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Metal Casting Technology,Sand Casting

Number of visits: Date:2014-2-27
Sand casting, you might as well call it the sand molded casting.It is a metal casting process characterized by using sand as the mold material. 
Sand castings is produced in specialized factories called foundries. Over 70% of all metal castings is produced by the sand casting process.
Sand castings are relatively cheap and sufficiently refractory even for steel foundries use. In addition to the sand, the suitable bonding agents (normally clay) are mixed or occurs with the sand. The mixture are moistened, typically with water, however sometimes with other substances, in order to improve strength and plasticity of the clay and to made the aggregate suitable for moldings. The sand are typically contained in a system of frames or mold boxes referred to as a flask. The cavities and gate system of mold are created by compacting the sand around moulds or patterns, or carved directly in to the sand.
There have 6 operation procedures in this process:
1.Place the pattern in sand to create a molding.
2.Incorporate the pattern & sand in one gating system.
3.Remove this pattern.
4.Fill the mold cavities with molten metals.
5.Waiting for the metal to cool.
6.Break away the sand molds and remove the castings.

TypeInfo: Industry Info

Keywords for the information:Sand Casting  Sand Molded Casting  Operation Steps 


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