Simintin Kumfa da aka ɓace yana nufin hanyar yin simintin da ke haɗa ƙirar kumfa tare da bushewar yashi. Ƙarfe ɗin da aka narkar da kai tsaye yana cike da maye gurbin sararin samaniyar asalin filastik na asali, kuma kai tsaye yana samun simintin da ake buƙata bayan sanyaya. Tsarin kumfa yana yin tururi kai tsaye yayin aikin simintin ƙarfe, don haka ɓataccen simintin kumfa baya buƙatar cire ƙura. A mafi yawarasa wuraren yin simintin kumfa, abin da aka saba amfani dashi shine polystyrene.
Matakan naBatar da Kumfa:
1- Yi amfani da kumfa don samar da tsarin kumfa da tsarin gating
2- Haɗe da alamu da masu gudu don samar da tsarin ƙirar ƙira
3- Dip fenti a kan module
4- bushe fenti
5- Sai ki saka modul a cikin akwatin yashi sannan ki cika shi da busasshiyar yashi
6- Vibrate gyare-gyare domin cika ramin da busasshiyar yashi sannan a datse yashi mai gyaggyarawa.
7- Zuba da narkakkarfa domin ya vapor da kumfa sannan a samar da simintin da ake so
8- Bayan simintin ya huce, a tsaftace simintin. Za a iya sake yin amfani da busasshiyar yashi
Amfanin Simintin Kumfa:
1- Bacewar simintin kumfa hanya ce ta kusa da sifar sifa. Haƙurin juzu'i na simintin gyare-gyare na iya kaiwa CT6 ~ CT9, kuma rashin ƙarfi na saman shine Ra = 6.3 ~ 50 μm. Siffar simintin kumfa da aka rasa na iya zama kwatankwacin simintin yashi na guduro.
2- Rushewar kumfa na iya haifarwasimintin gyare-gyaretare da hadaddun siffofi da hadaddun cavities. Idan aka kwatanta da tsarin yashi na guduro, yawancin yashi ana maye gurbinsu, mafi girman ribar da aka rasa na simintin kumfa. Babban gasa na batattu kumfa simintin ne samar da wuya simintin gyaran kafa tare da hadaddun ciki cavities, kamar engine block, engine shugaban da akwatin, da dai sauransu Wadannan halaye sa fifiko da tattalin arziki amfanin rasa kumfa simintin cikakken bayyana, da kuma gane da nauyi da kuma nauyi. daidai gwargwado.
3- Bacewar simintin kumfa ba ya buƙatar cire ƙura, wanda ke ba da yanci mafi girma don ƙira da tsarin simintin. Dangane da zayyana tsari, tsarin simintin kumfa da ya ɓace ana fara karyewa kashi-kashi, sannan a raba shi gaba ɗaya, sannan a yi amfani da tsarin kumfa da aka rasa don yin simintin haɗin gwiwa, ta yadda bacewar kumfa ɗin ya sami fa'ida mai gasa tare da gargajiya. yashi simintin gyare-gyare.
4- Yin amfani da tsarin simintin kumfa da aka ɓace zai iya rage ƙarfin aiki sosai, rage haɓakar datti, kuma za a iya sake yin amfani da busasshiyar yashi. Wannan fasalin ya dace da buƙatun tanadin makamashi da rage fitar da hayaki, kuma ya canza yanayin ƙaƙƙarfan yanayi na simintin yashi na gargajiya.
| Abu | Batar da Kumfa | Vacuum Casting |
| Dace da Castings | Simintin gyare-gyare kanana da matsakaita tare da hadaddun cavities, kamar toshe injin, murfin injin | Matsakaici da manyan simintin gyare-gyare tare da ƴan ko babu kogo, kamar simintin ƙarfe na ƙarfe, gidaje na axle na simintin ƙarfe |
| Samfura da Faranti | Hanyoyin kumfa da aka yi ta hanyar gyare-gyare | Samfura tare da akwatin tsotsa |
| Akwatin Sand | Shaye-shaye na kasa ko biyar | Shaye-shaye na bangarori hudu ko tare da bututun shaye-shaye |
| Fim ɗin Fim | An rufe murfin saman da fina-finai na filastik | Dukkan bangarorin biyu na rabi na akwatin yashi an rufe su da fina-finai na filastik |
| Kayan shafawa | Fenti na tushen ruwa tare da rufi mai kauri | Fenti na tushen barasa tare da murfin bakin ciki |
| Yashi Molding | Yashi mai bushewa | Yashi bushe mai kyau |
| Gyaran Jijjiga | 3D Jijjiga | Vibration na tsaye ko a tsaye |
| Zubawa | Zuba Mara Kyau | Zuba Mara Kyau |
| Tsarin Yashi | Rage matsa lamba mara kyau, juya akwatin don sauke yashi, sannan a sake amfani da yashi | Sauke matsa lamba mara kyau, sannan busassun yashi ya faɗi cikin allon, kuma ana sake yin amfani da yashi |
