Ukuwelda kweLaser kukujolisa umqadi welaser kumphezulu wesixhobo sokusebenza nge-lens optical, ukuze izinto zinyibilike ngokukhawuleza zenze ichibi elinyibilikisiweyo, emva koko lipholiswe ngokukhawuleza ukwenza idibaniso edityanisiweyo.Ineempawu zomlinganiselo omkhulu, isantya se-welding esikhawulezayo, kunye nokungadibanisi ne-workpiece, ekulula ukufikelela kwimveliso ezenzekelayo, ngoko ke le nkqubo isetyenziswe ngokubanzi.Nangona kunjalo, ngenxa yentsebenziswano eyinkimbinkimbi phakathi komthombo wokushisa we-laser kunye nezinto eziphathekayo ngexesha lenkqubo ye-laser welding, kunye neempawu ezikhethekileyo zomzimba ze-aluminium alloys kunye ne-alloys yobhedu, izinto ezibonisa ukukhanya okuphezulu zinokubonakala okuphezulu kwe-laser ngexesha le-welding, inkqubo ye-welding engazinzanga, kwaye kulula ukuvelisa iziphene ze-porosity, njl.Xa usebenzisa iilaser eziqhelekileyo ukuwelda izinto ezibonisa kakhulu ezifana ne-aluminium kunye nobhedu, ukudilika komngxuma wesitshixo kuya kuvelisa imingxunya emincinci kunye nokutshiza.Ngenxa ye-splashes, i-weld metal iya kuncitshiswa, ibangele imigodi kunye neendawo ezingalinganiyo;ngaphezu koko, ezi zixhobo zine-laser reflectivity ephezulu, Izinga lokufunxa liphantsi, kwaye uninzi lwamandla lubonakaliswa, lukhokelela ekudibaneni okungalunganga kwesihluzi;kwangaxeshanye, ngexesha lenkqubo yokupholisa, ngenxa yesantya sokupholisa ngokugqithisileyo, ukunyibilika kwe-hydrogen kunye nezinye iigesi echibini elinyibilikisiweyo kuncitshiswe kabukhali kwaye kusemva kwexesha ukubaleka, okukhokelela kwiipores.velisa.
Iindlela ze-welding eziphambili zokunciphisa i-spatter kunye ne-porosity
Indlela yokunciphisa i-spatter, ukunciphisa i-porosity, kunye nokufumana i-weld egudileyo bubunzima obukhulu ekudibaniseni izinto ezibonisa ukukhanya okuphezulu.Iinkampani ezininzi zasekhaya nezangaphandle ziye zaqhubeka nokuphonononga lo mba kwaye ziye zasungula iimveliso zazo.
(1) Ukusebenzisa intloko ye-welding ujingi Indlela ye-welding ye-swing inokusasaza ubuninzi bamandla, iphucule ukufana kobushushu be-weld, kunye nokunciphisa ukuveliswa kwe-spatter kunye ne-pores ukuya kumlinganiselo othile.Okwangoku, abavelisi bentloko be-laser abaqhelekileyo (abanje ngeJiaqiang, Wanshunxing, Kirin, njl.) baye basungula iintloko ze-laser welding efanayo.Kodwa kwangaxeshanye, kukho ezinye iingxaki.Ekubeni ubuninzi bamandla belaser buncitshisiwe, amandla kufuneka anyuswe okanye isantya se-welding kufuneka sithotywe.
(2) Sebenzisa intloko ye-welding edibeneyo yokudibanisa i-wavelength ukudibanisa i-fiber laser kunye ne-laser semiconductor kunye nentloko ye-welding ye-welding ye-wavelength ephindwe kabini, kwaye idibanise kwindawo ye-welding.I-fiber laser yenza i-welding enzulu yokungena.Nciphisa ukutshiza.Okwangoku, abavelisi bentloko ye-laser abanjengoJiaqiang kunye noWanshunxing baye basungula iintloko zokuwelda.Nangona kunjalo, le ndlela ye-welding ifuna ukusetyenziswa kwe-laser ezimbini, kwaye ukudibanisa izixhobo kunzima ngakumbi.
(3) I-Laser enendawo ekhethekileyo
Esona sisombululo sinexabiso eliphezulu sikwicala le-laser, ukutshintsha i-laser ye-Gaussian yokusasazwa kwi-ring + yokukhanya okuphakathi, indawo yokukhanya ephakathi iqinisekisa ubunzulu bechibi elinyibilikisiweyo, kwaye indawo yokukhanya kweringi idlala indima yokufudumala kunye nokupholisa okucothayo. ithelekiswa nomgaqo wokuwelda okhankanywe ngasentla we-double-wavelength composite.efanayo.Abavelisi be-laser abaqhelekileyo baye baphehlelela iilaser ezifanayo, ezifana nelaser ye-IPG ye-AMB kunye ne-Raycus' ABP laser.
