Iibhetri ze-aluminium ze-square ze-lithium zineenzuzo ezininzi ezifana nesakhiwo esilula, ukuchasana kwempembelelo efanelekileyo, ukuxinana kwamandla aphezulu, kunye nomthamo omkhulu weeseli. Bahlala beyeyona ndlela iphambili yokwenziwa kwebhetri ye-lithium yasekhaya kunye nophuhliso, ibalwa ngaphezu kwe-40% yemarike.
Ulwakhiwo lwe-square aluminiyam iqokobhe i-lithium ibhetri njengoko kubonisiwe kumzobo, oqulunqwe ngundoqo webhetri (amaphepha e-electrode afanelekileyo kunye ne-negative, i-separator), i-electrolyte, iqokobhe, i-cover top kunye nezinye izinto.
Isikwere se-aluminium iqokobhe le-lithium ibhetri yesakhiwo
Ngexesha lokwenziwa kunye nenkqubo yokuhlanganisa i-square aluminium shell lithium iibhetri, inani elikhuluwelding laseriinkqubo ezifunekayo, ezifana: ukuwelda uqhagamshelo ethambileyo iiseli ibhetri kunye neepleyiti cover, ipleyiti yokutywina ukutywina ukuwelda, ukutywina ukuwelda iinzipho, njl. Ngenxa yoxinano lwamandla aphezulu, uzinzo oluhle lwamandla, ukuchaneka okuphezulu kwe-welding, ukudityaniswa okucwangcisiweyo ngokulula kunye nezinye izibonelelo ezininzi,welding laserayinakuphinda ithathelwe indawo kwinkqubo yokuvelisa iibhetri zeprismatic aluminium iqokobhe le-lithium. indima.
Maven 4-axis oluzenzekelayo iqonga galvanometerfiber laser welding machine
Umthungo wokuwelda wetywina elingaphezulu letywina lelona cala lide lokuwelda kwibhetri yealuminiyam yesikwere, kwaye ikwangumthungo wokuwelda othatha ixesha elide ukuwelda. Kwiminyaka yakutshanje, ishishini lokuvelisa ibhetri ye-lithium liphuhliswe ngokukhawuleza, kwaye iteknoloji yenkqubo yokutywina i-laser yokutywina kunye neteknoloji yezixhobo zayo ziphuhliswe ngokukhawuleza. Ngokusekwe kwisantya esahlukileyo sokuwelda kunye nokusebenza kwezixhobo, sahlulahlula ngokungqongqo izixhobo zokuwelda ze-laser kunye neenkqubo zibe ngamaxesha amathathu. Ziyi-1.0 era (2015-2017) kunye nesantya se-welding <100mm / s, ixesha le-2.0 (2017-2018) kunye ne-100-200mm / s, kunye nexesha le-3.0 (2019-) kunye ne-200-300mm / s. Oku kulandelayo kuya kwazisa uphuhliso lwetekhnoloji ecaleni kwendlela yamaxesha:
1. Ixesha le-1.0 letekhnoloji ye-laser welding ephezulu yokugubungela
Isantya sokuwelda＜100mm/s
Ukususela kwi-2015 ukuya kwi-2017, izithuthi zamandla amatsha asekhaya zaqala ukuqhuma ngokuqhutywa yimigaqo-nkqubo, kwaye imboni yebhetri yamandla yaqala ukwanda. Nangona kunjalo, ukuqokelelwa kwetekhnoloji kunye nokugcinwa kweetalente kumashishini asekhaya kusencinci. Inkqubo yokwenziwa kwebhetri enxulumeneyo kunye nobuchwepheshe bezixhobo zikwasebusaneni, kunye nenqanaba lezixhobo ezizenzekelayo Ngokwentelekiso ephantsi, abavelisi bezixhobo sele beqalisile ukunikela ingqalelo kwimveliso yebhetri yamandla kunye nokwandisa utyalo-mali kuphando nophuhliso. Kweli nqanaba, iimfuno zemveliso yemveliso yezixhobo zokutywina ze-laser yesikweri zihlala ziyi-6-10PPM. Isisombululo sesixhobo sikholisa ukusebenzisa i-1kw fiber laser ukukhupha ngendlela eqhelekileyointloko laser welding(njengoko kuboniswe kumfanekiso), kwaye intloko ye-welding iqhutywa yi-servo platform motor okanye i-motor linear. Ukuhamba kunye ne-welding, isantya se-welding 50-100mm / s.
