Lintlha tsa mantlha tsa sebopeho sa Pinhole ho Aluminium Castings
Tlhahiso ea Pinhole Ho Aluminium Castings
Li-pinholes ke phoso e lahlehang e hlahang habonolo ho li-castings tsa aluminium mme e na le phello e itseng boleng ba machining castings. |
Hydrogen ke sesosa se ka sehloohong sa likoti (80-90 ea khase e qhibilihisitsoeng ka mokelikeli oa aluminium ke hydrogen), 'me hydrogen e hlahisoa haholo ke ho senyeha ha mouoane oa metsi.
Lebaka la ho hlahisa mouoane oa metsi nakong ea ho qhibiliha ha motsoako oa aluminium ke ntho e ka sehloohong e amang ka ho toba ho thehoa ha li-pinholes. Lintlha tse ka sehloohong tse amang sebopeho sa li-pinholes ke:
Nakong ea ts'ebetso ea aluminium alloy smelting le ho tšela, lisebelisoa tse tala, lisebelisoa tse thusang, metsi a kristale ka lisebelisoa tse ling, le mafome a aluminium AL (OH) 2 a senyeha ho hlahisa mongobo.
Ho na le lisebelisoa tse ngata tsa organic le inorganic tse thusang molemong oa ho etsa mohlala. Mongobo o nang le lisebelisoa tsa ho lahla tse kang lisebelisoa tse thusang le liphahlo ka lebaka la ho futsaneha ha mocheso pele o tla hlahisa khase e ngata ka lebaka la ho senyeha ha mouoane oa metsi nakong ea ho qhibiliha ha aluminium alloy le ho tšolloa. Ha lisebelisoa tse fapaneng tse qhibilihang li qhibiliha aluminium shoa ho lahlas, palo ea moea o kenang ka motsoako oa aluminium le tekanyo ea ho thehoa ha li-pores li fapane.
Li-crucibles tse ncha le li-crucibles tsa khale tse nang le mafome le litšila li lokela ho felloa ke lehlabathe kapa ho tlosoa ka mekhoa e meng pele li sebelisoa, 'me li futhumale ho 700 ℃ -800 ℃ ho tlosa metsi le lintho tse ling tsa lik'hemik'hale tse nkiloeng ke crucible. Mouoane oa metsi o hlahisoa nakong ea ho qhibiliha le ho tšolloa ho etsa li-pores.
Bakeng sa lisebelisoa tsa ho qhibilihisa, tse kang ladle, sekoahelo sa tšepe ea degassing, joalo-joalo, tšepe e ka holimo, oxide scale le litšila tse ling li lokela ho tlosoa pele li sebelisoa; lisebelisoa tsa aluminium-magnesium alloy li lokela ho behoa carnallite pele li sebelisoa Hlatsoa ka phallo.
Haeba preheating e se e ntle, mongobo o kenang holim'a metsi o tla hlahisa khase e ngata ka lebaka la ho futhumatsa ho etsa mouoane oa metsi nakong ea ho qhibiliha le ho tšolloa, ho fella ka ho thehoa ha li-pinholes ka li-castings tsa aluminium.
Kopanya le sengoloa sena: Lintlha tsa mantlha tsa sebopeho sa Pinhole ho Aluminium Castings
Polelo e Hatisitsoeng: Haeba ho se na litaelo tse ikhethang, lingoloa tsohle tse fumanehang sebakeng sena sa marang-rang ke tsa mantlha. Ka kopo bonts'a mohloli oa khatiso: https: //www.cncmachiningptj.com/ li -ththanks!
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