Yintoni iFRM yeGW Laser Tech
Ukuphendula ubunzima be-welding yezinto ezichazwe ngasentla, i-GW Laser iye yahlola ngokuqhubekayo kwindlela yophuhliso lwezobuchwepheshe, kwaye yasungula ingcali ye-welding ye-high-reflection ye-welding - FRM (i-Flexible Ring Mode) i-laser ye-laser ephumayo eguquguqukayo. inokunciphisa ngokufanelekileyo inkqubo ye-welding yezinto eziphezulu zokubonisa.Ukutshiza kunye nokuveliswa kwe-porosity.
I-FRM laser idibanisa iimodyuli ezimbini ze-optical kumaleko angundoqo kunye ne-ring core layer yefayibha ngokusebenzisa i-coupler elungiselelweyo, idibanisa imiqadi yelaser emibini ibe ngumqadi omnye, emva koko igxininise kumphezulu wendawo yokusebenza ukwenza indawo edibeneyo.Ngokulungelelanisa umlinganiselo ofanelekileyo wamandla, ububanzi obubanzi be-welding kunye ne-low welding seam aspect ratio inokwakheka, enokuphucula ngokufanelekileyo ukuzinza kwe-keyhole, kwaye inokunciphisa kakhulu i-spatter kunye nokunciphisa uvakalelo lwe-stomatal.
I-laser ye-FRM inokulawula ngokungqongqo amandla okukhanya kwe-fiber core kunye ne-ring core light.Inokukhanyisa kuphela isibane esisembindini okanye isibane seringi, okanye zombini zinokuvulwa ngaxeshanye ukuze zenze iindlela ezintathu zebala eliqhelekileyo, i-annular spot, kunye ne-compound spot;ukuba ilayitiwe ngaxeshanye, ingenza Undoqo kunye nombindi weringi unokwenza umbindi wamandla abe mkhulu kunamandla asembindini, okanye umbindi wamandla unokuba ncinane kunamandla asembindini, okanye umbindi wamandla uyalingana. kumandla angundoqo weringi, kwaye iyonke yeemilo zebala ezintlanu ezahlukeneyo zinokutshintshwa.
Ubukhulu bendawo esembindini buncinci kwaye ubuninzi bamandla buphezulu.I-welding isekelwe kwimodi ye-welding yokungena enzulu, eya kuvelisa i-keyhole kwaye yenze i-pool etyhidiweyo kunye ne-aspect ratio enkulu.Nangona kunjalo, ineemfuno eziphezulu kwi-gap ehambelanayo, kunye nexabiso elikhulu lomphunga wensimbi ophezulu we-high-pressure ukhululwa xa i-keyhole yenziwe nge-welding enzulu yokungena, ekulungele ukutshiza kunye namanqaku okuqhuma.Ubushushu bechibi elinyibilikisiweyo liphezulu kwaye ukuhamba kwangaphakathi kunobundlobongela, kwaye ukuguquguquka kwechibi elityhidiweyo kucacile.
Ubukhulu bendawo ye-annular bukhulu kwaye ubuninzi bamandla buncinci.I-welding isekelwe kwindlela yokuqhuba ubushushu, enokuthi yenze i-pool ebanzi etyhidiweyo.Ekubeni i-welding ye-thermal conduction ayifaki umngxuma ongundoqo, ubushushu be-pool etyhidiweyo buphantsi ngexesha lenkqubo ye-welding, kwaye akukho kuguquguquka okucacileyo kwechibi elinyibilikisiweyo.I-Spatter, i-weld ithambile kwaye intle.Nangona kunjalo, ngenxa yobuninzi bamandla ahlakaziweyo, ubunzulu bokungena obukhulu abunakufunyanwa.
Ukudibanisa ezimbini kunye, ngokulungelelanisa umlinganiselo ofanelekileyo wamandla, ngelixa indawo ephakathi iqinisekisa ubunzulu bechibi elityhidiweyo, indawo ye-annular ikwandisa ububanzi kunye nobude be-pool etyhidiweyo, kwelinye icala, iphucula ukuzinza kwe-keyhole kwaye iyanciphisa. ukutshiza Ngakolunye uhlangothi, ukuhamba kwedama elityhidiweyo lizinzile, amaqamza aphuphuma ixesha elide, kwaye amathuba okubunjwa kwe-porosity ayancitshiswa.
I-laser ye-FRM inokubonelela ngamandla aphumayo ukuya kuthi ga kwi-20KW, kwaye inokulungelelanisa ngokuguquguqukayo iiparamitha zokukhanya okuphumayo.Ubukhulu be-fiber yemveliso ye-beam yi-50μm / 150μm, kwaye amandla aphumayo afikelela kwi-10KW;ububanzi befiber yemveliso ye-ring yi-150μm/300μm, kwaye amandla emveliso afikelela kwi-10KW.Umqa ophakathi yilaser yefiber ene-wavelength ye-1070nm, kwaye umqadi weringi unokuxhotyiswa nge-976nm semiconductor laser ukongeza kwi-1070nm fiber laser ukuqonda ukudityaniswa kobumbini-wavelength kunye ne-laser-laser ezimbini.
