Mumakore achangopfuura, kuchenesa nelaser kwave imwe yenzvimbo dzinonyanya kutsvagisa mumunda wekugadzira maindasitiri, tsvakiridzo inofukidza maitiro, dzidziso, michina uye mashandisirwo. Mukushandiswa kwemaindasitiri, tekinoroji yekuchenesa nelaser yakakwanisa kuchenesa zvakavimbika nzvimbo dzakasiyana-siyana dzepasi, kuchenesa zvinhu zvinosanganisira simbi, aruminiyamu, titanium, girazi nezvinhu zvakasanganiswa, nezvimwewo, maindasitiri ekushandisa anosanganisira aerospace, ndege, kutakura zvinhu, njanji dzinomhanya zvakanyanya, mota, mold, simba renyukireya uye zvemugungwa nedzimwe nzvimbo.
Tekinoroji yekuchenesa nelaser, yakatanga kuma1960, ine zvakanakira zvekuchenesa kwakanaka, kushandiswa kwakasiyana-siyana, kunyatsoita zvinhu nemazvo, kusabata uye kuwanikwa. Mukugadzira maindasitiri, kugadzira nekugadzirisa uye mamwe mabasa, kune mikana yakawanda yekushandisa, inotarisirwa kutsiva zvishoma kana zvachose nzira dzekuchenesa dzechinyakare, uye kuva tekinoroji yekuchenesa girini inovimbisa zvikuru muzana remakore rechi21.
Nzira yekuchenesa nelaser
Maitiro ekuchenesa nelaser akaomarara, anosanganisira nzira dzakasiyana-siyana dzekubvisa zvinhu, nenzira yekuchenesa nelaser, maitiro ekuchenesa anogona kunge aripo panguva imwe chete nenzira dzakasiyana-siyana, izvo zvinonyanya kukonzerwa nekudyidzana pakati pelaser nezvinhu, kusanganisira kubvisa pamusoro pechinhu, kuora, ionization, kuora, kunyunguduka, kupisa, vaporization, vibration, sputtering, expansion, shrinkage, explosion, peeling, shedding uye dzimwe shanduko dzemuviri nemakemikari.
Parizvino, nzira dzakajairika dzekuchenesa nelaser dzinosanganisira nhatu: kuchenesa nelaser ablation, kuchenesa nelaser uchishandisa liquid film uye nzira dzekuchenesa nelaser shock wave.
Nzira yekuchenesa ne laser ablation
Nzira huru dzekushandisa dzinosanganisira kuwedzera kwekupisa, kupfuta, kubvisa tsvina uye kuputika kwechikamu. Laser inoshanda zvakananga pazvinhu zvinofanira kubviswa pamusoro pe substrate uye mamiriro ekunze anogona kunge ari mhepo, gasi risingawanzoonekwi kana vacuum. Mamiriro ekushanda ari nyore uye anoshandiswa zvakanyanya kubvisa mapendi akasiyana-siyana, pendi, zvidimbu kana tsvina. Dhayagiramu iri pazasi inoratidza dhayagiramu yemaitiro ekuchenesa nzira yekubvisa tsvina ne laser.
Kana laser irradiation iri pamusoro pechinhu, substrate nezvinhu zvekuchenesa ndiyo yekutanga kuwedzera kupisa. Nekuwedzera kwenguva yekudyidzana nelaser nezvinhu zvekuchenesa, kana tembiricha iri pasi pe cavitation threshold yechinhu chekuchenesa, nzira yekuchenesa inongochinja physical, musiyano uripo pakati pechinhu chekuchenesa ne substrate thermal expansion coefficient inotungamira mukumanikidzwa panzvimbo inopindirana, kuchenesa kunoputika, kubvaruka kubva pamusoro pe substrate, kutsemuka, kupwanyika kwemuchina, kupwanya vibration, nezvimwewo, chinhu chekuchenesa chinobviswa nejet kana kubviswa pamusoro pe substrate.
Kana tembiricha yakakwira kupfuura tembiricha yemuganho wegesi yezvinhu zvekuchenesa, pachava nemamiriro maviri: 1) muganho wemuganho wezvinoshandiswa pakuchenesa wakaderera pane substrate; 2) muganho wemuganho wezvinoshandiswa pakuchenesa wakakwira kupfuura substrate.
Zvinhu zviviri izvi zvekuchenesa zvinosanganisira kunyunguduka, cavitation uye ablation uye dzimwe shanduko dzefizikisi, nzira yekuchenesa yakaoma, kuwedzera kune mhedzisiro yekupisa, asi inogonawo kusanganisira zvinhu zvekuchenesa uye substrates pakati pekuputsika kwebonde remamorekuru, kuora kana kuora kwezvinhu zvekuchenesa, kuputika kwechikamu, gasification yezvinhu zvekuchenesa instantaneous ionization, kugadzirwa kweplasma.
