China OEM tsika ductile simbi yakarasika wakisiinvestment casting productsneCNC machining, kurapwa kwekupisa uye masevhisi ekurapa epamusoro.
Kazhinji inokandwa nekudyara kwekudyara, green jecha kukanda uyeshell mold casting, ductile iron castings inopa dhizaini kuchinjika uye kuderedzwa kwemitengo yekugadzira maringe neyakagadzirwa machira uye mafogi. Ductile iron castings ine maitiro akawanda, zvisinei, haisi nguva dzose inodhura-inoshanda kune mamwe ferrous alloys. Pamusoro pezvo, ma ductile irons anoshandiswa zvakanyanya mumaindasitiri mazhinji ekugadzira, anosanganisira zvekurima, mota, hydaulics, zvitima zvenjanji, marori ekutengesa uye maindasitiri emuchadenga.
Simbi yekukandira, kunyanya kusanganisira grey cast iron uye ductile (nodular) simbi yekukanda inonyanya kushandiswa kukanda nemaitiro ekukanda jecha, kuumbwa kwegomba, kukanda jecha rakavharwa kana kurasika furo. Nekudaro, kune mamwe mamiriro akakosha, iyoyakarasika wax investment kukanda muitiroinoshandiswawo nekuda kwepamusoro pepamusoro uye nepamusoro-soro. PaRMC, isu zvakare tine kugona kwekukanda grey iron uye ductile zvine hunyanzvi hwakarasika wax investimendi yekukandira uchishandisa silica sol uye girazi remvura rekuvaka magoko. Cast irons ndiwo maferrous alloys ane carbon content inopfuura 2%. Kunyangwe simbi dzakakandwa dzinogona kuva nekabhoni muzana pakati pe2 kusvika 6.67, muganho unoshanda unowanzo pakati pe2 ne4%. Izvi zvakakosha zvakanyanya nekuda kwehunhu hwavo hwekukanda hwakanakisa. Iyo grey cast irons uye ductile cast irons (inonziwo nodular cast iron kana spheroidal graphite iron).
Kana graphite iripo sediki, denderedzwa, uye yakagovaniswa zvidimbu, kushaya simba kwayo idiki uye simbi dzakakandwa dzakadaro dzinenge dziine ductility yakakwirira. Iri rudzi rwesimbi yakakandwa inonzi ductile kana nodular iron kana spheroidal graphite kana kungoti SG iron. Iyi fomu yegraphite inogona kuwanikwa nekuwedzera elemental magnesium kana cerium kana musanganiswa wezvinhu zviviri izvi kusimbi yakanyungudutswa. Magnesium inowedzerwa muhuwandu hwe0.07 kusvika 0. 10% inoteverwa nekuwedzera kweferro-silicon kukurudzira graphitization. Munguva yekusimba, magnesium inobatsira mukugovera graphite mukati mesimbi yese.
Ductile iron ine zvirinani simba-ku-huremu reshiyo, zvirinani machinability uye yakakwirira kukanganisa kukosha. Uyezve, iyo ductile iron zvikamu zvinogadzirwa nekukanda maitiro umo kudzora kurinani kwechikamu chimiro kunogona kuwanikwa kana ichienzaniswa nekudonha kwekugadzira. Nekudaro, zvakawanda zvinoumba senge crank shafts uye machira ekubatanidza anogadzirwa kazhinji nekudonhedza madonhwe ari kuwedzera kutsiviwa ne ductile iron castings.
