Foamcast Flow Chart

foamcast® - Lost Foam Casting Process Flow Chart

	EPS Beads in 25kgs. Bags
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Pre-Expansion of EPS Beads at Desired Density
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Maturation and drying of Pre-Expanded EPS Bead
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Injection of Pre-Expanded EPS Bead in Aluminum Tool for Pattern

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Further expansion followed by fusion of Pre-Expanded EPS Bead in Aluminum Tool mounted on moulding machine.


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Drying of moulded Polystyrene Foam Patterns.
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	Assembly/Gluing of Patterns.
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Coating of Polystyrene Foam Patterns.
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	Drying of Ceramic Shell
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	Burn-off of Polystyrene
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Preparation of Shell for Pouring
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	Compaction of Sand
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Vacuum Assistance for removal of gasses
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		Cooling
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	Knockout / Finishing

Note: Non-proprietary terms that have been used to describe similar processes include: cavityless casting, evaporative foam casting, foam vaporization casting, lost pattern casting, the castral process, expanded polystyrene molding, EPC, Evaporative Pattern Casting, LFT, Lost Foam Technology, Expendable Pattern Casting, lostfoam, shellfoamcast, etc.