Ukusebenzisa i-laser eyi-1kw ukuwelda isiseko sebhetri esingaphezulu
Kwiwelding laserInkqubo, ngenxa yesantya esisezantsi se-welding kunye nexesha elide lomjikelo we-thermal we-weld, ichibi elityhidiweyo linexesha elaneleyo lokuhamba kwaye liqina, kwaye igesi ekhuselayo inokugubungela ngcono ichibi elityhidiweyo, okwenza kube lula ukufumana i-gudile kwaye umphezulu ogcweleyo, iiwelds kunye nokuhambelana okuhle, njengoko kubonisiwe ngezantsi.
Weld umthungo wenzela ukuwelda ngesantya esisezantsi sekhava ephezulu
Ngokubhekiselele kwizixhobo, nangona ukusebenza kakuhle kwemveliso akukho phezulu, isakhiwo sesixhobo silula, uzinzo lulungile, kwaye iindleko zezixhobo ziphantsi, ezihlangabezana kakuhle neemfuno zophuhliso lweshishini kweli nqanaba kwaye libeka isiseko seteknoloji elandelayo. uphuhliso.
Nangona i-top cover sealing welding 1.0 era ineenzuzo zesisombululo sesixhobo esilula, ixabiso eliphantsi, kunye nokuzinza okuhle. Kodwa imida yayo yendalo nayo ibonakala kakhulu. Ngokwezixhobo, amandla okuqhuba iimoto azikwazi ukuhlangabezana nemfuno yokwanda kwesantya; ngokwethekhnoloji, ukwandisa nje isantya welding kunye laser amandla imveliso ukuqhubela phambili isantya kuya kubangela ukungazinzi kwinkqubo welding kunye nokuncipha isivuno: ukwanda isantya kunciphisa ixesha umjikelo welding thermal, kunye nentsimbi Inkqubo yokunyibilika kakhulu, ukwanda kwe-spatter, ukuziqhelanisa nokungcola kuya kuba kubi kakhulu, kwaye imingxuma yokutshiza inokwenzeka ukuba yenze. Ngexesha elifanayo, ixesha lokuqinisa i-pool etyhidiweyo lifutshane, eliya kubangela ukuba indawo ye-weld ibe yingozi kwaye ukuhambelana kuncitshiswe. Xa indawo ye-laser incinci, igalelo lobushushu alikho likhulu kwaye i-spatter ingancitshiswa, kodwa ubungakanani obunzulu ukuya kububanzi be-weld bukhulu kwaye ububanzi be-weld akwanele; xa indawo ye-laser inkulu, amandla amakhulu e-laser kufuneka afakwe ukunyusa ububanzi be-weld. Enkulu, kodwa kwangaxeshanye iya kukhokelela ekunyukeni kwe-welding spatter kunye nomgangatho ombi wokwenza umgangatho we-weld. Ngaphantsi kwenqanaba lobuchwephesha kweli nqanaba, ukukhawuleza okuthe kratya kuthetha ukuba isivuno kufuneka sitshintshwe ukuze sisebenze kakuhle, kwaye iimfuno zokuphucula izixhobo kunye neteknoloji yenkqubo ibe yimfuno yoshishino.
