Kwintsimi yokucoca i-laser, i-fiber lasers ibe yinto ekhethekileyo yokucoca umthombo wokukhanya we-laser ngokuthembeka okuphezulu, ukuzinza kunye nokuguquguquka.Njengamacandelo amabini amakhulu e-fiber lasers, iilaser zefiber eziqhubekayo kunye ne-pulsed fiber lasers zithatha izikhundla ezikhokelayo kwimakethi ekusetyenzweni kwemathiriyeli enkulu kunye nokuchaneka kwezinto ngokulandelelanayo.
Kwizicelo zokucoca ngelaser ezivelayo, nokuba kufuneka zisetyenziswe i-laser eqhubekayo okanye i-laser ye-pulsed yavela kumazwi ahlukeneyo, imarike iphinde yavela kusetyenziso lwe-laser ye-pulsed kunye ne-laser eqhubekayo iindidi ezimbini zezixhobo zokucoca nge-laser.Uninzi lwabasebenzisi bokuphela kwamashishini abazi ukuba banokukhetha njani xa bekhetha.I-Jepte laser kwizicelo eziqhubekayo kunye ne-pulsed laser yokucoca i-laser yokuvavanya ukuthelekisa, kunye nokuhlalutya kweempawu zabo kunye neemeko zesicelo esisebenzayo, ngethemba lokubonelela ngereferensi eluncedo kubasebenzisi bemizi-mveliso ekukhetheni iteknoloji yokucoca i-laser ehambelanayo.
Izinto zokuvavanya
I-ALCP sisicoci se-laser sepulsed kwaye i-ALC sisicoci esiqhubekayo selaser.Iiparameters ezineenkcukacha zokuthelekisa i-laser yesicoci ezimbini ziboniswe kwiThebhile 1. Isampuli esetyenzisiweyo kuvavanyo yi-aluminium alloy plate, i-aluminium alloy plate size size ubude, ububanzi kunye nobude be-400mm × 400mm × 4mm.isampuli ezimbini ipleyiti carbon steel, carbon steel ubude ubude, ububanzi kunye nobude 400mm × 400mm × 10mm.isampulu umphezulu ukutshiza ipeyinti emhlophe, isampuli enye kubunzima bepeyinti yomphezulu malunga ne-20μm, isampuli ezimbini zobunzima bepeyinti yomphezulu malunga ne-40μm.
Iilaser ezimbini zisetyenziselwe ukususa ipeyinti kumphezulu wezinto ezimbini zovavanyo, kwaye iiparamitha zokucoca i-laser zalungiswa ukuze zifumane obona bubanzi be-pulse ububanzi, ukuphindaphinda, isantya sokuskena kunye nezinye iiparamitha, kunye nokuthelekisa isiphumo sokucoca kunye nokusebenza kakuhle phantsi komgangatho owenziwe kakuhle. iimeko zovavanyo.
Pulsed laser yokucoca umaleko wepeyinti ulingelo
Kulingelo lokususa ipeyinti epholileyo, amandla elaser ngama-200W, ubude bendawo yesipili esisetyenzisiweyo yi-163mm, kwaye i-laser egxile kwidayamitha yendawo imalunga ne-0.32mm.Indawo yokucoca indawo enye yi-13mm × 13mm, kwaye isithuba sokuzaliswa ngu-0.16mm.I-laser ihlola ngokuphindaphindiweyo kwaye ihlambulule i-aluminium alloy surface ngamaxesha e-2 kunye ne-carbon steel surface 4 amaxesha.
Itheyibhile 1: Ukuthelekiswa kwe-laser ye-pulsed kunye ne-laser parameters eqhubekayo
Izinto eziphathekayo
Isampuli ye-1 yayiyi-aluminium alloy plate kunye nemilinganiselo ye-400 mm × 400 mm × 4 mm.isampula 2 yayiyi-carbon steel plate enemilinganiselo ye-400 mm × 400 mm × 10 mm.ubuso besampulu bupeyintwe mhlophe, kwaye ubukhulu bepeyinti phezu kwesampulu ye-1 yayimalunga ne-20 μm, kwaye ubukhulu bepeyinti phezu kwesampulu ye-2 yayimalunga ne-40 μm.
