Ho lahla lehlabathe ke mokhoa o tloaelehileng haholo oa hokoporoli-gaskets tse sebelisoang tlhahiso ea lehlabathe, e nang le melemo ea ho ikamahanya le maemo le ho itokisa habonolo ha tlhahiso.Leha ho le joalo, ho nepahala ha dimensional, boleng ba bokaholimo, le boleng ba ka hare ba li-castings tse hlahisoang ke mokhoa ona li hole le ho fihlela litlhoko tsa likarolo tsa mochini, mme ts'ebetso ea tlhahiso e rarahane le ho feta, mme ho phethahala ha tlhahiso ea mochini le e ikemetseng ho hloka matsete a maholo.Tlhahisong ea likarolo tse ling tse khethehileng le litlhoko tse khethehileng tsa tekheniki Litsupa tsa tekheniki le tsa moruo li batla li le tlase, ka hona ts'ebeliso ea lehlabathe la tlhahiso ea lihlahisoa e lekanyelitsoe ho isa bohōleng bo itseng.Ntle le ho lahla lehlabathe, ho lahla ho khethehileng ho thehile mekhoa e mengata e fapaneng ea ho lahla lehlabathe ka ho fetola thepa ea ho lahla, mokhoa oa ho tšela, mofuta oa motsoako oa metsi o tlatsang hlobo ea ho lahla, kapa maemo a tiileng a ho lahla.Basebetsi ba Foundry ba bua ka mekhoa e meng ea ho lahla e fapaneng le mokhoa oa ho lahla lehlabathe e le ho lahla ho khethehileng.Mekhoa e tloaelehileng e khethehileng ea ho lahla indastering ea tlhahiso ea mechini ke:
1. Ho lahla lichelete.Ke mokhoa oa ho lahla li-casting tse sehiloeng kapa tse sehiloeng hanyane ka nepo e phahameng ea maemo le boleng bo tlase ba bokaholimo bo sebelisang mefuta ea fusible le likhetla tse sebetsang hantle;ho akhela hlobo ea tšepe.Ke mokhoa oa ho sebelisa hlobo ea tšepe ho eketsa lebelo la pholileng la ho lahla, ho finyella mofuta o le mong oa mefuta e mengata, le ho fumana ho lahla ka mohaho o teteaneng oa kristale.
2. Ho ntša khatello.Ke mokhoa oa ho fumana li-castings tse nepahetseng ka ho fetola ho tlatsa le ho kristale le ho tiisa maemo a li-alloys tsa metsi, e le hore li-alloys tsa metsi li tlatse hlobo tlas'a khatello e phahameng le maemo a lebelo le phahameng, 'me li thehe le ho khanya ka tlas'a khatello e phahameng, kahoo li fumana li-castings tse nepahetseng;foam e lahlehileng.Ke mohlala oa polasetiki o foamed o tšoanang ka boholo le sebōpeho sa ho lahla, o kopantsoe le ho kopanngoa le lelapa la mohlala, o silafalitsoeng ka seaparo sa refractory le se omisitsoeng, se patoa ka lehlabathe la quartz bakeng sa mohlala oa vibration, ebe o tšeloa ka tšepe ea metsi tlas'a maemo a itseng ho etsa. Moetso (model) Mokhoa oa ho etsa mouoane le ho etsa hore tšepe e qhibilihisitsoeng e be boemong ba mohlala, le ho etsa moetso o lakatsehang ka mor'a hore tšepe e qhibilihisitsoeng e tiee le ho fola.
3. Ho theola khatello e tlaase.Ke mokhoa oa ho lahla pakeng tsa matla a khoheli a akhelang koporo e se nang loto, e bolelang mokhoa oa ho kenya tšepe e qhibilihisitsoeng ka har'a foromo tlas'a ketso ea matla a khoheli a lefatše, le ho laola khatello.Ka ho fetola maemo a ho tlatsa le ho tiisa, motsoako oa metsi o tlatsitsoe butle-butle ho tloha tlase ho ea holimo tlas'a boemo ba khatello e tlaase le lebelo le tlaase, 'me o hloekisitsoe le ho tiisoa ka tatellano ho tloha holimo ho ea tlase tlas'a ketso ea khatello e tlaase, e le ho fumana boemo bo phahameng- li-castings tsa boleng tse nang le sebopeho se teteaneng.
Nako ea poso: Jun-15-2022