2. Ixesha le-2.0 lekhava ephezuluwelding laseriteknoloji
Isantya seWelding 200mm/s
Ngo-2016, umthamo ofakiweyo waseTshayina weebhetri zamandla emoto wawumalunga ne-30.8GWh, ngo-2017 wawumalunga ne-36GWh, kwaye ngo-2018, uqhushumbo olungaphezulu, umthamo ofakiweyo wafikelela kwi-57GWh, ukonyuka konyaka ngonyaka ngama-57%. Iimoto zabakhweli zamandla amatsha nazo zivelise phantse isigidi esinye, ukonyuka konyaka nonyaka ngama-80.7%. Emva kogqabhuko-dubulo kumthamo ofakelweyo kukukhululwa komthamo wokuvelisa ibhetri ye-lithium. Ibhetri yemoto yabakhweli yamandla amatsha yenza ngaphezulu kwe-50% yomthamo ofakiweyo, okukwathetha ukuba iimfuno zeshishini ekusebenzeni kwebhetri kunye nomgangatho ziya kuba nzima ngakumbi, kwaye uphuculo olukhaphayo kwitekhnoloji yezixhobo zokuvelisa kunye neTekhnoloji yeNkqubo nayo ingene kwixesha elitsha. : ukuze kuhlangatyezwane neemfuno zomthamo wemveliso yomgca omnye, umthamo wemveliso wesixhobo sokuwelda i-laser kufuneka unyuswe ukuya kutsho kwi-15-20PPM, kwayewelding laserisantya kufuneka sifikelele kwi-150-200mm/s. Ke ngoko, ngokweemoto zokuqhuba, abavelisi bezixhobo ezahlukeneyo baye baphuculwa iqonga lemoto ukuze intshukumo yayo ihambelane neemfuno zentshukumo yendlela yongxande 200mm/s isantya sokuwelda iyunifomu; nangona kunjalo, indlela yokuqinisekisa umgangatho we-welding phantsi kwe-welding-speed-speed welding ifuna ukuqhubela phambili kwenkqubo, kwaye iinkampani ezikushishino ziye zaqhuba uphando oluninzi kunye nezifundo: Xa kuthelekiswa nexesha le-1.0, ingxaki ejongene ne-welding ephezulu kwixesha le-2.0 yile: usebenzisa iilaser zefiber eziqhelekileyo zokuvelisa indawo enye yokukhanya ngokusebenzisa iintloko ze-welding eziqhelekileyo, ukukhetha kunzima ukuhlangabezana nemfuno ye-200mm / s.
Kwisisombululo sokuqala sobugcisa, isiphumo sokwenza i-welding inokulawulwa kuphela ngokuqwalasela iinketho, ukulungelelanisa ubungakanani bendawo, kunye nokulungelelanisa iiparitha ezisisiseko ezifana namandla e-laser: xa usebenzisa uqwalaselo olunendawo encinci, i-keyhole ye-welding pool iya kuba yincinci. , ukumila kwedama kuya kungazinzi, kwaye i-welding iya kuzinza. Ububanzi bokudibanisa umthungo bukwancinci; xa usebenzisa ukucwangciswa kunye nendawo enkulu yokukhanya, i-keyhole iya kwanda, kodwa amandla e-welding aya kwandiswa kakhulu, kwaye i-spatter kunye ne-blast hole rates iya kwandiswa kakhulu.
Ngokwethiyori, ukuba ufuna ukuqinisekisa isiphumo sokwenza i-weld yesantya esiphezuluwelding laserkwikhava ephezulu, kufuneka ufezekise ezi mfuno zilandelayo:
① Umthungo we-welding unobubanzi obaneleyo kunye ne-welding ye-welding ye-death-to-width ratio ifanelekile, efuna ukuba uluhlu lwesenzo sobushushu somthombo wokukhanya sikhulu ngokwaneleyo kwaye amandla omgca we-welding angaphakathi koluhlu olufanelekileyo;
② I-weld igudileyo, efuna ixesha lokujikeleza kwe-thermal ye-weld ukuba libe lide ngokwaneleyo ngexesha lenkqubo ye-welding ukwenzela ukuba i-pool etyhidiweyo ibe ne-fluidity eyaneleyo, kwaye i-weld iqina kwi-weld yentsimbi egudileyo phantsi kokhuseleko lwegesi yokukhusela;
③ Umthungo we-weld unokuhambelana kakuhle kunye nemingxuma embalwa kunye nemingxuma. Oku kufuna ukuba ngexesha lenkqubo ye-welding, i-laser isebenza ngokuzinzileyo kwi-workpiece, kwaye i-plasma ye-high-energy beam yenziwa ngokuqhubekayo kwaye isebenza ngaphakathi kwi-pool etyhidiweyo. Idama elinyibilikisiweyo livelisa "isitshixo" phantsi kwe-plasma reaction force. "umngxuma", umngxuma wesitshixo mkhulu ngokwaneleyo kwaye uzinze ngokwaneleyo, ukwenzela ukuba umphunga wesinyithi owenziweyo kunye neplasma akulula ukuwukhupha kwaye ukhuphe amathontsi esinyithi, ukwenza i-splashes, kunye nedama elityhidiweyo elijikeleze umngxuma wesitshixo akukho lula ukudilika kunye nokubandakanya igesi. . Nangona izinto zangaphandle zitshiswa ngexesha lenkqubo ye-welding kunye neegesi zikhutshwa ngokuqhushumba, i-keyhole enkulu ikulungele ukukhutshwa kweegesi eziqhumayo kunye nokunciphisa i-spatter yesinyithi kunye nemingxuma eyenziwe.
