Isingeniso
Ngokukhula okukhulu kwemboni yezimoto ezintsha zamandla emhlabeni (NEV), ukusungulwa kwezinqubo zokukhiqiza sekube ukhiye ekusekeleni ukuthuthukiswa kwemboni. Ezinqubweni zokukhiqiza zezingxenye eziyinhloko ezifana namabhethri, izinjini, nemizimba yezimoto, imedium frequency spot welding umshini, ngenxa yezimpawu zayo zobuchwepheshe ezisebenza kahle, ezizinzile, kanye namandla-zokonga, kancane kancane ithatha indawo yezinto ezivamile zokushisela futhi iba ubuchwepheshe bokuxhumana obunembayo obubaluleke kakhulu emkhakheni wokukhiqiza we-NEV. Lesi sihloko sizohlaziya ngokujulile isimiso sokusebenza, izimo zohlelo lokusebenza, kanye nezinkambiso zesikhathi esizayo zokuthuthukiswa kwemishini yokushisela amabala aphakathi nendawo, iveze inani layo eliyinhloko ochungechungeni lwemboni ye-NEV.
I. Isimiso Sobuchwepheshe kanye Nezinzuzo Eziyinhloko Zemishini Yokushisela Imvamisa Emaphakathi
Imedium frequency spot welding umshiniiyimishini yokushisela ukumelana esekelwe kubuchwepheshe be-inverter. Isici sayo esiyinhloko ukusetshenziswa kwamandla kagesi we-AC we-1-4kHz medium frequency, enokulawula okunembile kwamandla okushisela, isikhathi, nengcindezi ngohlelo lokulawula lwedijithali. Uma kuqhathaniswa nemishini yokushisela ye-AC (50/60Hz) yendabuko, imishini yokushisela indawo eyi-frequency emaphakathi ibonisa izinzuzo ezintathu ezinkulu zobuchwepheshe ekukhiqizeni i-NEV:
- Ikhwalithi Yokushisela Ethuthuke Kakhulu?
Ubuchwepheshe be-Medium frequency inverter bungalawula i-waveform yamanje ibe okukhiphayo okuzinzile kwe-DC, kunciphise isipatha se-welding kanye nokuguqulwa kwe-thermal. Isibonelo, ekushiseleni umzimba kwe-aluminium alloy, imishini yokushisela indawo ephakathi nendawo ingafinyelela{1}}ukunemba okuphezulu ngephutha le-nugget diameter elingaphansi kuka-0.2mm, igweme ngempumelelo izinkinga zokuhluleka ukuvala iphakethe lebhethri elibangelwa ukunganeli kwamandla okushisela.
- Ukusebenza Kahle Kwezamandla Kwengezwe Ngokungaphezulu Kwama-30%?
Ngenxa yomphumela wesikhumba obuthakathaka we-middle frequency current, okokusebenza kunganciphisa ukulahleka kwamandla. Idatha yangempela yokulinganisa ibonisa ukuthi lapho kushiselwa amashidi ensimbi anogqinsi olufanayo, ukusetshenziswa kwamandla kwemishini yokushisela amabala aphakathi nendawo kungaphansi ngo-35% kunaleyo yezisetshenziswa zendabuko, ezinokubaluleka okuqondile kumabhizinisi e-NEV ukuze kuncishiswe izindleko futhi kukhuphule ukusebenza kahle.
- Ukuzivumelanisa Nezimo Okuqinile Emkhiqizweni Ohlakaniphile?
Imishini yokushisela amabala aphakathi nendawo isekela ukuhlanganiswa okungenamthungo namarobhothi ezimboni nezinhlelo zokuhlola umbono. Uma sithatha i-Tesla Gigafactory njengesibonelo, izindawo zayo zokusebenza zokushisela, ngokusebenzisana kwemishini yokushisela indawo ephakathi nendawo kanye namarobhothi{1}}ayisithupha e-axis, afinyeze isikhathi somjikelezo wokushisela we-Model Y emhlophe saba imizuzwana engu-45, okwandisa ukusebenza kahle kokukhiqiza cishe ngo-40%.
II. Izimo Ezibalulekile Zokusebenza Zemishini Yokushisela Imvamisa Emaphakathi Ekwenziweni kwe-NEV
(I) Ukwenziwa Kwesistimu Yebhethri Yamandla
"Njengenhliziyo" yezimoto zamandla amasha, ikhwalithi yokushisela yephakethe lebhethri lamandla ihlobene ngokuqondile nokuphepha kwemoto. Imedium frequency spot welding umshiniidlala indima ebalulekile kulezi zixhumanisi ezilandelayo:
- I-Cell Tab Welding?:Kusetshenziswa ubuchwepheshe bokushisela-kwe-pulse medium frequency welding, ukuxhunywa kwe-aluminium-yezinto ezihlukile ze-aluminium kuqedwa phakathi kwamasekhondi angu-0.1, ngokumelana nesixhumi esibonakalayo esilawulekayo ngaphansi kuka-20μΩ.
