Metal Casting Flask
Metal Casting Flask or Lost Foam Casting (LFC) is a sophisticated technique ,utilized by foundries to produce intricate metal parts with exceptional precision. A critical element of this process is the LFC Sand Box, also known as a flask or sandbox,or Metal Casting Flask. it is essential for creating secure, uniform molds that yield high-quality final castings.

In LFC, the sand box holds the sand mold during the metal pouring process. Unlike traditional casting methods, LFC eliminates separate mold-making steps; instead, a foam pattern, which replicates the final part, is inside and surrounded by compacted sand. When molten metal is poured in, the excess foam evaporates, leaving a cavity for the metal to fill, completing the casting process.
The LFC Sand Box (Lost Foam Casting Flask)is specifically to meet the demanding requirements of Lost Foam Casting, differentiating it from sandboxes used in other casting methods like vacuum process casting. Its materials and design ensure that the sand molds maintain integrity, despite the high temperatures and pressures, associated with metal casting.

Technical Specifications
internal size mording box(mm) | Mording efficiency
(mold/h) |
Annual output | sand processing
capacity (t/h) |
Casting products |
1200*1400*320/360mm | 8-10 | 10000 | 5 | Casting rear axle ,brake ,drum,counterweight |
1200*1200*250/300mm 1200*1200*400/450mm 1200*1200*600/600mm |
5-7 | 10000 | 5 | wear resistant steel casting,steel gratings |
1600*1250*500/300mm 2800*1200*350/450mm |
6 | 10000 | 5-10 | single piece and small batch of castings |
1750*1600*650/450mm | 5-10 | 10000 | 5-10 | gray iron castings,counterweight for forkifts,loaders |
1000*630*150/150mm 1000*800*150/150mm |
10-15 | 600-1000 | 5 | stainless steel castings such as acid resistant pump impeller |
2000*1600*360/310mm | 10 | 30000 | 35-40 | Casting rear axle for trucks |
3100*1900*450/450mm 3100*1900*350/550mm |
20 | 50000 | 50 | steel castings for railway parts, bottom, bolater ,side frame |