Ukuphendula kula manqaku angasentla, iinkampani zokuvelisa iibhetri kunye neenkampani zokuvelisa izixhobo kwishishini zenze iinzame ezahlukeneyo kunye nezenzo: Ukuveliswa kwebhetri yeLithium kuye kwaphuhliswa eJapan amashumi eminyaka, kwaye ubugcisa bokuvelisa obuhambelanayo bukhokele.
Kwi-2004, xa iteknoloji ye-fiber laser yayingekasetyenziswa ngokubanzi ngokurhweba, i-Panasonic yasebenzisa i-LD semiconductor lasers kunye ne-pulse isibane-pumped i-YAG lasers kwimveliso edibeneyo (isikimu siboniswe kumfanekiso ongezantsi).
Isicwangciso somzobo weteknoloji ye-welding ye-laser hybrid kunye nesakhiwo sentloko ye-welding
Indawo yokukhanya yoxinano lwamandla aphezulu eveliswa yipulsedYAG laserkunye nebala elincinci lisetyenziselwa ukwenza umsebenzi kwi-workpiece ukuvelisa imingxuma ye-welding ukufumana ukungena okwaneleyo kwe-welding. Ngelo xesha, i-laser ye-LD semiconductor isetyenziselwa ukubonelela nge-CW eqhubekayo ye-laser ukutshisa kwangaphambili kunye ne-weld workpiece. Idama elinyibilikisiweyo ngexesha lenkqubo ye-welding linika amandla amaninzi okufumana imingxuma enkulu yokuwelda, ukwandisa ububanzi be-welding seam, kunye nokwandisa ixesha lokuvala imingxunya ye-welding, inceda igesi echibini elityhidiweyo ukubaleka kunye nokunciphisa i-porosity ye-welding. umthungo, njengoko kubonisiwe ngezantsi
Umzobo weSchematic of hybridwelding laser
Ukusebenzisa le teknoloji,I lasers YAGkunye neelases ze-LD ezinamakhulu ambalwa eewatts zamandla zinokusetyenziselwa ukuwelda iimeko zebhetri ze-lithium ezibhityileyo ngesantya esiphezulu se-80mm/s. Umphumo we-welding njengoko kuboniswe kumzobo.
I-Weld morphology phantsi kweeparamitha zenkqubo ezahlukeneyo
Ngophuhliso kunye nokunyuka kwe-fiber lasers, iilaser zefayibha ziye zatshintsha ngokuthe ngcembe ii-laser ze-YAG kwi-laser ye-laser processing ngenxa yeenzuzo zazo ezininzi ezinjengomgangatho olungileyo we-beam, ukusebenza kakuhle kokuguqulwa kweefoto zombane, ubomi obude, ukugcinwa lula, kunye namandla aphezulu.
Ke ngoko, indibaniselwano ye-laser kwisisombululo se-laser hybrid welding engasentla iye yavela kwi-fiber laser + LD semiconductor laser, kwaye i-laser ikwaphuma nge-coaxially ngentloko ekhethekileyo yokucubungula (intloko yokuwelda iboniswe kuMfanekiso 7). Ngethuba lenkqubo ye-welding, i-laser action mechanism iyafana.
Umdibaniso we-laser welding joint
Kwesi sicwangciso, i-pulsedYAG laserithathelwa indawo yi-laser yefiber enomgangatho ongcono we-beam, amandla amakhulu, kunye nemveliso eqhubekayo, eyandisa kakhulu isantya se-welding kwaye ifumana umgangatho ongcono we-welding (umphumo we-welding uboniswe kuMfanekiso 8). Esi sicwangciso kwakhona Ngoko ke, ithandwa ngabanye abathengi. Okwangoku, esi sisombululo sisetyenziswe ekuveliseni ibhetri yamandla engaphezulu kwekhava yokutywina, kwaye inokufikelela kwisantya se-welding ye-200mm / s.