Iziphumo zovavanyo
Iilaser ezimbini zisetyenziselwa uvavanyo lokususa ipeyinti kumphezulu wezinto ezimbini, kwaye iiparamitha zokucoca i-laser ziphuculwe ukufumana obona bubanzi be-pulse, frequency, isantya sokuskena kunye nezinye iiparamitha, kunye nokuthelekisa isiphumo sokucoca kunye nokusebenza kakuhle phantsi kweemeko zovavanyo olulungisiweyo.
1 iPulsed laser yokucoca umaleko wepeyinti ulingelo
Amandla e-laser yi-200W, ubude obugxilwe kwisibuko sentsimi yi-163mm, ububanzi bendawo ye-laser yi-0.32mm, indawo yokucoca yi-13mmx13mm, isithuba sokuzalisa yi-0.16mm, indawo ye-aluminium icocwa nge-laser scanning kabini, kunye ne-carbon carbon. ubuso bentsimbi bucocwa nge-laser scanning amaxesha amane.Isiphumo sobubanzi be-laser pulse, i-frequency kunye ne-laser scanning speed (njengoko kubonisiwe kwiThebhile 2) kwisiphumo sokucoca savavanywa phantsi kwemeko yokuba i-longitudinal kunye ne-transverse superposition rate ye-spot yayingama-50%, kunye nesiphumo sovavanyo somgangatho we-aluminium alloy surface. ukususwa kwepeyinti kuboniswe kuMzobo 1, kwaye umphumo wokuvavanya ukususwa kwepeyinti yensimbi ye-carbon steel kuboniswe kuMfanekiso 2.
Itheyibhile 2. i-pulsed laser yokucoca i-aluminium alloy kunye ne-carbon steel surface peyinti iiparamitha zokulinga
Umzobo 1. Iiparamitha ezahlukeneyo zelaser phantsi kwe-pulsed laser yokucoca i-aluminium ialloy surface yepeyinti itshati yokuthelekisa.
Umzobo 2. Iiparamitha ezahlukeneyo zelaser phantsi kwe-pulsed laser yokucoca i-carbon steel surface peyinti yepeyinti itshati yokuthelekisa.
Iziphumo zovavanyo kwi-frequency efanayo yobubanzi be-pulse emfutshane xa kuthelekiswa nobubanzi be-pulse emide inokususa ngokulula i-alloy ye-aluminium kunye nekhabhoni yentsimbi yomphezulu wepeyinti umaleko ucocekile, kububanzi be-pulse efanayo, okuya kusezantsi ukuphindaphinda kunokubangela umonakalo kwi-substrate, xa Ukuphindaphinda kukhulu kunexabiso elithile, okukhona isiphumo sokususa ipeyinti yamatyeli amaninzi siya kuba mbi.Iziphumo zovavanyo lwe-pulsed laser yokucoca i-aluminium alloy surface peyinti umaleko weparameters ezikhethiweyo ze-15 # (amandla e-laser 200W, ububanzi be-pulse 100ns, i-frequency 60kHz, isantya sokuskena i-9600mm / s), ukucoca i-carbon steel surface peyinti umaleko weeparamitha ezikhethiweyo ze-13 # (amandla e-laser 200W, ububanzi be-pulse 100ns, i-frequency 40kHz, isantya sokuskena 6400mm / s), zombini ezi parameters ziya kususa i-lacquer layer ngokucocekileyo, kwaye i-substrate yesampulu ayinakonakala.
2 Uvavanyo oluqhubekayo lwelaser yokucoca umaleko wepeyinti
Kuvavanyo oluqhubekayo lokususwa kwepeyinti yokukhanya, amandla e-laser ngama-50%, umjikelo womsebenzi ngu-20% (okulingana namandla aphakathi kwe-200 W), i-frequency yi-30 kHz.I-laser ihlola ngokuphindaphindiweyo amaxesha ama-2 xa ucoca umphezulu we-aluminium alloy kunye namaxesha ama-4 xa ucoca indawo ye-carbon steel.Ngaphantsi kweemeko zamandla e-laser rhoqo, umjikelezo womsebenzi kunye nokuphindaphinda, umphumo wesantya sokuskena kwe-laser kwisiphumo sokucoca sivavanywa.Iiparamitha zokucoca ukususwa kwepeyinti ye-aluminium alloy surface kuboniswe kwiThebhile 3, kwaye umphumo wokucoca uboniswe kuMzobo 3. Iiparamitha zokucoca ukukhutshwa kwepeyinti ye-carbon steel surface kuboniswe kwiThebhile 4, kwaye umphumo wokucoca uboniswe kuMfanekiso 4.
