tom qab ntau tshaj li ib nrab xyoo ntawm kev txhim kho, kev kawm laser vuam tshuab kuj tseem ua tau yooj yim zuj zus ntxiv rau hauv ntau thiab ntau dua cov chaw muaj ntau.
Hauv cov ntawv thov ntawm Aerospace, cov cuab yeej siv hluav taws xob, cov khoom siv tau ua, cov khoom siv kho mob thiab lwm yam khoom siv tshuaj thiab lwm yam kev lag luam, Laser Welding Technology. Piv txwv li, hauv kev tsim cov tshuab lag luam, kev siv tshuab siv roj av, thiab cov teb chaws zoo li no tau ua rau cov khoom siv thev naus laus zis hauv cov chaw ntshiab ntawm cov av.