Ho lahla matsete, ho tsejoang hape e le ho lahleheloa ke boka ba linotsi, ho tloaelehile ho sebelisoa ka mokhoa o nepahetseng oa matla a khoheli: khetha lisebelisoa tse loketseng tsa matsete (joaloka parafine) ho etsa hlobo ea matsete;khafetsa qoelisa refractory barbotage holim'a hlobo dipeeletso, fafatsa refractory lehlabathe, etsa hore hlobo khetla thatafatsa le ho omella, ka nako eo qhibiliha ka hare dipeeletso hlobo ho fumana hlobo cavity;baka khetla ea hlobo ho fumana matla a lekaneng, chesa lisebelisoa tse setseng tsa hlobo ea matsete;ho lahla ho hloka ho tiisa le ho pholisa lisebelisoa tsa tšepe, Ka mor'a ho senya, ho tla etsoa desanding ho fumana lihlahisoa tse phethiloeng ka mokhoa o phahameng.Phekolo ea mocheso, ts'ebetso e batang le phekolo ea holim'a metsi e tla etsoa ho ea ka litlhoko tsa lihlahisoa.

Lifeme tsa tlhahiso ea lehlabathe le lihlahisoa tse ngata li lokela ho theha maemo.Mohala oa tlhahiso ea mochini oa khale oa shaker kapa mochini oa shaker o nang le mochini o tsoetseng pele le mekhoa ea ho etsa mantlha ha o phahame ka ho lekana, matla a basebetsi a phahame, lerata le phahame, 'me ha lea tšoanela litlhoko tsa tlhahiso ea bongata.Li-castings tse nyane li lokela ho fetoloa mohato ka mohato Mohala oa tlhahiso ea mochini o otlolohileng kapa o otlolohileng o nang le khatello e phahameng o na le ts'ebetso e phahameng ea tlhahiso le sebaka se senyenyane sa fatše.Bakeng sa li-castings tsa boholo bo mahareng, ho ka khethoa mela e fapaneng ea mochini oa mochini o nang le khatello e phahameng e nang le 'mele oa lebokose le mela e bopehileng ea moea.Ho finyella litlhoko tsa melapo ea tlhahiso e potlakileng le e phahameng e nepahetseng, mokhoa oa ho etsa li-core o ka khethoa e le: ho etsoa ka mokhoa o phahameng ka ho fetisisa oa lebokose la motsoako o batang, lebokose le chesang la mocheso, mokokotlo oa likhetla le mekhoa e meng ea mantlha.

Resin ho itšehla thajana lehlabathe le ho etsa li-core ho ka nkoa e le li-castings tse kholo le tse mahareng. Bakeng sa li-castings tse kholo ka lihlahisoa tse nyenyane tsa lihlahisoa, mohlala oa matsoho e ntse e le mokhoa oa bohlokoa.Ho etsa mohlala ka letsoho hoa tenyetseha ho fihlela litlhoko tse fapaneng tse rarahaneng mme ha ho hloke lisebelisoa tse ngata tsa ts'ebetso.Metsi a khalase ea lehlabathe hlobo, VRH water glass sand hlobo, organic ester water glass self harding sand hlobo, letsopa omeletseng lehlabathe hlobo, resin self hard harding hlobo le lehlabathe samente hlobo e ka sebelisoa;bakeng sa li-castings tse kholo tse hlahisoang ke sengoathoana se le seng, mokhoa oa hlobo oa sekoti o na le litšenyehelo tse tlase tsa tlhahiso, lebelo la tlhahiso e potlakileng, le bakeng sa tlhahiso ea bongata kapa tlhahiso ea nako e telele ea lihlahisoa tse phethiloeng, e loketse haholoanyane bakeng sa ho bopa li-box tse ngata le li-subbox le hoja matsete a hlobo le lehlabathe lebokose le phahameng, Empa e ka lefshoa ho tloha likarolong tsa ho boloka ho etsa nako le ho ntlafatsa boleng ba sehlahisoa.

