1- Yini I-Shell Mold Casting?
Ukubunjwa kwegobolondokubizwa nangokuthi i-pre-coated resin sand casting, ukubunjwa kwegobolondo elishisayo noma ukuphonsa okuphakathi. Impahla yokubumba eyinhloko isihlabathi se-phenolic resin esakhiwe ngaphambili, esibiza kakhulu kunesihlabathi esiluhlaza nesihlabathi se-furan resin. Ngaphezu kwalokho, lesi sihlabathi asikwazi ukuphinda sisetshenziswe. Ngakho-ke, i-ukubunjwa kwegobolondobabe nezindleko eziphakeme kunokubunjwa kwesihlabathi. Kodwa-ke, uma kuqhathaniswa nokukhishwa kwesihlabathi esiluhlaza, ukubunjwa kwegobolondo kunezinzuzo eziningi njengokubekezelelana okuphezulu, ikhwalithi enhle yendawo kanye nokukhubazeka okuncane kokuphonsa. Inqubo yokubunjwa kwegobolondo ifaneleka ngokukhethekile ukukhiqiza ukubunjwa komumo onzima, imikhumbi yokucindezela, ukuzwela kwesisindo kanye nokulingisa okudinga ukuqedwa okuphezulu kwendawo.
2- Yiziphi Izinyathelo Zokusakaza Kwesikhunta Segobolondo?
✔ Ukwenza Amaphethini Ensimbi. Isihlabathi se-resin esinamekwe ngaphambili sidinga ukushisisa kumaphethini, ngakho-ke amaphethini ensimbi ayithuluzi elidingekayo ukwenza ukubunjwa kwegobolondo.
✔ Ukwenza Isikhunta Sesihlabathi Esifakwe Ngaphambili. Ngemuva kokufaka amaphethini ensimbi emshinini wokubumba, isihlabathi se-resin esandulelwe ngaphambili sizodutshulwa emaphethini, futhi ngemva kokushisa, ukugqoka kwe-resin kuzoncibilika, khona-ke isikhunta sesihlabathi sibe igobolondo lesihlabathi esiqinile kanye nama-cores.
✔ Ukuncibilikisa i-Cast Metal. Kusetshenziswa iziko lokungeniswa, izinto zingancibilika zibe uketshezi, bese ukwakheka kwamakhemikhali ensimbi ewuketshezi kufanele kuhlaziywe ukuze kufane nezinombolo ezidingekayo namaphesenti.
✔ Ukuthela Insimbi. Lapho insimbi encibilikisiwe ihlangabezana nezidingo, izothululelwa ezibunjeni zegobolondo. Ngokusekelwe ezinhlamvini ezihlukene zomklamo wokulingisa, isikhunta segobolondo sizongcwatshwa esihlabathini esiluhlaza noma sipakishwe ngezandlalelo.
✔ Shot Blasting, Grinding and Cleaning. Ngemva kokupholisa nokuqiniswa kwama-castings, izikhuphukeli, amasango noma insimbi eyengeziwe kufanele inqunywe futhi isuswe. Khona-ke insimbi izohlanzwa ngemishini yokuchaya isihlabathi noma imishini yokudubula. Ngemva kokugaya ikhanda le-gating kanye nemigqa yokuhlukanisa, iphelileukuphonsa izingxenyeuzofika, ulindele ezinye izinqubo uma kudingeka.
3- Yiziphi Izinzuzo Ze-Shell Mold Casting?
✔ Ukubunjwa kwe-Shell-moul ngokuvamile kunembe kakhulu kunohlangothiukukhishwa kwesihlabathi.
✔ Indawo ebushelelezi ye-castings eqediwe ingatholakala ngokusakazwa kwegobolondo.
✔ Ama-engeli okusalungiswa aphansi kunokubunjwa kwesihlabathi adingeka ngokusakazwa kwesikhunta segobolondo.
✔ Ukungena kwegobolondo kuphezulu ngakho-ke ukufakwa kwegesi okuncane noma akukho okwenzekayo.
✔ Inqubo yokwenza isikhunta segobolondo idinga isihlabathi esincane kakhulu.
✔ Ukusebenzisa imishini kungenzeka ngenxa yokucubungula okulula okuhilelekile ekubumbeni amagobolondo.
4- Yiziphi Izinsimbi nama-alloys Angasakazwa yi-Shell Mold Casting Process atI-RMC Shell Mold Foundry?
•I-Grey Cast Iron: GG15, GG20, GG25, GG30, GG35.
•I-Ductile Cast Iron: GGG40, GGG50, GGG60, GGG70, GGG80.
• I-Cast Carbon Steel: I-Low Carbon Steel, i-Medium Carbon Steel kanye ne-High Carbon Steel kusukela ku-AISI 1020 kuya ku-AISI 1060.
• Ama-Cast Steel Alloys: 20CrMnTi, 20SiMn, 30SiMn, 30CrMo, 35CrMo, 35SiMn, 35CrMnSi, 40Mn, 40Cr, 42Cr, 42CrMo...njll ngesicelo.
• I-Cast Stainless Steel: I-AISI 304, i-AISI 304L, i-AISI 316, i-AISI 316L nelinye ibanga lensimbi engagqwali.
• Ama-Aluminium Alloys asakazwayo.
• Ithusi nethusi.
• Ezinye Izinto kanye Namazinga ngokucelwa
5- Yikuphi Ukubekezelela Kokusakaza Okungafinyelelwa Ngenqubo Yokusakaza Ye-Shell Mold?
Njengoba sishilo ekubekezeleni ukubunjwa kokubunjwa kwesihlabathi, ukukhishwa kwesikhunta segobolondo kunokunemba okuphezulu kakhulu nokubekezelelana okuqinile kunokubunjwa kwesihlabathi. Lapha okulandelayo yibanga elijwayelekile lokubekezelela esingalifinyelela ngokusakazwa kwesikhunta segobolondo nokusakazwa kwesihlabathi se-furan resin engabhaki:
✔ Ibanga le-DCT nge-Shell Mold Casting noma i-Furan Resin Sand Casting: CTG8 ~ CTG12
✔ Ibanga le-GCT nge-Shell Mold Casting noma i-Furan Resin Sand Casting: CTG4 ~ CTG7