Kumakore akapoteredza 1700 ~ 1000 BC, China yakanga yapinda munguva yekare yekukanda bhuronzi uye yakanga yasvika padanho repamusoro muhunyanzvi hwekukanda.Kukanda (casting in English) inzira yekuti simbi yakasimba inonyungudutswa kuita mvura yodirwa muchimiro chakati chefovhoro kuti iome.Cast metal inowanzoreva mhangura, simbi, aluminium, tini, lead uye imwe simbi.Izvo zvakajairika zvekukanda jecha, ivhu, girazi remvura, resin uye zvimwe zvinhu zvinobatsira.Mhando dzekukanda dzekukandira dzakakosha dzinosanganisira kukanda mari, kurasika mold cast, metal mold casting, ceramic mold casting, nezvimwewo (jecha rekutanga rinosanganisira: jecha requartz, jecha remagnesia, jecha rezirconium, jecha rechromite, jecha re magnesium olivine, jecha rekristaro reblue, jecha regraphite, jecha resimbi, nezvimwewo)

Peta munguva yekutanga yekukanda

The Simuwu Square Cauldron ofiyo Shang Dynasty, Iyo Zeng HouYizun Plate yeWaring States Period, uye The Transparent Mirror yeWestern Han Dynasty zvese zvinomiririra zvigadzirwa zvechinyakare kukanda indasitiri.Mazhinji ekukanda kwekutanga aive maturusi aishandiswa mukurima, chitendero, hupenyu, nezvimwe. Panguva iyoyo, nzira yekukanda yakagadziridzwa inoenderana neyakaumbwa uye yakakanganiswa zvakanyanya nehari.

Fold development

Mumakore akapoteredza 513 BC, China yakakanda katatu-simbi katatu muzvinyorwa zvakanyorwa pasi rose, inorema 270 kg.Cast iron yakagadzirwawo muEurope kutenderera 8th century.Kuonekwa kwesimbi yakakandwa kwakawedzera huwandu hwemashandisirwo ekukanda.Somuenzaniso, muzana remakore rechi15 kusvika ku17, Germany, France nedzimwe nyika dzakaisa pombi dzesimbi dzakawanda kuti dzipe mvura yokunwa kuvagari vemo.Mushure mekuchinja kwemaindasitiri muzana ramakore rechi 18, kusimuka kweinjini yemhepo, muchina wemachira, njanji uye mamwe maindasitiri, kusundidzira indasitiri mune imwe nguva nyowani yekushandira indasitiri hombe.Panguva imwecheteyo, tekinoroji yekukanda yakatanga kuve nebudiriro huru.