Indasteri ea likoloi ea Europe e tumme ka boemo ba eona bo tsoetseng pele le boqapi bo holimo. Ka khothatso ea maano a ho boloka matla le phokotso ea mesi, molemong oa ho fokotsa tšebeliso ea mafura le khase ea carbon dioxide, lisebelisoa tsa aluminium tse ntlafalitsoeng le tse entsoeng ka boqhetseke li sebelisoa haholo moralong oa likoloi. Ho ea ka lipalo-palo, lilemong tse leshome tse fetileng, palo e tloaelehileng ea aluminium e sebelisoang likoloing tsa baeti e imenne habeli, 'me ho fokotseha ha boima ba lisebelisoa tsa aluminium ho bontšoa ho Setšoantšo sa 1 ka tlase. Ho ipapisitsoe le likhopolo tse ncha tsa moralo, mokhoa ona o tla tsoelapele lilemong tse 'maloa tse tlang.
Ha ho ntse ho etsoa tsoelo-pele e bobebe, li-alloys tsa aluminium li tobane le tlhōlisano e matla le lisebelisoa tse ling tse ncha, tse kang tšepe e matla, e ntseng e ka boloka matla a phahameng ka mor'a moralo o mosesaane o entsoeng ka marako. Ho phaella moo, ho na le lisebelisoa tsa magnesium, titanium, khalase kapa carbon fiber, tse seng li ntse li sebelisoa haholo sebakeng sa sefofane. Hona joale mohopolo oa moralo oa lisebelisoa tse ngata o kenyelelitsoe moralong oa likoloi, 'me ho ntse ho etsoa boiteko ba ho sebelisa lisebelisoa tse loketseng likarolo tse loketseng. Phephetso ea bohlokoa haholo ke bothata ba ho hokahanya le ho phekola holimo, 'me litharollo tse fapa-fapaneng li 'nile tsa ntlafatsoa, tse kang li-engine block le likarolo tsa terene ea matla, moralo oa foreimi (Audi A2, A8, BMW Z8, Lotus Elise), sebopeho sa poleiti e tšesaane (Honda NSX). , Jaguar, Rover), ho emisoa (sehlopha sa DC-E, Renault, Peugeot) le moralo oa likarolo tse ling tsa meralo. Setšoantšo sa 2 se bontša likarolo tsa aluminium tse sebelisoang likoloing.
BIW Moralo leano
'Mele-bosoeu ke karolo e boima ka ho fetisisa ea koloi e tloaelehileng, e nkang karolo ea 25% ho isa ho 30% ea boima ba koloi. Ho na le meralo e 'meli ea sebopeho sebopehong sa 'mele-ka bosoeu.
1.Moetso oa foreimi ea sebaka sa profil” bakeng sa likoloi tse nyane le tse mahareng: Audi A8 ke mohlala o tloaelehileng, 'mele oa' mele o mosoeu o boima ba lik'hilograma tse 277, o na le litlaleho tse 59 (lik'hilograma tse 61), li-castings tse 31 (39 kg) le 170 lakane ea tšepe (177 kg). Li kopantsoe ke riveting, welding MIG, welding laser, welding e 'ngoe e nyalisitsoeng, gluing, joalo-joalo.
2. "Sebopeho sa "Die-forged sheet monocoque" bakeng sa lisebelisoa tsa likoloi tsa boholo bo boholo.: mohlala, Jaguar XJ (X350), 2002 model (joalokaha ho bontšitsoe setšoantšong sa 4 ka tlase), boima ba 295 kg "setempe sa 'mele oa monocoque" body-in-white e ne e e-na le litlaleho tse 22 (21 kg), 15 castings (15 kg) le likarolo tsa tšepe tse 273 (259 kg). Mekhoa ea khokahano e kenyelletsa bonding, riveting, le welding ea MIG.
