...
I-Foundry Ceramic Sand, eqanjwe ngobuchwepheshe ngokuthi “Isihlabathi Sobumba Esiyindilinga Se-Foundry”, esiphinde siqanjwe nangokuthi i-ceramsite, i-cerabeads, i-ceramcast, amanye amazwe aphinde aqanjwe ngokuthi Isihlabathi Segolide, siwumumo omuhle wokusanhlamvu oyindilinga owenziwe nge-bauxite e-calcined.Okuqukethwe kwayo okuyinhloko i-aluminium oxide ne-Silicon oxide.Isihlabathi se-Ceramic, sinezinto ezingcono kakhulu kunesihlabathi se-silica ukuze sithole ukusebenza okungcono kakhulu ku-Foundry.Inokuphikiswa okuphezulu, ukunwetshwa okuncane kokushisa, i-angular coefficient enhle, ukugeleza okuhle kakhulu, ukumelana okuphezulu kokugqoka, ukuchoboza kanye nokushaqeka okushisayo, izinga eliphezulu lokubuyisela kabusha.
Ingxenye Yekhemikhali Eyinhloko | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
Umumo Wokusanhlamvu | I-Spherical |
I-Angular Coefficient | ≤1.1 |
Usayizi Oyingxenye | 45μm -2000μm |
I-Refractoriness | ≥1800℃ |
Ukuminyana kwenqwaba | 1.5-1.6 g/cm3 |
I-Thermal Expansion (RT-1200℃) | 4.5-6.5x10-6/k |
Umbala | Isihlabathi |
PH | 6.6-7.3 |
Ukubunjwa kweMineralogical | I-Mullite + Corundum |
Izindleko ze-Acid | 1 ml/50g |
LOI | <0.1% |
I-Kaist Ceramic foundry sand icishe ibe yingxenye yokukhanya njenge-zircon ne-chromite, icishe ilingane nesithathu njengokukhanya njengesihlabathi se-ceramic esihlanganisiwe.Uma kuqhathaniswa nalezi zihlabathi zemvelo kanye nezinye imidiya ye-Foundry (izinto ezibonakalayo ziyakwazi ukuphuma cishe kabili inani lesikhunta ngeyunithi ngayinye yesisindo).Isihlabathi se-Kaist Ceramic foundry singaletha amaphakheji esikhunta kanye nesisekelo anezinhlobonhlobo zezinzuzo ezihlanganisa amaphakheji wokusakazwa kwesihlabathi anamandla aphezulu, anokumelana nokushisa okuphezulu, ukunwetshwa okushisayo okuphansi, ukulungiswa kwengxenye yokugcina okuthuthukisiwe kanye nokuqedwa okubushelelezi kwendawo.Ingase futhi isingathwe kalula kakhulu, ukonga abasebenzi kanye nokudlulisa izindleko zamandla.Kodwa-ke, umkhiqizi uncoma ukunaka inani lokuhlanganisa okuhlanganisayo.
Njengento engathathi hlangothi, isihlabathi se-KAIST sobumba sisebenza kuma-asidi nama-alkali resins.
Ingasetshenziselwa kabanzi ukwenza insimbi ekhonjiwe, insimbi ekhonjiwe nezinsimbi ezingenayo insimbi, njengokuphonswa kwegwebu elilahlekile, isihlabathi esimboziwe, isihlabathi se-resin, ibhokisi elibandayo eliyisisekelo, ukusakaza okunembayo, nokuphrinta kwe-3D.
Ukusabalalisa usayizi wezinhlayiyana kungenziwa egcizelele ngokuvumelana nemfuneko yakho.
I-Mesh | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Ipani | I-AFS | |
μm | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Ipani | ||
Ikhodi | 20/40 | 15-40 | 30-55 | 15-35 | ≤5 | 20±5 | ||||||
30/50 | ≤1 | 25-35 | 35-50 | 15-25 | ≤10 | ≤1 | 30±5 | |||||
40/70 | ≤5 | 20-30 | 40-50 | 15-25 | ≤8 | ≤1 | 43±3 | |||||
70/40 | ≤5 | 15-25 | 40-50 | 20-30 | ≤10 | ≤2 | 46±3 | |||||
50/100 | ≤5 | 25-35 | 35-50 | 15-25 | ≤6 | ≤1 | 50±3 | |||||
100/50 | ≤5 | 15-25 | 35-50 | 25-35 | ≤10 | ≤1 | 55±3 | |||||
70/140 | ≤5 | 25-35 | 35-50 | 8-15 | ≤5 | ≤1 | 65±4 | |||||
140/70 | ≤5 | 15-35 | 35-50 | 20-25 | ≤8 | ≤2 | 70±5 | |||||
100/200 | ≤10 | 20-35 | 35-50 | 15-20 | ≤10 | ≤2 | 110±5 |