Sonke siyazi ukuthi izinhlobo zamajeneretha e-laser zihlanganisa ama-laser amaza aqhubekayo (owaziwa nangokuthi ama-CW lasers) nama-pulsed lasers. Njengoba igama lisho, ukuphuma kwe-laser ye-wave okuqhubekayo kuyaqhubeka ngesikhathi, futhi umthombo wepompo we-laser uhlinzeka ngokuqhubekayo amandla okukhiqiza ukuphuma kwe-laser isikhathi eside, ngaleyo ndlela kutholwa ukukhanya kwe-laser ye-wave eqhubekayo. Amandla okukhiphayo ama-laser e-CW ngokuvamile aphansi uma kuqhathaniswa, afanele izikhathi ezidinga ukusebenza kwe-wave wave laser. I-laser pulsed isho ukuthi isebenza kanye kuphela ngesikhawu esithile. I-laser pulsed inamandla amakhulu okukhiphayo futhi ifanele ukumaka nge-laser, ukusika, ukushisela, ukuhlanza, nokusukela. Eqinisweni, ngokwesimiso sokusebenza, zonke zingezohlobo lwe-pulse, kodwa imvamisa yokuphuma kwe-laser pulse ye-laser wave eqhubekayo iphakeme ngokuqhathaniswa, engenakubonwa ngeso lomuntu.
STYLECNC izochaza umehluko phakathi kwalezi zinhlobo ezi-2 zamalaser:
I-Pulsed Laser VS CW Laser
Incazelo & Isimiso
1. Uma i-modulator yengezwa ku-laser ukuze kukhiqizwe ukulahlekelwa ngezikhathi ezithile, ingxenye yokuphumayo ingakhethwa kuma-pulses amaningi kangaka, okubizwa ngokuthi i-pulsed laser. Kalula nje, ukukhanya kwe-laser okukhishwa yi-laser pulsed kuwugongolo ngogongolo. Kuyifomu lomshini elifana negagasi (igagasi lomsakazo/igagasi lokukhanya, njll.) elikhishwa ngesikhathi esifanayo.
2. Ngelaser ye-CW, ukukhanya kuvamise ukuphuma kanye ohambweni lokuya nokubuya endaweni. Ngenxa yokuthi ubude bomgodi ngokuvamile buba kububanzi bamamilimitha ukuya kumamitha, bungakwazi ukuphuma izikhathi eziningi ngomzuzwana, okubizwa ngokuthi i-continuous wave laser. Kalula nje, i-laser ye-CW iphuma ngokuqhubekayo. Umthombo wephampu ye-laser uhlinzeka ngokuqhubekayo amandla okukhiqiza ukuphuma kwe-laser isikhathi eside, ngaleyo ndlela uthole ukukhanya kwe-laser ye-wave okuqhubekayo.
Izici
1. Ngokuvuswa kwento esebenzayo kanye nokukhishwa kwe-laser okuhambisanayo, i-laser ye-CW ingaqhubeka kumodi eqhubekayo isikhathi eside. .
2. I-laser ye-pulse inamandla amakhulu okukhipha; ifaneleka ukumaka i-laser, ukusika, ukuhlukahluka, njll. Inzuzo yukuthi ukukhuphuka kwezinga lokushisa jikelele kwe-workpiece kuncane, ububanzi obuthintekayo bokushisa buncane, futhi ukuguqulwa kwe-workpiece kuncane.
isici
1. I-laser ye-wave eqhubekayo inesimo sokusebenza esizinzile, okungukuthi, isimo esizinzile. Inombolo yezinhlayiyana zeleveli ngayinye yamandla ku-laser ye-CW kanye nenkundla yemisebe emgodini inokusabalalisa okuzinzile.
2. I-laser pulsed isho i-laser ububanzi bayo be-pulse ye-laser eyodwa bungaphansi kwamasekhondi angu-0.25 futhi isebenza kanye kuphela ngesikhawu esithile.
Izindlela Zokusebenza
1. Imodi yokusebenza ye-laser pulsed ibhekisela kumodi lapho ukuphuma kwelaser kungaqhubeki futhi kusebenza kanye kuphela ngesikhawu esithile.