Khatello e tlaase ea khatello, ho lahleheloa ke lefu, ho lahla centrifugal le mekhoa e meng ea ho lahla li loketse feela bakeng sa tlhahiso ea bongata ka lebaka la theko e phahameng ea thepa le hlobo.

Ka mohlala, e boetse e sebelisetsoa ho hlahisa lisebelisoa tse kholo tsa mochine le lisebelisoa tse ling.Ka kakaretso, ho sebelisoa mokhoa oa ho etsa core ho fapana le ho etsa hlobo le lebokose la lehlabathe lifemeng tse ling.Likhoebo tse nang le mekhoa e fapaneng e entsoeng ka mokhoa oa ho etsa mabokose a lehlabathe li na le maemo a fapaneng a tlhahiso (ho kenyeletsoa lisebelisoa, sebaka, boleng ba basebetsi, joalo-joalo), mekhoa ea tlhahiso le boiphihlelo bo bokelletsoeng.Ho ea ka maemo ana, re lokela ho nahana hore na ke lihlahisoa life tse loketseng le tse hlahisoang Sehlahisoa ha sea lokela.

Mekhoa e fapaneng ea ho lahla e na le ho nepahala ho fapaneng, matsete a pele a fapaneng le tlhahiso, le melemo e fapaneng ea ho qetela ea moruo.Ka hona, e le hore u finyelle ho feta, ka potlako, ho betere le ho fokotseha, hoa hlokahala ho hlahloba ka botlalo likarolo tsohle tsa mekhoa e khethiloeng ea ho lahla litšenyehelo bakeng sa tekanyetso ea pele ea litšenyehelo, e le ho tseba mekhoa ea ho lahla ka melemo e phahameng ea moruo le ho netefatsa litlhoko tsa ho lahla.

Le hoja nts'etsopele ea indasteri ea lihlahisoa tsa Chaena e le nakong e batlang e le thata, qetellong, ho ntse ho e-na le tšepo ea tsoelo-pele ea indasteri ea ho lahla ka mokhoa o nepahetseng oa Chaena, tlhokahalo ea 'maraka e qalile ho nyoloha butle,' me ka matla a matla a China. ntshetsopele ya indasteri e qadileng, ke dumela hore indasteri ya China e tla etsa diphihlello tse kgotsofatsang.

Litsebi li boletse hore molemong oa ho ntlafatsa haholo boemo ba theknoloji ea ho lahla, re tlameha ho etsa lintlha tse 'ne tse latelang:

1, Ke ho nts'etsapele theknoloji ea ketsiso, ho ntlafatsa ho nepahala ha ho bolela esale pele, ho matlafatsa taolo ea ts'ebetso, ho ntlafatsa kutloisiso ea tloaelo ea tlhahiso, e amang tlhahiso ea tlhahiso ea batch.

2, Ke motsoako oa tlhahiso, ho ithuta le lipatlisiso tseo likhoebo li sa lokelang ho ntlafatsa tsebo ea bona ea boqapi le bokhoni ba R & D feela, empa hape li kenyelletse bohlokoa le ho matlafatsa motsoako oa tlhahiso, ho ithuta le lipatlisiso, tse ipapisitseng le ts'ebetso e nepahetseng. likhoebo.

3, Ke motheo oa indasteri ho hokela bohlokoa ho lipatlisiso le nts'etsopele ea lintho tse bonahalang.Hona joale, ho ntse ho e-na le mosebetsi o mongata o lokelang ho etsoa.Lefapheng la Aeronautics le Astronautics, lipatlisiso le theknoloji ea ho qhibilihisa ea lisebelisoa tsa alloy, haholo-holo li-superalloys, li hloka ho ntlafatsoa, ​​​​'me ho na le lekhalo le leholo le linaha tse ling.

4, Ka hona, lipatlisiso le nts'etsopele ea lisebelisoa tsa ho lahla tse nepahetseng e ntse e le sebaka se chesang.