Itheyibhile 3. Ukucocwa kwe-laser okuqhubekayo kwe-aluminiyam i-alloy surface peyinti iiparamitha zokulinga
Itheyibhile 4. Ukucocwa kwe-laser okuqhubekayo kwe-carbon steel surface peyinti iiparamitha zokulinga
Umzobo 3. Isantya esahlukileyo sokuskena selaser eqhubekayo yokucoca i-aluminiyam ialluminiyam umphezulu wepeyinti itshati yokuthelekisa.
Umzobo 4. Isantya esahlukileyo sokuskena selaser sokucocwa kwelaser eqhubekayo yekhabhoni yentsimbi yomphezulu wepeyinti yetshati yokuthelekisa.
Iziphumo zovavanyo zibonisa ukuba amandla e-laser efanayo kunye nokuphindaphinda, okukhona isantya sokuskena se-laser sisezantsi, kokukhona umonakalo ubangelwa kwi-substrate.Xa isantya sokuskena sisikhulu kunexabiso elithile, isantya esikhawulezayo sokuskena, kokukhona isiphumo sokususwa kwepeyinti sibi kakhulu.Iziphumo zovavanyo lwe-laser eqhubekayo yokucoca i-aluminiyam i-alloy yepeyinti yomphezulu wepeyinti ekhethwayo iparameters ye-21 # (amandla e-laser 200W, i-frequency 30kHz, isantya sokuskena i-2000mm / s), ukucoca i-carbon steel surface peyinti umaleko okhethwayo kwi-parameters ye-37 # (amandla e-laser 200W, i-frequency 30kHz, isantya sokuskena 3400mm / s).Ezi parameters zimbini aziyi kususa kuphela i-carbon steel surface peyinti layer ecocekileyo, kwaye umonakalo owenziwe kwi-substrate yesampuli uncinci.
Ukuqukumbela
Uvavanyo lubonise ukuba zombini i-laser eqhubekayo kunye ne-pulsed lasers inokususa ipeyinti kumphezulu wezinto eziphathekayo ukufezekisa iziphumo zokucoca.Ngaphantsi kweemeko zamandla afanayo, ukusebenza kakuhle kokucocwa kwe-laser ye-pulsed kuphezulu kakhulu kune-laser eqhubekayo, ngelixa i-laser ye-pulsed inokulawula ngcono igalelo lobushushu ukukhusela ubushushu obugqithisileyo be-substrate okanye i-microfusion.
I-laser eqhubekayo inenzuzo kwixabiso kwaye inokwenza umehluko ekusebenzeni kakuhle nge-laser ye-pulsed ngokusebenzisa ii-lasers zamandla aphezulu, kodwa igalelo lobushushu lokukhanya okungapheliyo kwamandla aphezulu kwaye iqondo lomonakalo kwi-substrate liyanda.Ke ngoko, kukho umahluko osisiseko phakathi kwezi zimbini kwimiba yesicelo.Iimeko zokusetyenziswa ngokuchaneka okuphezulu, ezifuna ulawulo olungqongqo lokunyuka kobushushu be-substrate kunye nokufuna kungabikho monakalo kwi-substrate, efana nokubumba, kuyacetyiswa ukuba ukhethe i-laser ye-pulsed.Kwezinye izakhiwo ezinkulu zetsimbi, iipayipi, njl., ngenxa yomthamo omkhulu wokutshatyalaliswa kobushushu ngokukhawuleza, iimfuno zomonakalo we-substrate aziphezulu, ngoko unokukhetha i-laser eqhubekayo.
Ixesha lokuposa: Aug-15-2022