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Histori ea lefu la tsoekere.

Histori ea lefu la tsoekere.

Mehlala ea pele ea ho lahla lefu ka ente ea khatello - ho fapana le ho lahlela ka khatello ea matla a khoheli - e etsahetse bohareng ba lilemo tsa bo-1800. Patent e ile ea fuoa Sturges ka 1849 bakeng sa mochini oa pele o sebelisoang ka letsoho oa ho etsa mofuta oa khatiso. Mokhoa ona o ne o lekanyelitsoe ho mofuta oa khatiso lilemong tse 20 tse latelang, empa tsoelo-pele ea libōpeho tse ling e ile ea qala ho eketseha ho ea qetellong ea lekholo lena la lilemo. Ka 1892, likopo tsa khoebo li ne li kenyelletsa likarolo tsa likeramafono le lirekoto tsa chelete, 'me tlhahiso e ngata ea mefuta e mengata ea likarolo e qalile mathoasong a lilemo tsa bo-1900.

Li-alloys tsa pele tsa die casting e ne e le liqapi tse fapaneng tsa thini le loto, empa tšebeliso ea tsona e ile ea fokotseha ha ho hlahisoa lialloi tsa zinki le aluminium ka 1914. Metsoako ea Magnesium le ea koporo e ile ea latela kapele, ’me ka bo-1930, boholo ba metsoako ea kajeno e ntseng e sebelisoa kajeno e ile ea fetoha. fumaneha.

Mokhoa oa "die casting" o fetohile ho tloha ho mokhoa oa pele oa ente ea khatello e tlase ho ea ho mekhoa e kenyelletsang khatello e phahameng ea khatello - ka matla a fetang liponto tse 4500 ka lisenthimithara tse sekwere - ho penya le ho lahla semi-solid die casting. Mekhoa ena ea sejoale-joale e khona ho hlahisa botšepehi bo phahameng, haufi le li-castings tse nang le sebopeho sa marang-rang tse nang le lisebelisoa tse ntle haholo.


Nako ea poso: Jul-08-2021
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