Sefe ea Foam e Refractory Bakeng sa Aluminium Casting

Litaelo:
Sheba 'me u hloekise lithōle tse ka holim'a lebokose la filthara ho boloka lebokose la filthara le hloekile ebile le se na tšenyo,hlahloba polokeho ea thepa e 'ngoe le e' ngoe moleng oa tlhahiso, ho kenyeletsoalibopi, bahlatsoi, mabokose a sefa lemechine e chesang e chesang holimo.

Beha poleiti ea sefe ka har'a lebokose la sefe, 'me u hatelle letlapa le koalang ka letsoho ho thibela mokelikeli oa aluminium hore o se ke oa feta kapa oa phaphamala.

Preheat lebokose la sefe le poleiti ea filthara ka ho lekana ho etsa hore li be haufi le mocheso oa aluminium e qhibilihisitsoeng, 'me mocheso oa preheating oa poleiti ea sefe ha o tlase ho feta.260 ℃.Ho futhumatsa ho tlosa metsi a adsorbed ho thusa ho bula boholo ba pore ea filthara hang-hang, ho thibela ho thijoa ha pore ea poleiti ea filthara ka lebaka la ho hola le ho honyela ha mocheso.Motlakase kapa khaseho futhumatsa ho ka sebelisoa bakeng sa ho futhumatsa pele, 'me ho futhumatsa ho tloaelehileng ho nka metsotso e 15-30.

Ka mor'a hore aluminiamo e qhibilihisitsoeng e tsoe ka lebokoseng la sefe, e fetela ka har'a sehlatsoa ho ea sethaleng se latelang sa ho lahlela.Ka nako ena, ela hloko liphetoho tsa aluminium hydraulic head, 'me u boloke tlhokahalo e tloaelehileng ea ho phalla ha metsi a aluminium.Hlooho e tloaelehileng ea khatello ea pele ke100-150 limilimithara.Ha aluminium e qhibilihisitsoeng e qala ho feta, hlooho ea khatello e tla theoha ka tlase75-100 limilimithara, 'me joale hlooho ea khatello e tla eketseha butle-butle.

Nakong ea ts'ebetso e tloaelehileng ea filthara,qoba ho kokotaleho thothomela poleiti ya sefe.Ka nako e ts'oanang, launder e lokela ho bae tletseng aluminiummetsi ho qoba tshitiso e ngata haholo ya mokelikeli wa aluminium.
Ka mor'a ho sefa, ntša poleiti ea filthara ka nako 'me u hloekise lebokose la sefe.