Features:1. Compact the shell mold by pressing the shell from top to bottom or from left to right. Hydraulic or pneumatic drive is adopted to compact before casting, and automatically open after holding pressure for a certain time after casting……

Features:1. The shell mold is compacted tightly by filling normal temperature steel shots abound the shell mold in the molding flask. It is more suitable for shell mold casting of steel castings, with high density of casting material……