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A lost foam casting process for the casting of metal objects
A lost foam casting process for the casting of metal objects
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机译:用于铸造金属物体的消失模铸造工艺
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摘要
1. A lost foam casting process for the casting of metal objects, in particular of aluminium and its alloys, in which a pattern of the product to be obtained which is produced from a foam of organic material is immersed into a mould constituted by a bath of dry sand containing no binder, characterised in that an isostatic gas pressure is applied by a gradual increase to the selected value to the mould after ? the mould has been filled with the molten metal and before the solidified fraction of metal exceeds 40 percent by weight.
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