Tšebeliso ea Aluminium Alloy 'Meleng
1. Botsofali bo thatafetse Al-Mg-Si motsoako
Li-alloys tsa 6000 li na le magnesium le silicon mme hajoale li sebelisoa maqepheng a 'mele oa likoloi joalo ka A6016, A6111 le A6181A. Europe, 1-1.2mm EN-6016 e na le sebopeho se setle haholo le ho hanyetsa kutu 'me e sebelisoa haholo.
2. Motsoako o sa phekoleheng oa Al-Mg-Mn
Ka lebaka la ho thatafala ha eona ho phahameng, li-alloys tsa Al-Mg-Mn li bonts'a sebopeho se setle haholo le matla a holimo, 'me li sebelisoa haholo ho lilakane tsa likoloi tse kolobisitsoeng ka mohatsela le li-tubes tsa hydroformed. Ho sebetsa ka har'a chassis kapa mabili ho sebetsa le ho feta hobane phokotso e kholo ea likarolo tse sa sisinyeheng tse tsamaeang le eona e ntlafatsa boiketlo ba ho khanna le ho fokotsa maemo a lerata.
3. Boemo ba aluminium
Europe, likhopolo tse ncha tsa koloi li ile tsa hlahisoa ho latela moralo oa profil ea aluminium, mohlala, liforeimi tsa alloy tsa aluminium le likaroloana tse rarahaneng. Monyetla oa bona o moholo oa meralo e rarahaneng le ho kopanya ts'ebetsong ho etsa hore li tšoanelehe ka ho fetisisa bakeng sa tlhahiso ea letoto le theko e tlaase. Hobane ho tima ho hlokahala nakong ea extrusion, matla a mahareng a 6000 le li-alloys tse thata tsa lilemo tse 7000 li sebelisoa. Formability le matla a ho qetela a laoloa ka ho thatafala ha lilemo ka ho futhumatsa ho latelang. Aluminium alloy profiles e sebelisoa haholo ho moralo oa foreimi, maballo a senyehileng le likarolo tse ling tsa ho oa.
4. Aluminium ho lahla
Li-castings ke likarolo tsa aluminium tse sebelisoang haholo likoloing, joalo ka li-block blocks, lihlooho tsa li-cylinder le likarolo tse khethehileng tsa chassis. Le lienjineri tsa diesel, tse ekelitseng karolo ea tsona ea mmaraka haholo Europe, li fetohela ho li-castings tsa aluminium ka lebaka la litlhoko tse ntseng li eketseha tsa matla le ho tšoarella. Ka nako e ts'oanang, li-castings tsa aluminium li ntse li sebelisoa ka moralo oa foreimi, likarolo tsa shaft le likarolo tsa mohaho, 'me ho lahla ha li-alSiMgMn tse ncha tsa aluminium ho fihletse matla le ho sebetsa ka mokhoa o phahameng.
Aluminium ke thepa ea khetho bakeng sa lisebelisoa tse ngata tsa likoloi tse kang chassis, 'mele le likarolo tse ngata tsa meralo ka lebaka la boima ba eona bo tlaase, sebopeho se setle le khanyetso e ntle ea kutu. Aluminium e sebelisoang moralong oa sebopeho sa 'mele e ka fihlela bonyane 30% ea ho fokotsa boima ba 'mele tlas'a motheo oa ho kopana le litlhoko tsa ts'ebetso. Hape, lisebelisoa tsa aluminium li ka sebelisoa likarolong tse ngata tsa sekoahelo sa hona joale. Maemong a mang ka litlhoko tse phahameng tsa matla, li-alloys tse 7000 li ntse li ka boloka melemo ea boleng. Ka hona, bakeng sa lits'ebetso tse phahameng haholo, tharollo ea ho fokotsa boima ba alloy ea aluminium ke mokhoa oa moruo ka ho fetisisa.
E hlophisitsoeng ke May Jiang ho tsoa ho MAT Aluminium
Nako ea poso: Dec-08-2023