Inkangeleko yekhava ephezulu weld nge hybrid laser welding
Nangona isisombululo se-welding ye-laser ye-weld ye-weld sombulula ukuzinza kwe-weld ye-welding ephezulu kwaye ihlangabezana neemfuno zomgangatho we-weld we-welding ye-high-speed ye-welding ye-cell cell covers, kusekho iingxaki zesi sisombululo ngokwembono yezixhobo kunye nenkqubo.
Okokuqala, amacandelo e-hardware esi sisombululo anzima kakhulu, afuna ukusetyenziswa kweentlobo ezimbini ezahlukeneyo ze-laser kunye ne-laser ye-welding ye-laser edibeneyo ye-wavelength edibeneyo, eyandisa iindleko zotyalo-mali lwezixhobo, yandisa ubunzima bokugcinwa kwezixhobo, kunye nokwandisa ukusilela kwezixhobo ezinokuthi zibekho. amanqaku;
Okwesibini, i-double-wavelengthwelding laserI-joint esetyenzisiweyo yenziwe ngeeseti ezininzi zeelensi (jonga uMfanekiso 4). Ilahleko yamandla inkulu kuneyo yokudibanisa i-welding eqhelekileyo, kwaye indawo ye-lens idinga ukulungiswa kwindawo efanelekileyo ukuze kuqinisekiswe ukukhutshwa kwe-coaxial ye-laser ye-wavelength ephindwe kabini. Kwaye kugxininise kwinqwelomoya egxininisekileyo, ukusebenza kwexesha elide lesantya esiphezulu, indawo ye-lens inokukhululeka, ibangele utshintsho kwindlela ye-optical kunye nokuchaphazela umgangatho we-welding, efuna ukulungiswa kwakhona kwe-manual;
Okwesithathu, ngexesha le-welding, i-laser reflection inzima kwaye inokonakalisa ngokulula izixhobo kunye namacandelo. Ngokukodwa xa kulungiswa iimveliso ezineziphene, i-weld surface egudileyo ibonisa ubuninzi bokukhanya kwe-laser, okunokubangela lula i-alamu ye-laser, kunye neeparitha zokucubungula kufuneka zilungiswe ukulungiswa.
Ukuze sisombulule ezi ngxaki zingentla, kufuneka sifumane enye indlela yokuhlola. Ngo-2017-2018, safunda i-high-frequency swingwelding laseritekhnoloji yesigqubuthelo esingaphezulu sebhetri kwaye yakhuthazwa ukuba isetyenziswe kwimveliso. I-laser beam high-frequency swing welding (emva koku ekubhekiselwa kuyo njenge-welding ye-swing) yenye inkqubo ye-welding yangoku ye-200mm / s.
Xa kuthelekiswa nesisombululo se-hybrid laser welding, inxalenye ye-hardware yesi sisombululo ifuna kuphela i-laser ye-fiber eqhelekileyo edityaniswa nentloko ye-laser welding oscillating.
intloko ehexayo yokuwelda
Kukho i-lens ye-motor-driven reflective lens ngaphakathi kwentloko ye-welding, enokuthi icwangciswe ukulawula i-laser ukuba ijingi ngokohlobo oluyiliweyo lwe-trajectory (ngokuqhelekileyo isetyhula, i-S-shaped, i-8-shaped, njl.), i-swing amplitude kunye ne-frequency. Iiparameters ze-swing ezahlukeneyo zingenza i-welding cross section Iza kwiimilo ezahlukeneyo kunye nobukhulu obahlukeneyo.
I-Welds efunyenwe phantsi kweendlela ezahlukeneyo zokujingi
Intloko ye-welding ye-high-frequency swing iqhutywa yi-motor ye-linear ukuba idibanise kunye nomsantsa phakathi kwezinto zokusebenza. Ngokobunzima bodonga lweqokobhe leseli, uhlobo olufanelekileyo lwe-swing trajectory kunye ne-amplitude ikhethiwe. Ngexesha le-welding, i-static laser beam iya kwenza kuphela i-V-shaped weld cross section. Nangona kunjalo, iqhutywe yintloko ye-welding ye-welding, i-beam spot ijika ngesantya esiphezulu kwinqwelo-moya egxininisekileyo, isenza i-keyhole ye-welding eguqukayo kunye ejikelezayo, enokufumana umlinganiselo ofanelekileyo we-weld-to-width ratio;
Umngxuma wokuwelda ojikelezayo uvuselela i-weld. Ngakolunye uhlangothi, inceda ukuphunyuka kwegesi kunye nokunciphisa i-weld pores, kwaye ibe nefuthe elithile ekulungiseni i-pinholes kwindawo yokuqhuma kwe-weld (jonga umfanekiso we-12). Ngakolunye uhlangothi, i-weld metal ifudunyezwa kwaye ipholile ngendlela ehlelekile. Ukujikeleza kwenza ukuba umphezulu we-weld ubonakale ungumzekelo oqhelekileyo kunye nocwangcisiweyo wesikali seentlanzi.
