Menene waldawar Laser?An Bayyana Welding Laser!Duk abin da kuke buƙatar sani game da Welding Laser, gami da ka'ida mai mahimmanci da mahimman sigogin tsari!
Yawancin abokan ciniki ba su fahimci ainihin ka'idodin aiki na na'ura na walƙiya na laser ba, balle zabar na'urar walƙiya mai dacewa, duk da haka Mimowork Laser yana nan don taimaka maka yanke shawara mai kyau da kuma samar da ƙarin goyon baya don taimaka maka fahimtar walƙiya laser.
Menene Laser Welding?
Laser waldi wani nau'i ne na narkewar walda, ta yin amfani da katako na Laser azaman tushen zafi mai walƙiya, ka'idar walda ita ce ta takamaiman hanyar don ta da matsakaici mai aiki, samar da resonant cavity oscillation, sa'an nan kuma canza zuwa cikin ƙararrakin radiation, lokacin da katako. kuma yanki na aikin yana tuntuɓar juna, makamashi yana ɗaukar nauyin aikin, lokacin da zafin jiki ya kai ga narkewar kayan za a iya welded.
Bisa ga babbar hanyar waldawa pool, Laser waldi yana da asali biyu na asali hanyoyin waldi: zafi conduction waldi da zurfin shigar azzakari cikin farji (keyhole) waldi.Zafin da ake samu ta hanyar walƙiya mai zafi yana bazuwa zuwa yanki na aikin ta hanyar canja wurin zafi, don haka fuskar walda ta narke, babu wani vaporization da ya kamata ya faru, wanda galibi ana amfani da shi a cikin walda na ƙananan ƙananan sassa na bakin ciki-ish.Haɗin walda mai zurfi yana vaporizes kayan kuma ya samar da adadi mai yawa na plasma.Saboda tsananin zafi, za a sami ramuka a gaban narkakken tafkin.Walƙiya mai zurfi mai zurfi shine yanayin walƙiyar laser da aka fi amfani dashi, yana iya walda kayan aikin sosai, kuma ƙarfin shigarwar yana da girma, yana haifar da saurin walda.
Tsari Tsari a cikin waldawar Laser
Akwai da yawa tsari sigogi da shafi ingancin Laser waldi, kamar ikon yawa, Laser bugun jini waveform, defocusing, waldi gudun da kuma zabi na karin garkuwa gas.
Ƙarfin Ƙarfin Laser
Ƙarfin ƙarfi yana ɗaya daga cikin mahimman sigogi a cikin sarrafa Laser.Tare da mafi girman ƙarfin ƙarfin, za a iya yin zafi a saman Layer zuwa wurin tafasa a cikin wani microsecond, yana haifar da babban adadin vaporization.Saboda haka, babban iko mai yawa yana da fa'ida don tafiyar matakai na cire kayan kamar hakowa, yankan da sassaka.Don ƙarancin ƙarfin ƙarfi, yana ɗaukar millise seconds da yawa don zafin jiki don isa wurin tafasa, kuma kafin saman ya yi vaporize, ƙasa ta kai wurin narkewa, wanda ke da sauƙin samar da walƙiyar narkewa mai kyau.Saboda haka, a cikin nau'i na zafi conduction Laser waldi, da ikon yawa kewayon ne 104-106W / cm2.
Laser Pulse Waveform
Laser pulse waveform ba kawai muhimmin ma'auni ba ne don bambance cire kayan daga narkewar abu, amma har ma da mahimmin siga don ƙayyade girma da farashin kayan aiki.Lokacin da babban ƙarfin Laser katako da aka harbe zuwa saman kayan, saman kayan zai sami 60 ~ 90% na makamashin Laser da aka nuna kuma an yi la'akari da asarar, musamman zinariya, azurfa, jan karfe, aluminum, titanium da sauran kayan da suke da su. tunani mai ƙarfi da saurin canja wuri mai zafi.Nunin ƙarfe ya bambanta da lokaci yayin bugun bugun laser.Lokacin da yanayin zafi na kayan ya tashi zuwa wurin narkewa, tunani yana raguwa da sauri, kuma lokacin da yanayin ya kasance a cikin yanayin narkewa, tunani yana daidaitawa a wani darajar.
