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Today I’m going lost foam casting an aluminium wheel using a technique that is both EASY and reliable. I get consistent, dependable results from it and it involved the use of good foam preparation, green sand and plaster feeders and vents. and I’ve previously prepared the foam using techniques that I’ve already shared with you.
Making use of my home made electric metal foundry, I heat the aluminium until it's pink, then I pour it through a plaster feeder into a previously prepared foam pattern. This evaporates leaving a solid metal casting in its place - it's as easy as that, or should be if you apply good casting techniques. Critically this includes good exhaust outlets to allow the built up gasses to vent, preventing porosity, folds, cold shuts and other such faults commonly associated with foam metal casting.
See this topic covered on my website here:
www.vegoilguy.co.uk/lost_foam_...
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