Ukwenza umthungo we-welding
Ukuguquguquka kwee-welds ukupeyinta ukungcoliseka phantsi kweeparameters zokujingi ezahlukeneyo
La manqaku angentla ahlangabezana neemfuno ezintathu ezisisiseko zomgangatho we-welding yesantya esiphezulu sekhava ephezulu. Esi sisombululo sinezinye iingenelo:
① Kuba uninzi lwamandla e-laser lufakwe kwi-keyhole eguquguqukayo, i-laser esasazekileyo yangaphandle iyancitshiswa, ngoko ke kuphela amandla amancinci e-laser afunekayo, kwaye igalelo lobushushu be-welding liphantsi kakhulu (ngama-30% ngaphantsi kwe-welding edibeneyo), enciphisa izixhobo. ilahleko kunye nokulahleka kwamandla;
② Indlela ye-welding ye-swing ine-adaptation ephezulu kumgangatho wendibano ye-workpieces kunye nokunciphisa iziphene ezibangelwa iingxaki ezifana namanyathelo okuhlanganisa;
③Indlela ye-weld ye-welding inesiphumo esinamandla sokulungisa kwimingxunya ye-weld, kwaye izinga lesivuno sokusebenzisa le ndlela ukulungisa imingxuma engundoqo yebhetri iphezulu kakhulu;
④Isistim ilula, kwaye izixhobo zokucoca kunye nokugcinwa zilula.
3. Ixesha le-3.0 leteknoloji ye-laser welding ephezulu yokugubungela
Isantya seWelding 300mm/s
Njengoko izibonelelo zamandla amatsha ziqhubeka nokuhla, phantse lonke ikhonkco loshishino lweshishini lokwenziwa kweebhetri liwele kulwandle olubomvu. Ishishini likwangene kwixesha lohlenga-hlengiso, kwaye umyinge weenkampani ezikhokelayo ezinomlinganiselo kunye neenzuzo zetekhnoloji ziye zanda ngakumbi. Kodwa kwangaxeshanye, “ukuphucula umgangatho, ukunciphisa iindleko, nokwandisa ukusebenza kakuhle” kuya kuba ngumxholo ophambili weenkampani ezininzi.
Ngexesha lenkxaso-mali ephantsi okanye engekhoyo, kuphela ngokufezekisa ukuphuculwa okuphindaphindiweyo kobuchwepheshe, ukufikelela kwimveliso ephezulu, ukunciphisa iindleko zokuvelisa ibhetri enye, kunye nokuphucula umgangatho wemveliso sinokuba nethuba elongezelelweyo lokuphumelela kukhuphiswano.
I-Laser ye-Han iyaqhubeka nokutyala imali kuphando kwitekhnoloji ye-welding ekhawulezayo yeeseli zebhetri ezigubungelayo. Ukongeza kwiindlela ezininzi zenkqubo eziziswe ngasentla, ikwafunda ubugcisa obuphambili obufana netekhnoloji yokuwelda i-annular spot laser kunye ne-galvanometer ye-laser welding technology ye-bettery cover covers top.
Ukuze uphucule ngakumbi ukusebenza kakuhle kwemveliso, jonga itekhnoloji ye-welding ephezulu kwi-300mm / s kunye nesantya esiphezulu. I-Laser ye-Han yafunda ukuskena i-galvanometer laser welding ukutywinwa ngo-2017-2018, ukutyhoboza ubunzima bobugcisa bokukhusela igesi enzima ye-workpiece ngexesha le-galvanometer welding kunye ne-weld embi yokwenza umphezulu we-weld, kunye nokuphumeza i-400-500mm / s.welding laseryesel cover ngaphezulu. I-Welding ithatha i-1 yesibini kuphela kwibhetri ye-26148.