2. Imodi yokusebenza ye-laser yegagasi eqhubekayo isho ukuthi ukuphuma kwe-laser kuyaqhubeka, futhi okukhiphayo akuphazamiseki ngemva kokuvulwa kwe-laser.
lokukhipha Amandla
1. I-laser pulsed inamandla amakhulu okukhipha.
2. Amandla okukhiphayo ama-laser amagagasi aqhubekayo ngokuvamile aphansi kakhulu.
Amandla we-Peak
1. Ama-laser e-CW ngokuvamile angafinyelela ubukhulu bamandla awo kuphela.
2. I-laser pulsed ingafinyelela izikhathi eziningi amandla ayo. Ububanzi be-pulse bufushane, umphumela wokushisa uyancipha, namalaser ashaya ngamandla asetshenziswa ekucutshungulweni okuhle.
Izinto Ezisetshenziswayo Nokunakekela
1. I-Pulse laser generator: idinga ukunakekelwa njalo, futhi izinto ezisebenzisekayo zizotholakala kamuva.
2. Ijeneretha ye-laser yegagasi eqhubekayo: Cishe ayikhathaleli, futhi akukho okudlekayo okudingekayo esigabeni sakamuva.
I-CW Laser Cleaning VS Pulsed Laser Cleaning
Ukuhlanza i-laser iwubuchwepheshe obusafufusa bokuhlanza indawo obungangena esikhundleni sokucosha ngokwesiko, ukuqhunyiswa kwesihlabathi kanye nokuhlanza izibhamu zamanzi ezinomfutho ophezulu. Umshini wokuhlanza we-laser wamukela ikhanda lokuhlanza eliphathwayo kanye ne-fiber laser, enokudlulisa okuguquguqukayo, ukulawulwa okuhle, izinto ezisetshenziswayo ezibanzi, ukusebenza kahle okuphezulu kanye nomphumela omuhle.
Ingqikithi yokuhlanza nge-laser ukusebenzisa izici zokuminyana kwe-laser amandla aphezulu ukucekela phansi ukungcola okunamathiselwe ebusweni be-substrate ngaphandle kokulimaza i-substrate. Ngokohlaziyo lwezimpawu zokubonwa kwe-substrate ehlanziwe kanye nezinto ezingcolisa umoya, indlela yokuhlanza nge-laser ingahlukaniswa izigaba ezi-2: esisodwa esokusebenzisa umehluko wezinga lokumuncwa kwezinto ezingcolisa umoya kanye ne-substrate kubude obuthile bamandla e-laser, ukuze amandla e-laser amuncwa ngokugcwele. Izinto ezingcolisayo ziyamuncwa, ukuze izinto ezingcolisayo zishise ukuze zande noma zihwamuke. Olunye uhlobo ukuthi kunomehluko omncane esilinganisweni sokumuncwa kwe-laser phakathi kwe-substrate nento engcolisayo. I-high-frequency, high-power pulsed laser isetshenziswa ukuze kuthinte indawo engaphezulu yento, futhi igagasi lokushaqisa libangela ukuthi ukungcola kuqhume futhi kuhlukane ebusweni bendawo engaphansi.
Emkhakheni wokuhlanza nge-laser, i-fiber laser isibe yisinqumo esingcono kakhulu somthombo wokukhanya we-laser ngenxa yokuthembeka kwayo okuphezulu, ukuzinza nokuguquguquka. Njengezingxenye ezi-2 ezinkulu zama-fiber lasers, ama-laser e-fiber aqhubekayo nama-pulsed fibre lasers athatha isikhundla esivelele ekucutshungulweni kwezinto ezibonakalayo ezinkulu kanye nokucutshungulwa kwezinto ezibonakalayo, ngokulandelanayo.
