Intshayelelo yeSand casting

Imibumbo yodongwe yayisetyenziswa kwiChina yakudala ukusukela kwiShang Dynasty (c. 1600 ukuya ku 1046 BC).IHoumuwu ding eyaziwayo (c. 1300 BC) yenziwa kusetyenziswa ukubumba ngodongwe.

Ukumkani waseAsiriya uSenaribhe (704–681 BC) wenza ubhedu olukhulu ukuya kutsho kwiitoni ezingama-30, kwaye uthi wayengowokuqala ukusebenzisa ukubumba ngodongwe kunendlela “yewax elahlekileyo”.

Ookumkani, oobawo, ookumkani, oobawo, babesenza imifanekiso eqingqiweyo yobhedu, bayikrobele ezindlwini zabo, ukuze babekwe ekuhleni ezindlwini zabo; yaninzi ioli, nomthwebeba, nenani lomsebenzi, abawabalelayo amazwe abo – mna Saneribhe, isikhulu sabathetheli bonke, nowayewazi wonke umsebenzi, ndacebisana neengcinga ezinzulu ngokuwenza loo msebenzi.Iintsika ezinkulu zobhedu, iingonyama ezibalekayo, ekungekho kumkani wakha wazenza phambi kwam, ngobuchule bobugcisa awathi uNinushki wagqibelela kum, kwaye ngokuqhutywa kobukrelekrele bam kunye nomnqweno wentliziyo yam, ndaqamba indlela yokwenza izinto. Wayenze ngobhedu, wayikrola.Ndadala iimbumba zodongwe ngokungathi ngengqiqo yobuThixo….ingonyama-kholosi ezilishumi elinesibini ezineengcwangu kunye neshumi elinambini lenkunzi yenkomo eyomeleleyo eyayibunjwe ngokugqibeleleyo…Ndagalela kuzo ubhedu ngokuphindaphindiweyo;Ndenza ngobuchule imifanekiso etyhidiweyo, ngathi ibinobunzima obusisiqingatha seshekele

Indlela yokubumba isanti yarekhodwa nguVannoccio Biringuccio kwincwadi yakhe eyapapashwa malunga no-1540.

Ngomnyaka we-1924, inkampani yemoto ye-Ford yabeka irekhodi ngokuvelisa i-1 yemoto yeemoto, kwinkqubo edla isinye kwisithathu semveliso yokuphosa iyonke e-US Njengoko imboni yemoto ikhula imfuno yokwandisa ukusebenza kakuhle kokuphosa.Imfuno ekhulayo yokulahlwa kushishino olukhulayo lweemoto kunye noomatshini bokwakha ngexesha nasemva kweMfazwe yeHlabathi yokuQala kunye neMfazwe yesibini yeHlabathi, yavuselela ukuqanjwa okutsha kumatshini kunye ne-automation kamva yetekhnoloji yenkqubo yokuphosa isanti.

Kwakungekho mqobo omnye kwimveliso ekhawulezayo yokuphosa kodwa kunokuba zininzi.Uphuculo lwenziwa kwisantya sokubumba, ukulungiswa kwesanti, ukuxuba isanti, iinkqubo zokwenziwa kondoqo, kunye nesantya esicothayo sokunyibilika kwesinyithi kwiziko le-cupola.Ngo-1912, i-slinger yesanti yasungulwa yinkampani yaseMelika i-Beardsley & Piper.Ngomnyaka ka 1912, umxube wokuqala wesanti onamakhuba ajikelezayo axhonywe ngabanye wathengiswa yiNkampani yeSimpson.Ngomnyaka we-1915, iimvavanyo zokuqala zaqala ngodongwe lwe-bentonite endaweni yodongwe olulula lomlilo njengento yokudibanisa kwisanti yokubumba.Oku kwandise kakhulu amandla aluhlaza kunye nokomileyo okubumba.Ngo-1918, isiseko sokuqala esizisebenzela ngokupheleleyo sokwenza iibhombu zezandla zoMkhosi wase-US saya kwimveliso.Ngomnyaka we-1930 i-furnace yokuqala ye-high-frequency coreless electric yafakwa e-US Ngo-1943, i-ductile iron yaqanjwa ngokudibanisa i-magnesium kwintsimbi engwevu esetyenziswa ngokubanzi.Ngomnyaka we-1940, kwasetyenziswa ukubunjwa kwesanti eshushu kunye nesanti engundoqo.Ngomnyaka we-1952, "inkqubo ye-D" yaphuhliswa ukwenza i-shell molds kunye nesanti ecolekileyo, efakwe ngaphambili.Ngo-1953, inkqubo yesanti engundoqo ye-hotbox apho ii-cores zinyangwa ngokufudumeleyo yasungulwa.

Kwi-2010s, ukuveliswa okongeziweyo kwaqala ukusetyenziswa ekulungiseleleni isikhunta sesanti kwimveliso yorhwebo;endaweni yokwenziwa kwesanti ngokupakisha isanti ejikeleze ipateni, iprintwe nge-3D.

Ukubunjwa kwesanti, okwakwaziwa njengokubunjwa kwesanti, yiukuphosa isinyithiinkqubo ephawulwa ngokusetyenziswaisantinjengengundoimpahla.Igama elithi "ukugalelwa kwesanti" linokubhekisa kwinto eveliswe ngenkqubo yokuphosa isanti.Ukwenziwa kwesanti kuveliswa kwiingcaliiifektriebizwaabaseki.Ngaphezulu kwe-60% yazo zonke iintsimbi ezityhidiweyo ziveliswa ngenkqubo yokuphosa isanti.

Imingundo eyenziwe ngesanti ayibizi mali ininzi, kwaye iyamelana ngokwaneleyo nokuba isetyenziselwa isiseko sentsimbi.Ukongeza kwisanti, i-agent edibeneyo efanelekileyo (ngokuqhelekileyo udongwe) ixutywe okanye iyenzeka ngesanti.Umxube ufumile, ngokuqhelekileyo ngamanzi, kodwa ngamanye amaxesha kunye nezinye izinto, ukuphuhlisa amandla kunye neplastiki yodongwe kunye nokwenza i-aggregate ifanele ukubumba.Isanti ngokuqhelekileyo iqulethwe kwinkqubo yezakhelo okanyeiibhokisi zokubumbaeyaziwa ngokuba aiflaski.Iimingxunya yokungundakwayeinkqubo yesangozidalwe ngokudibanisa isanti malunga nemifuziselo ebizwaiipateni, ngokukrola ngqo esantini, okanye ngoUshicilelo lwe-3D.


Ixesha lokuposa: Jun-18-2020
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