Nangona kunjalo, ngenxa yokusebenza okuphezulu, kunzima kakhulu ukuphuhlisa izixhobo ezixhasayo ezihambelana nokusebenza kakuhle, kwaye iindleko zezixhobo ziphezulu. Ke ngoko, alukho olunye uphuhliso lwesicelo sorhwebo olwenziweyo kwesi sisombululo.
Ngophuhliso olongezelelweyo lweifayibha laseritekhnoloji, iilaser ezintsha zefayibha ezinamandla ezinokukhupha ngokuthe ngqo amabala okukhanya amise okwesangqa ziye zasungulwa. Olu hlobo lwe-laser lunokukhupha amabala e-laser point-ring ngokusebenzisa imicu ekhethekileyo ye-multi-layer optical, kunye nemilo yebala kunye nokuhanjiswa kwamandla kunokulungiswa, njengoko kubonisiwe kumfanekiso.
I-Welds efunyenwe phantsi kweendlela ezahlukeneyo zokujingi
Ngohlengahlengiso, ukuhanjiswa koxinzelelo lwamandla e-laser kunokwenziwa kwimilo ye-donut-tophat. Olu hlobo lwelaser lubizwa ngokuba yiCorona, njengoko kubonisiwe kulo mfanekiso.
I-laser ehlengahlengiswayo (ngokulandelelanayo: ukukhanya okuphakathi, ukukhanya okuphakathi + ukukhanya kweringi, ukukhanya kweringi, izibane ezibini)
Ngo-2018, ukusetyenziswa kwe-laser ezininzi zolu hlobo kwi-welding ye-aluminium shell shell cell covers top yavavanywa, kwaye ngokusekwe kwi-laser ye-Corona, uphando kwisisombululo se-3.0 yenkqubo yetekhnoloji ye-laser welding ye-battery cell covers top yaqaliswa. Xa i-laser ye-Corona isenza imowudi ye-point-ring output, iimpawu zokusasazwa koxinzelelo lwamandla kwi-beam yayo yokuphuma ziyafana nemveliso edibeneyo ye-semiconductor + fiber laser.
Ngethuba lenkqubo ye-welding, indawo yokukhanya kwendawo kunye noxinano lwamandla aphezulu yenza i-keyhole ye-welding enzulu yokungena ukuze ufumane ukungena kwe-welding okwaneleyo (okufana nokuphuma kwe-fiber laser kwisisombululo se-welding hybrid), kunye nokukhanya komsesane kunika igalelo elikhulu lobushushu. wandise umngxuma wesitshixo, unciphise ifuthe lomphunga wesinyithi kunye neplasma kwisinyithi elulwelo ekupheleni komngxuma wesitshixo, ukunciphisa ukuchaphaza kwesinyithi okubangelwayo, kunye nokwandisa ixesha lomjikelo we-thermal we-weld, ukunceda irhasi echibini elityhidiweyo ukubaleka ukuze ibaleke. ixesha elide, ukuphucula Ukuzinza kweenkqubo ze-welding high-speed (ezifana nemveliso ye-lasemiconductor lasers kwi-hybrid welding solutions).
Kuvavanyo, sidibanise iibhetri ezinodonga olucekeceke kwaye safumanisa ukuba ukuguquguquka kobungakanani be-weld kwakulungile kwaye inkqubo ye-CPK yenkqubo yayilungile, njengoko kubonisiwe kuMfanekiso 18.
Imbonakalo yebhetri engaphezulu kwekhava yokuwelda kunye nobukhulu bodonga 0.8mm (isantya se-welding 300mm/s)
Ngokumalunga ne-hardware, ngokungafaniyo nesisombululo se-welding ye-hybrid, esi sisombululo silula kwaye asifuni iilaser ezimbini okanye intloko ye-welding ekhethekileyo. Ifuna kuphela intloko ye-laser ye-laser eqhelekileyo ye-welding eqhelekileyo (ekubeni inye kuphela i-fiber optical ikhupha i-laser enye ye-wavelength, isakhiwo se-lens silula, akukho luhlenga-hlengiso olufunekayo, kunye nelahleko yamandla iphantsi), okwenza kube lula ukuyilungisa kunye nokugcina. , kwaye ukuzinza kwezixhobo kuphuculwe kakhulu.