(1)Kuchenesa ne laser uchishandisa firimu remvura
Maitiro ekushandisa nzira iyi anonyanya kuita kuti vaporization yemvura ifashaire uye kudedera, nezvimwewo. Kushandiswa kwekusarudza wavelength yakakodzera yelaser, nenzira yekutsiva kushaya simba rekumanikidzwa mukuchenesa kwelaser ablation, kunogona kushandiswa kubvisa chimwe chezvinhu zvakaoma kubvisa chinhu chekuchenesa.
Sezvakaratidzwa pamufananidzo uri pazasi, firimu remvura (mvura, ethanol kana zvimwe zvinwiwa) rinoputirwa pamusoro pechinhu chinochenesa, uye wobva washandisa laser kuipisa. Firimu remvura rinotora simba relaser zvichikonzera kuputika kwakasimba kwemidziyo yemvura, kuputika kwemvura inofashaira inofamba nekukurumidza, kutamiswa kwesimba kuenda kuzvinhu zvinochenesa pamusoro, simba guru rinoputika rinokwana kubvisa tsvina yepamusoro kuti zvizadzise zvinangwa zvekuchenesa.
Nzira yekuchenesa nelaser ine zvinhu zviviri zvakaipa.
Maitiro acho akaoma uye akaoma kudzora maitiro acho.
Nekuda kwekushandiswa kwefirimu remvura, makemikari ari pamusoro pe substrate mushure mekuchenesa ari nyore kuchinja uye kugadzira zvinhu zvitsva.
(1)Nzira yekuchenesa yerudzi rwemafungu eLaser
Maitiro ekuita uye mashandiro acho akasiyana zvikuru neaviri ekutanga, mashandiro acho anonyanya kubvisa simba remafungu, zvinhu zvekuchenesa zvinonyanya kuva zvidimbu, kunyanya zvekubvisa zvidimbu (sub-micron kana nanoscale). Zvinodiwa zvemaitiro acho zvakasimba, zvese kuve nechokwadi chekuti kugona kwekuisa mweya mumhepo, asiwo kuchengetedza daro rakakodzera pakati pelaser ne substrate kuve nechokwadi chekuti chiito pazvidimbu zvesimba rekurova chakakura zvakakwana.
Dhiyagiramu yekuchenesa nzira yekuchenesa mafungu eLaser inoratidzwa pazasi, laser ichienda kudivi renzvimbo yakatorwa substrate, uye substrate haibatani. Fambisa workpiece kana kuti laser head kuti ugadzirise laser focus kune particle iri pedyo ne laser output, focal point ye air ionization phenomenon ichaitika, zvichikonzera mafungu e shock, mafungu e shock kusvika pakukura nekukurumidza kwe spherical expansion, uye inotambanudzwa kuti ibatane ne particles. Kana nguva ye transverse component ye shock wave pa particle yakakura kupfuura nguva ye longitudinal component uye particle adhesion force, particle ichabviswa nekumonereka.
Tekinoroji yekuchenesa nelaser
Laser kuchenesa mashandiro anonyanya kubva pamusoro pechinhu mushure mekunyudzwa kwesimba relaser, kana vaporization uye volatilization, kana kuwedzera kwekupisa kwepakarepo kukunda kunyudzwa kwezvikamu pamusoro, kuitira kuti chinhu chibve pamusoro, uye ipapo kuzadzisa chinangwa chekuchenesa.
Zvinenge zvapfupikiswa seizvi: 1. kuora kwemhepo nelaser, 2. kubvisa nelaser, 3. kuwedzera kwetsvina nekupisa, 4. kudedera kwepasi pevhu uye kudedera kwezvikamu zvinhu zvina
Kana tichienzanisa nemaitiro echinyakare ekuchenesa, tekinoroji yekuchenesa nelaser ine hunhu hunotevera.
1. Kuchenesa "kwakaoma", hapana mushonga wekuchenesa kana mimwe mishonga yemakemikari, uye kuchena kwakanyanya kupfuura maitiro ekuchenesa kwemakemikari.
2. Kubviswa kwetsvina uye nzvimbo yakakodzera yekubvisa tsvina yakakura kwazvo, uye
3. Kuburikidza nekudzora maparamita e laser process, hazvigone kukuvadza pamusoro pe substrate zvichibva pakubvisa zvinobudirira tsvina, uye pamusoro payo pachava patsva.
4. Kuchenesa neLaser kunogona kuitwa otomatiki zviri nyore.
5. Midziyo yekubvisa tsvina nelaser inogona kushandiswa kwenguva yakareba, mari shoma yekushandisa.
6. Tekinoroji yekuchenesa nelaser ndeiyi: girini: maitiro ekuchenesa, kubvisa marara ihupfu hwakasimba, saizi diki, iri nyore kuchengeta, hazvizosvibisi nharaunda.