Ukususwa kokugqwala, upende, uwoyela kanye nongqimba lwe-oxide ezindaweni zensimbi njengamanje kuyinkambu esetshenziswa kakhulu yokuhlanza nge-laser. Ukususwa kokugqwala okuntantayo kudinga ukuminyana kwamandla e-laser aphansi kakhulu, futhi kungafinyelelwa ngokusebenzisa ama-laser anamandla aphezulu kakhulu noma ama-laser amagagasi aqhubekayo anekhwalithi embi ye-beam. Ngokungeziwe kungqimba oluminyene lwe-oxide, ngokuvamile kuyadingeka ukusebenzisa i-laser ye-MOPA enamandla acishe abe yimodi eyodwa acishe abe ngu-1.5mJ enamandla amakhulu. Kwezinye izinto ezingcolisayo, umthombo wokukhanya ofanelekile kufanele ukhethwe ngokuya ngezici zawo zokumunca ukukhanya kanye nokuhlanzeka kalula. STYLECNCUchungechunge lwemishini yokuhlanza i-laser eshaya ngamandla neqhubekayo ifanele ukusetshenziswa kwendawo enkulu yamandla amaholoholo kanye nendawo enhle yamandla ngokulandelana ngokulandelana.
Ngaphansi kwezimo ezifanayo zamandla, ukusebenza kahle kokuhlanza kwama-lasers ashaywayo kuphakeme kakhulu kunaleyo yama-lasers amagagasi aqhubekayo. Ngesikhathi esifanayo, ama-laser ashayayo angakwazi ukulawula kangcono okokufaka kokushisa futhi avimbele izinga lokushisa le-substrate ekubeni liphezulu kakhulu noma lincibilike kancane.
Ama-laser e-CW anenzuzo enanini, futhi angakwazi ukuvala isikhala ekusebenzeni kahle ngamalaser ashaya ngamandla ngokusebenzisa amalaser anamandla amakhulu, kodwa amalaza anamandla e-CW anokufaka okukhulu kokushisa kanye nomonakalo okhuphukile ku-substrate.
Ngakho-ke, kunomehluko oyisisekelo phakathi kwezi-2 ezimweni zohlelo lokusebenza. Ngokunemba okuphezulu, kuyadingeka ukulawula ngokuqinile ukushisa kwe-substrate, futhi izimo zohlelo ezidinga ukuthi i-substrate ingabhubhisi, njengokubunjwa, kufanele ikhethe i-laser pulsed. Kwezinye izakhiwo ezinkulu zensimbi, amapayipi, njll., ngenxa yomthamo omkhulu kanye nokushabalaliswa kokushisa okusheshayo, izidingo zokulimala kwe-substrate aziphezulu, futhi ama-laser amagagasi aqhubekayo angakhethwa.
I-CW Laser Welding VS Pulsed Laser Welding
I-laser welding ukusebenzisa i-laser pulses enamandla amakhulu ukushisa endaweni endaweni encane. Amandla emisebe ye-laser ahlakazeka phakathi kwempahla ngokuqhutshwa kokushisa, futhi impahla iyancibilika ukuze yakhe ichibi elithile elincibilikisiwe. Ukushiswa kwe-laser kuyingxenye ebalulekile yokusetshenziswa kobuchwepheshe bokucubungula impahla ye-laser. Imishini yokushisela i-laser ihlukaniswe ikakhulukazi i-pulse laser welding kanye ne-wave wave laser welding.
I-laser welding ihloselwe kakhulu ukushisela izinto ezinodonga oluncane kanye nezingxenye ezinembayo, futhi ingakwazi ukubona ukushiswa kwe-spot, i-butt welding, i-stitch welding, i-sealing welding, njll., enesici esiphezulu se-aspect ratio, ububanzi be-weld encane, indawo encane ethintekile ukushisa, ukuguqulwa okuncane, kanye nesivinini sokushisela okusheshayo. Umthungo wokushisela uyisicaba futhi muhle, asikho isidingo noma ukwelashwa okulula ngemuva kokushisela, umthungo wokushisela usezingeni eliphezulu, awunazo izimbotshana, ungalawuleka kahle, indawo okugxilwe kuyo incane, ukunemba kokuma kuphezulu, futhi kulula ukuqaphela okuzenzakalelayo.
