Tha gainmheach ceirmeag sintered Kaist, a tha na h-aon thoraidhean ri Nagai Cerabeads aig Ceratec, na sheòrsa de ghainmheach fùirneis ceirmeag a thathas a’ cleachdadh gus molltairean agus coraichean a chruthachadh airson tilgeadh meatailt stuthan àrd-luach anns na gnìomhachasan càraichean, ola & gas, mèinnearachd agus togail. Tha sin a’ toirt a-steach blocaichean siolandair agus bhalbhaichean uisgeachaidh, a bharrachd air pumpaichean, impellers agus innealan. Tha gainmheach fuadain Kaist air a dhèanamh de chriostalan mullite le càileachd air leth seasmhach. Bidh iad air an toirt a-mach le bhith a’ losgadh gràinneagan spherical, chan ann le bhith gan pronnadh.
Mar an stuth amh clò-bhualaidh gainmheach 3D, a-nis tha ExOne, Voxeljet, KOCEL, msaa aig ar com-pàirtichean.
Prìomh phàirt ceimigeach | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
Cruth Gràinne | Spherical |
Angular Coefficient | ≤1.1 |
Meud Pàirteach | 45μm -2000μm |
Refractoriness | ≥1800 ℃ |
Mòr-dhlùths | 1.5-1.6 g / cm3 |
Leudachadh teirmeach (RT-1200 ℃) | 4.5-6.5x10-6/k |
Dath | gainmheach |
PH | 6.6-7.3 |
Cumadh Mèinnearach | Bog + Corundum |
Cosgais searbhagach | < 1 ml/50g |
LOI | <0.1% |
Kaist ceramic foundry sand is about half as light as zircon and chromite, is about third as light as fused ceramic sand. Compared to these natural sand and other foundry media (the material is able to turn out about twice the number of molds per unit weight). Kaist ceramic foundry sand can deliver mold and core packages with a range of benefits that include higher-strength sand casting packages, with high heat resistance, low thermal expansion, improved final part resolution and a smoother surface finish. It can also be handled very easily, saving labor and transfer power costs. However, the manufacturer recommends paying attention to the amount of binder addition.
Le bhith a 'cleachdadh gainmheach fhùirneis crèadha Kaist cuideachd a' lùghdachadh sgudal agus duslach, le luach ath-chuairteachaidh àrd de na stuthan. A bharrachd air an sin, thathas a’ cleachdadh gainmheach fùirneis ceirmeag Kaist mu thràth aig còrr air 100 fùirneis air feadh an t-saoghail; faodar an cleachdadh ann am pròiseasan dèanamh molltair traidiseanta gus toraidhean àrd-inbhe a lìbhrigeadh le raon de mheatailtean, a’ toirt a-steach steels (alloy ìosal, carbon, agus stainless), iarann (liath, ductile), alùmanum, agus meatailtean eile far a bheil smachd teann agus tha crìochnachadh uachdar a dhìth.
Faodar an cuairteachadh meud gràin a ghnàthachadh a rèir do riatanas.
Mogal |
20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
μm |
850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
Còd | 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 |
Roinnean-seòrsa bathar