Laser Nisa Pulse
Pulse nisa shine muhimmin siga na waldawar laser pulsed.An ƙaddara faɗin bugun bugun jini ta zurfin shiga da yankin da zafi ya shafa.Tsawon tsayin bugun bugun jini ya kasance, mafi girman yankin da zafin ya shafa ya kasance, kuma zurfin shigar ya karu tare da ikon 1/2 na fadin bugun bugun jini.Duk da haka, karuwar bugun bugun jini zai rage ƙarfin kololuwa, don haka haɓakar nisa na bugun jini gabaɗaya ana amfani da shi don waldawar zafin zafi, wanda ke haifar da girman walda mai faɗi da mara zurfi, musamman dacewa da walƙar cinya na faranti na bakin ciki da kauri.Koyaya, ƙananan ƙarfin kololuwa yana haifar da shigarwar zafi da yawa, kuma kowane abu yana da mafi kyawun faɗin bugun bugun jini wanda ke ƙara zurfin shigar.
Defocus Quantity
Waldawar Laser yawanci yana buƙatar takamaiman adadin defocusing, saboda ƙarfin ƙarfin cibiyar tabo a cikin mayar da hankali na Laser ya yi yawa, wanda ke da sauƙin ƙafe kayan walda cikin ramuka.Rarraba yawan wutar lantarki yana da ɗanɗano iri ɗaya a cikin kowane jirgin sama daga mayar da hankali kan laser.
Akwai hanyoyin defocus guda biyu:
Kiyayewa mai kyau da mara kyau.Idan mai da hankali jirgin sama yana sama da workpiece, shi ne tabbatacce defocus;in ba haka ba, yana da korau defocus.A cewar ka'idar na gani na geometric, lokacin da nisa tsakanin tabbatacce da korau defocusing jirage da waldi jirgin ne daidai, da ikon yawa a kan daidai jirgin ne kamar guda, amma a gaskiya, samu narkakkar pool siffar ne daban-daban.A cikin yanayin defocus mara kyau, ana iya samun mafi girma shiga ciki, wanda ke da alaƙa da tsarin samar da narkakken tafkin.
Gudun walda
Welding gudun kayyade waldi surface ingancin, shigar azzakari cikin farji zurfin, zafi shafi yankin da sauransu.Gudun walda zai shafi shigar da zafi a kowane lokaci naúrar.Idan walda gudun ne ma jinkirin, da zafi shigar ne da yawa, sakamakon a cikin workpiece kona ta hanyar.Idan waldi gudun ne da sauri, da zafi shigarwar ne ma kadan, sakamakon a cikin workpiece waldi partially kuma ba a gama.Ana amfani da rage saurin walda don inganta shigar.
Gas Kariyar Kariya na Busa
Gas kariyar busawa hanya ce mai mahimmanci a cikin walƙiya mai ƙarfi na Laser.A gefe guda, don hana kayan ƙarfe daga sputter da kuma gurɓata madubin mai da hankali;A gefe guda, shine don hana ƙwayar plasma da aka samar a cikin tsarin waldawa daga mayar da hankali da yawa da kuma hana laser daga kai saman kayan.A kan aiwatar da walƙiya Laser, helium, argon, nitrogen da sauran iskar gas sau da yawa amfani da su kare narkakkar pool, don haka kamar yadda su hana workpiece daga hadawan abu da iskar shaka a cikin walda injiniyoyi.Abubuwa irin su nau'in iskar gas mai kariya, girman iskar iska da kusurwar busawa suna da tasiri sosai akan sakamakon walda, kuma hanyoyin busawa daban-daban kuma za su sami wani tasiri akan ingancin walda.
Shawarar Laser Welder na Hannunmu:
Laser Welder - Yanayi Aiki
◾ Yanayin yanayin aiki: 15 ~ 35 ℃
◾ Yanayin zafi na yanayin aiki: <70% Babu kwandon shara
◾ Cooling: ruwa mai sanyaya ya zama dole saboda aikin cirewar zafi don abubuwan da ke lalata zafi na Laser, tabbatar da walda laser yana gudana da kyau.
(Cikakken amfani da jagora game da ruwan sanyi, zaku iya bincika:Matakan tabbatar daskarewa don tsarin Laser CO2)
Kuna son ƙarin sani game da Welders Laser?
Lokacin aikawa: Dec-22-2022