I-Pulse laser welding isetshenziselwa ikakhulukazi ukushisela indawo kanye nokushisela komthungo wezinto zensimbi zeshidi. Inqubo yokushisela iyingxenye yohlobo lwe-heat conduction, okungukuthi, imisebe ye-laser ishisa ingaphezulu le-workpiece, futhi isakazeka ezintweni ngokusebenzisa ukushisa kokushisa ukulawula i-waveform, ububanzi, amandla aphezulu kanye nemvamisa yokuphindaphinda kwe-laser pulse kanye neminye imingcele. , ukwakha ukuxhumana okuhle phakathi kwama-workpieces. Inzuzo enkulu ye-pulse laser welding yukuthi izinga lokushisa eliphelele le-workpiece lincane, ububanzi obuthintekile ukushisa buncane, futhi ukuguqulwa kwe-workpiece kuncane.
Iningi le-continuous wave laser welding amalaser anamandla amakhulu anamandla angaphezu kwalawo 500W. Ngokuvamile, ama-laser anjalo kufanele asetshenziselwe amapuleti angenhla 1mm. Indlela yayo yokushisela i-welding ejulile yokungena esekelwe kumphumela we-pinhole, ene-aspect ratio enkulu, engafinyelela ngaphezu kuka-5:1, isivinini sokushisela okusheshayo kanye nokuguqulwa okuncane kokushisa. Inezinhlobonhlobo zezicelo emishinini, ezimotweni, emikhunjini nakwezinye izimboni. Kukhona futhi ama-laser e-CW anamandla aphansi anamandla asukela kumashumi kuya kumakhulu wamawathi, asetshenziswa kakhulu ezimbonini zokushisela ipulasitiki nezimboni zokubhula ngelaser.
I-wave wave laser welding yenziwa ikakhulukazi ngokushisa ngokuqhubekayo indawo yokusebenza nge-fiber laser noma i-semiconductor laser. Indlela yayo yokushisela iyi-welding yokungena ejulile esekelwe kumphumela we-pinhole, ene-aspect ratio enkulu kanye nesivinini sokushisela esisheshayo.
I-Pulse laser welding isetshenziselwa kakhulu ukushisela indawo kanye nokushisela ngomthungo wensimbi enezindonga ezincane ezinogqinsi olungaphansi. 1mm. Inqubo yokushisela ingeyohlobo lwe-heat conduction, okungukuthi, imisebe ye-laser ishisa ingaphezulu le-workpiece, bese isakaza ezintweni ngokusebenzisa ukushisa kokushisa. Amapharamitha afana ne-waveform, ububanzi, amandla aphezulu nezinga lokuphindaphinda enza ukuxhumana okuhle phakathi kwezinto zokusebenza. Inenani elikhulu lezicelo kumagobolondo womkhiqizo we-3C, amabhethri e-lithium, izingxenye ze-elekthronikhi, ukukhanda isikhunta nezinye izimboni.
Inzuzo enkulu ye-pulse laser welding yukuthi izinga lokushisa eliphelele le-workpiece lincane, ububanzi obuthintekile ukushisa buncane, futhi ukuguqulwa kwe-workpiece kuncane.
I-laser welding iyi-fusion welding, esebenzisa i-laser beam njengomthombo wamandla futhi inomthelela ekuhlanganyeleni kokushisela. I-laser beam ingaqondiswa into ekhanyayo eyisicaba, njengesibuko, bese ikhonjiswe kumthungo we-weld ngento yokugxila ekhanyayo noma isibuko. Ukushisela nge-laser kuwukushisela okungathinteki, akukho ngcindezi edingekayo ngesikhathi sokusebenza, kodwa igesi ye-inert iyadingeka ukuze kuvinjelwe i-oxidation yechibi elincibilikisiwe, futhi i-filler metal isetshenziswa ngezikhathi ezithile. I-laser welding ingahlanganiswa ne-MIG welding ukwakha i-laser MIG composite welding ukuze kuzuzwe ukushisela okukhulu kokungena, futhi okokufaka ukushisa kuncishiswe kakhulu uma kuqhathaniswa nokushisela kwe-MIG.