Mumakore ekuma1980, kukura nekukurumidza kweindasitiri yesemiconductor pamusoro pesilicon wafer mask contamination particles ye cleaning technology kwakaisa zvinodiwa zvakanyanya, chinhu chikuru ndechekukunda kusvibiswa kwe micro-particles uye substrate pakati pe great adsorption force, kuchenesa kwemakemikari kwechinyakare, kuchenesa kwemuchina, nzira dzekuchenesa ne ultrasonic hadzikwanisi kusangana nezvinodiwa, uye kuchenesa ne laser kunogona kugadzirisa matambudziko akadaro ekusvibiswa, tsvakurudzo dzakabatana uye mashandisirwo azvo akagadzirwa nekukurumidza.
Muna 1987, ndipo pakatanga kuonekwa kushandiswa kwepatent pakuchenesa nelaser. Muma1990, Zapka akabudirira kushandisa tekinoroji yekuchenesa nelaser mukugadzira semiconductor kubvisa tunhu tudiki kubva pamusoro pemasiki, zvichiita kuti tekinoroji yekuchenesa nelaser ishandiswe pakutanga mumunda wemaindasitiri. 1995, vaongorori vakashandisa laser ye2 kW TEA-CO2 kuti vabudirire kuchenesa pendi yefuselage yendege.
Mushure mekupinda muzana remakore rechi21, nekukura nekukurumidza kwema-ultra-short pulse lasers, tsvakiridzo yemuno neyekunze uye kushandiswa kwetekinoroji yekuchenesa laser kwakawedzera zvishoma nezvishoma, zvichinyanya kutarisa pamusoro pezvinhu zvesimbi, zvinowanzoshandiswa kunze kwenyika kubvisa pendi yefuselage mundege, kubvisa mafuta pamusoro pechikohwe, kubvisa kabhoni mukati meinjini uye kuchenesa pamusoro pemajoini usati wabatanidza. US Edison Welding Institute kuchenesa ndege yeFG16 nelaser, apo simba relaser re1 kW, vhoriyamu yekuchenesa ye2.36 cm3 paminiti.
Zvakakosha kutaura kuti kutsvakurudza nekushandisa pendi yelaser yezvikamu zvepamusoro zvine composite inzvimbo inonyanya kufarirwa. Mabhera ehelikopta eUS Navy HG53, HG56 pamwe neF16 fighter jet's flat tail nedzimwe nzvimbo dzakasanganiswa zvakashandiswa kubvisa pendi nelaser, nepo zvinhu zvakasanganiswa zveChina mundege zvakanonoka kushandiswa, saka kutsvakurudza kwakadaro kuri pachena.
Pamusoro pezvo, kushandiswa kwetekinoroji yekuchenesa nelaser pakugadzirisa CFRP pamusoro pejointi isati yanamatidzwa kuti ivandudze kusimba kwejointi ndeimwe yenzvimbo dziri kutsvagurudzwa pari zvino. Shandura kambani yelaser kuAudi TT car production line kuti ipe michina yekuchenesa nelaser yefiber laser yekuchenesa pamusoro pefirimu realuminium alloy door frame oxide film. Rolls G Royce UK yakashandisa laser cleaning kuchenesa nelaser kuchenesa oxide film pamusoro petitanium aero-engine components.
Tekinoroji yekuchenesa laser yakabudirira nekukurumidza mumakore maviri apfuura, ingave iri nzira yekuchenesa laser uye nzira yekuchenesa, kutsvakurudza kwechinhu chekuchenesa kana kushandiswa kwetsvakiridzo kwafambira mberi zvikuru. Tekinoroji yekuchenesa laser mushure mekutsvagisa kwakawanda kwedzidziso, chinangwa chetsvakiridzo yayo chinogara chakarerekera pakushandiswa kwetsvakiridzo, uye mukushandiswa kwemhedzisiro inovimbisa. Mune ramangwana, tekinoroji yekuchenesa laser mukudzivirira zvisaririra zvetsika nemabasa ehunyanzvi ichashandiswa zvakanyanya, uye musika wayo wakakura kwazvo. Nekuvandudzwa kwesainzi netekinoroji, kushandiswa kwetekinoroji yekuchenesa laser muindasitiri kuri kuva chokwadi, uye huwandu hwekushandiswa huri kuramba huchiwedzera.
Kambani yeMaven laser automation yave ichinyanya kutarisa indasitiri yelaser kwemakore gumi nemana, isu tine hunyanzvi mukugadzira laser marking, tine muchina wekuchenesa laser muchina wemakabati, muchina wekuchenesa laser wetrolley case, muchina wekuchenesa laser webackpack uye muchina wekuchenesa laser wethree in one, pamusoro pezvo, tinewo muchina wekuchenesa laser, muchina wekucheka laser uye muchina wekunyora laser, kana uchifarira muchina wedu, unogona kutitevera uye inzwa wakasununguka kutibata.
Nguva yekutumira: Mbudzi-14-2022