- I-Module Busbar Welding?:Ngemojula yokulawula ingcindezi eguquguqukayo, izinga lokuphasa elingu-99.98% liyaqinisekiswa kumaphuzu angama-3000 we-weld wemojuli yebhethri engu-18650.
- Ukushisela Ikesi Lebhethri?:Kusetshenziswa izici zokufaka ukushisa okuphansi kwe-medium frequency welding, ukugqwala kwe-intergranular yecala le-aluminium alloy material ngesikhathi senqubo yokushisela kuyagwenywa.
(II) Ukwenziwa Kwemizimba Engasindi
Ukuze uhlangabezane nezidingo ezingasindi zezimoto zamandla amasha, imedium frequency spot welding umshiniwenze intuthuko ezindaweni ezilandelayo:
- I-Aluminium-I-Steel Dissimilar Material Connection?:Ngobuchwepheshe bokuqapha ukumelana ne-dynamic, ukuxhumana okuthembekile phakathi kwe-aluminium alloy engu-1.2mm kanye nensimbi engu-0.8mm ukuphakama{2}}kufinyelelwa, ngamandla ahlangene afinyelela ku-85% wesisekelo sensimbi.
- Okushisayo-I-Stamped Steel Welding?:Ngensimbi enesitembu eshisayo engu-1500MPa{1}, uhlelo lokulawula lwamanje lwe-gradient luyathuthukiswa, lunqamule ibhodlela lobuchwepheshe lokushisela kwendawo okujwayele ukukhiqiza imifantu yokucisha.
(III) I-Drive Motor and Electronic Control System
- Ku-stator core welding of unomphela uzibuthe synchronous motors, imedium frequency spot welding umshiniisebenzisa ubuchwepheshe besinxephezelo sika-electromagnetic ukunciphisa izinga lokulahlekelwa kazibuthe lokushisela i-lamination libe ngaphansi kuka-0.3%. Ku-copper substrate welding yamamojula wamandla e-IGBT, i-millisecond{2}}ikhono layo lokulawula ukushaya kwenhliziyo linganciphisa ukushisa-indawo ethintekile ibe ngu-0.5mm, ithuthukise kakhulu ukwethembeka kwesistimu yokulawula kagesi.
III. Izinselelo zobuchwepheshe kanye namathrendi okuthuthukiswa kwekusasa
(I) Izithiyo Zamanje Zobuchwepheshe
- Izidingo Ezihlukahlukene Zokujwayela Okubalulekile?:Ukusetshenziswa kwezinto ezintsha ezifana nezinhlanganisela ze-carbon fibre nama-alloys e-magnesium kubeka izimfuno eziphakeme ekwenziweni kwepharamitha yokushisela.
- I-Cost Control Pressure?:Ukuncika kwamanye amazwe kwemishini yokushisela indawo ephezulu{0}}kusekugcineni okuphakathi nendawo kuhlala kungaphezu kuka-60%, futhi okokusebenza kwasekhaya kudinga ukuthuthuka ngokushesha emkhakheni wezingxenye ezibalulekile.
(II) Iziqondiso Zokuguquguquka Kwezobuchwepheshe Besikhathi esizayo
- Intelligent Welding Systems?:Hlanganisa ukuhlolwa okubonakalayo kwe-AI kanye nobuchwepheshe obungamawele edijithali ukuze ufinyelele{0}}ukuqagela isikhathi sangempela sekhwalithi yokushisela kanye nokuzithuthukisa{1}}.
- I-Composite Energy Welding Technology?:Thuthukisa okokusebenza kokushisela okuhlanganisiwe kwe-laser okuvama okumaphakathi ukuze ukhuphule isivinini sokushisela sibe amaphoyinti angu-120/ngomzuzu.
- Ukuthuthukiswa Kokukhiqiza Okuluhlaza?:Ngedizayini yokuthuthukisa{0}imvamisa yokuthuthukisa i-frequency transformer, thuthukisa isilinganiso sokusebenza kahle kwamandla esisetshenziswa sibe ngaphezu kuka-95%.
Isiphetho
Enqubweni yokukhiqiza i-NEV ethuthukela ekunembeni, ekuhlakanipheni, nasekuhlazeni, imedium frequency spot welding umshini, njengesisetshenziswa esiyinhloko senqubo, sibumba kabusha i-paradigm yobuchwepheshe yokukhiqiza izimoto zesimanje. Ngokuthuthuka okuqhubekayo ezingxenyeni ezibalulekile ezifana nezinhlelo zokulawula i-servo kanye{1}}neziguquli zemvamisa eziphezulu kumishini yasekhaya, kulindeleke ukuthi ngo-2025, usayizi wemakethe wemishini yokushisela amabala aphakathi nendawo emkhakheni we-NEV uzodlula amabhiliyoni angu-8 CNY, abe injini yobuchwepheshe ebalulekile yokuthuthukisa ukuthuthukiswa kwezimboni. Kumabhizinisi akhiqiza izimoto kanye nabahlinzeki bezingxenye, ukubamba indlela entsha yobuchwepheshe bokushisela imvamisa emaphakathi kuzoba ukhiye ekuthatheni indawo ephakeme emzuliswaneni omusha wokuncintisana kwezimboni.
