Fitar koren yashi bashi da buƙatar bushewa kuma yana ɗaukar bentonite azaman mai ɗaurewa. Babban fasalin koren yashi shi ne cewa baya buƙatar bushewa da ƙarfi, yayin da yake da ƙarfin ƙarfi. Kodayake ƙarfin ya yi ƙanƙan, yana da mafi kyaun baya kuma yana da sauƙin girgizawa; haka ma, da kore yashi simintin tsari yana da dama ab advantagesbuwan amfãni daga high gyare-gyaren yadda ya dace, short samar da sake zagayowar, low abu kudin da shi ne mai sauki don tsara kwarara samar. Koyaya, saboda ƙirar yashi ba ta bushe ba, tururin turɓaya da ƙaura suna bayyana a saman ƙurar yashi yayin yin simintin, wanda ke sa simintin gyaran ya zama mai da hurawa, shigarwar yashi, yashi mai yashi, yashi mai ɗaci da sauran lahani.
Domin bayar da cikakkiyar wasa ga fa'idar koren yashi da inganta ingancin simintin gyare-gyare, ya zama dole a kula da daidaitaccen gyaran yashi, karami da daidaiton kyallen yashi da daidaitar aikin jefawa yayin aikin samarwa. Sabili da haka, cigaban fasahar ƙera sandar kore ya kasance yana da alaƙa sosai da ci gaban injin inji da fasahar kera abubuwa.
Kwanan nan, kore yashi gyara inji gyare-gyaren ya ci gaba daga talakawa inji gyare-gyaren zuwa high-yawa inji gyare-gyaren. Ofarfin aikin ƙira, ƙididdigar ƙirar ƙira, da daidaitattun ƙirar simintin gyare-gyare na ci gaba da ƙaruwa, yayin da ƙimar dusar ƙanƙan da ke kan dutsen tana ci gaba da raguwa. Tsarin aikin gyaran yashi na koren (lokacin da ba a shafa fenti ba) yana iya samar da simintin ƙarfe wanda nauyinsa yakai kilogram ɗari.
Kore yashi gabaɗaya ya ƙunshi sabon yashi, tsohuwar yashi, bentonite, addenda da kuma adadin ruwa daidai. Kafin kirkirar rabo daga gyaran yashi, ya zama dole don ƙayyade kewayon aiki da kuma kula da darajar ƙira ta yaren yashi bisa ga nau'in gami da aka zuba, halaye da buƙatun da simintin gyare-gyare, hanyar gyare-gyaren da kuma tsari da tsabtace hanya . Bayan haka, gwargwadon nau'ikan da bayanai dalla-dalla na albarkatun kasa daban-daban, hanyar sarrafa yashi, kayan aiki, yashi zuwa rabon ƙarfe da ƙimar asarar asarar abubuwa daban-daban ana amfani dasu don tsara rarar yashi. Manuniyar fasaha da kuma yadda ake yin yashi za a iya tantance shi ne kawai bayan tabbatarwar samarwa na dogon lokaci.
▶ abilitiesarfin Sand ofan yashi wanda aka sarrafa da hannu a Green Sand Foundry na RMC:
• Girman Girma: 1,500 mm × 1000 mm × 500 mm
• Girman Nauyin: 0.5 kg - 500 kg
• Karfin Shekaru: Tan 5,000 - tan 6,000
• Haƙuri: Akan Neman ko Matsayi
• Abubuwan oldaura: Gwanin Sand Sand, Castarƙashin oldaura Sandasa.
Abubuwan ofarƙan Sandaura ta Machinananan Molding Machines:
• Girman Max: 1,000 mm × 800 mm × 500 mm
• Girman Nauyin: 0.5 kg - 500 kg
• acarfin Shekara-shekara: Tan 8,000 - Tan 10,000
• Haƙuri: Akan Neman.
• Abubuwan oldaura: Gwanin Sand Sand, Castarƙashin oldaura Sandasa.
▶ Abubuwan Da Aka Samu Don Yin Sand Foundry a RMC:
• Brass, Red Copper, Bronze ko wasu ƙarfe na ƙarfe na ƙarfe: ZCuZn39Pb3, ZCuZn39Pb2, ZCuZn38Mn2Pb2, ZCuZn40Pb2, ZCuZn16Si4
• baƙin ƙarfe baƙin ƙarfe: HT150, HT200, HT250, HT300, HT350; GJL-100, GJL-150, GJL-200, GJL-250, GJL-300, GJL-350; GG10 ~ GG40.
• ctarfe Ductile Iron ko Nodular Iron: GGG40, GGG50, GGG60, GGG70, GGG80; GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2; QT400-18, QT450-10, QT500-7, QT600-3, QT700-2, QT800-2;
• Aluminium da Alloys ɗinsu
• Sauran Kayan aiki kamar yadda bukatunku suke ko bisa ga tsarin ASTM, SAE, AISI, ACI, DIN, EN, ISO, da GB