I-FRM isiphumo esihle kakhulu se-welding
Ukuze ubonise umphumo we-welding ye-FRM, oku kulandelayo kusebenzisa i-laser ye-FRM kunye ne-laser eqhelekileyo ukuwelda ii-alloys ze-aluminium kwaye uzithelekise.
A 1.5KW + 1.5KW (50μm + 150μm) FRM laser wasetyenziselwa weld 6061 aluminiyam ingxubevange kunye ubukhulu 3mm, kwaye xa kuthelekiswa ne 3KW (100μm) laser eqhelekileyo.Inokufunyanwa ngokucacileyo ukuba i-spatter ye-FRM ye-laser welding incinci kakhulu kuneyo ye-laser ye-welding eqhelekileyo.
Iisampulu ezidityanisiweyo zasikwa zavuleka ukuze zijongwe nge-metallographic.Ngenxa yempembelelo yendawo ye-annular, i-weld efunyenwe yi-laser ye-FRM inobubanzi obuphezulu kunye nezantsi imilo emxinwa, kwaye iindawo eziphezulu kunye nezisezantsi zithe tyaba;ngelixa ububanzi be-weld ye-welding ye-laser eqhelekileyo igungxulwa phezulu nasezantsi, kwaye umphezulu ongaphezulu udilikile kwaye umphezulu ongezantsi u-convex.
Amandla okuqina komthungo odityanisiweyo emva kokuwelda avavanyiwe, kwaye amandla okuqina e-FRM welding angcono kunalawo e-laser welding eqhelekileyo.
Usetyenziso olubalulekileyo lweFRM
I-China ithatha izithuthi zamandla amatsha njengenye yamashishini ayo asixhenxe anobuchule.Ekubeni ipakethe yebhetri ye-lithium iyinxalenye ephambili yezithuthi zamandla amatsha, kunye nophuhliso oluqhubekayo lwezithuthi zamandla amatsha, isetyenziswa ngokubanzi kwaye iphuhliswe ngokufanelekileyo.
Ngokwezibalo ezivela kwi-China Research Institute yasePuhua, imfuno yehlabathi jikelele yeebhetri ze-lithium iya kuqhubeka nokunyuka ukusuka kwi-2017 ukuya kwi-2020, kwaye imfuno yezixhobo zebhetri ye-lithium iya kuqhubeka ikhula kwiminyaka eyi-3-5 ezayo.Ukuphuhliswa ngokukhawuleza kweshishini lebhetri ye-lithium kubangele iinkampani ezinkulu zokwandisa ukwakhiwa kweefektri ezintsha kunye nokwandiswa kwamandla okuvelisa.
Ukhuseleko lwebhetri lubaluleke kakhulu.Nje ukuba ukusilela okufanelekileyo kwenzeke, kuya kukhokelela kwiziphumo ezibi kakhulu kwaye kusongele ubomi babantu.Phakathi kwabo, eyona nto idlala indima ebalulekileyo ekukhuseleni izithuthi zombane kukudityaniswa kweendawo eziphambili zebhetri yebhetri.Eyona nto ibaluleke kakhulu kwezi zikhundla yi-aluminium alloy, kubandakanywa iivalve-proof-proof valves, i-cell seals, iithebhu, imivalo yebhasi, njl.;kulandelwa izinto zeCopper, ezifana nezibonda, iithebhu, njl. Umgangatho we-welding wezi zikhundla uya kuchaphazela ngokuthe ngqo ukuthembeka komgangatho webhetri yepakethe.
Ukudibanisa iindawo ezahlukeneyo zebhetri yamandla, i-laser ye-FRM isebenzisa i-Guanghui Laser inokusombulula ngokufanelekileyo ingxaki ye-welding, ibone i-zero spatter kwi-welding, akukho pores phezu komhlaba, ukungena okuzinzile, i-welding seam egudileyo kunye nenhle, iphucula kakhulu umgangatho wokuwelda. , kwaye uqinisekise ngokufanelekileyo ukuzinza kwebhetri yamandla.Ukwabelana ngesondo kunye nokhuseleko.
Ukuguqulwa kwemarike yemoto yehlabathi ukuya kumbane yindlela eqhelekileyo, kwaye phantsi kolu phuhliso jikelele, ibophelelekile ukubeka phambili iimfuno eziphezulu zeteknoloji ye-lithium-ion welding, kunye nokulungiswa kwebhetri ye-lithium-ion ibe yimarike ebalulekileyo yelaser yasekhaya. iinkampani.I-Guanghui Laser iya kuqhubeka nokwenza imizamo kwintsimi ye-lithium ye-welding battery.Ngokwenza izinto ezintsha ezizimeleyo, uhlaziyo lwelaser luya kwenziwa ukunceda abathengi baphucule iinkqubo zokuwelda kunye nokuphucula ukhuseleko lwemveliso kunye nokhuphiswano.
Umbhali:Injineli yesicelo se-GW Laser uJiaxing Gu
Ixesha lokuposa: Feb-15-2022