Ukongeza kwindlela elula yesisombululo se-hardware kunye nokuhlangabezana neemfuno zenkqubo ye-welding ye-high-speed ye-cover cover top cell cell, esi sisombululo sinezinye iingenelo kwiinkqubo zokusebenza.
Kuvavanyo, sidibanise isiciko esiphezulu sebhetri ngesantya esiphezulu esingama-300mm/s, kwaye sisaphumelele ukwenza umthungo olungileyo. Ngaphezu koko, kumaqokobhe anobunzima obuhlukeneyo bodonga lwe-0.4, 0.6, kunye ne-0.8mm, kuphela Ngokuhlengahlengisa imowudi yokuphuma kwe-laser, ukuwelda okulungileyo kunokwenziwa. Nangona kunjalo, kwizisombululo ze-laser hybrid welding welding, kuyafuneka ukuba utshintshe ukucwangciswa kwe-optical yentloko ye-welding okanye i-laser, eya kuzisa iindleko ezinkulu zezixhobo kunye neendleko zexesha lokulungisa.
Ngoko ke, indawo ye-point-ringwelding laserisisombululo asikwazi ukufikelela kuphela kwi-ultra-high-speed top cover welding kwi-300mm/s kunye nokuphucula ukusebenza kakuhle kwemveliso yeebhetri zamandla. Kwiinkampani zokuvelisa iibhetri ezifuna utshintsho lwemodeli rhoqo, esi sisombululo sinokuphucula kakhulu umgangatho wezixhobo kunye neemveliso. ukuhambelana, ukunciphisa utshintsho lwemodeli kunye nexesha lokulungisa.
Imbonakalo yebhetri engaphezulu kwekhava yokuwelda kunye nobunzima bodonga 0.4mm (isantya se-welding 300mm/s)
Imbonakalo yebhetri engaphezulu kwekhava yokuwelda kunye nobukhulu bodonga 0.6mm (isantya se-welding 300mm/s)
Ukungena kweCorona Laser Weld ye-Thin-Wall Cell Welding-Process Capabilities
Ukongeza kwi-laser ye-Corona ekhankanywe ngasentla, ii-lasers ze-AMB kunye nee-lasers ze-ARM zineempawu ezifanayo zokuphuma kwe-optical kwaye zingasetyenziselwa ukusombulula iingxaki ezinjengokuphucula i-laser weld spatter, ukuphucula umgangatho we-weld weld, kunye nokuphucula ukuzinza kwe-welding yesantya esiphezulu.
4. Isishwankathelo
Izisombululo ezahlukeneyo ezikhankanywe apha ngasentla zonke zisetyenziswa kwimveliso yokwenyani ziinkampani zasekhaya nezangaphandle zokuvelisa ibhetri ye-lithium. Ngenxa yexesha elihlukeneyo lokuvelisa kunye nemvelaphi yezobugcisa ezahlukeneyo, izisombululo zenkqubo ezahlukeneyo zisetyenziswa ngokubanzi kwishishini, kodwa iinkampani zineemfuno eziphezulu zokusebenza kunye nomgangatho. Ihlala iphucuka, kwaye itekhnoloji entsha ngakumbi iza kusetyenziswa kungekudala ziinkampani eziphambili kwezobuchwepheshe.
Ushishino olutsha lwaseTshayina lwebhetri luqale emva kwexesha kwaye luphuhliswe ngokukhawuleza luqhutywa yimigaqo-nkqubo yesizwe. Ubuchwephesha obunxulumeneyo buqhubekile nokuqhubela phambili ngeenzame ezidityanelweyo zekhonkco leshishini lonke, kwaye bawufinyezile ngokubanzi umsantsa kwiinkampani ezibalaseleyo zamazwe ngamazwe. Njengomenzi wezixhobo zebhetri zasekhaya ze-lithium, i-Maven iphinda iphonononge iindawo zayo eziluncedo, inceda ukuphuculwa okuphindaphindiweyo kwezixhobo zebhetri, kunye nokubonelela ngezisombululo ezingcono zokuveliswa okuzenzekelayo kweepakethi zemodyuli yebhetri yokugcina amandla.
Ixesha lokuposa: Sep-19-2023
