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Lost foam casting
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Lost foam casting
- Details
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Lost Foam Casting: An advanced casting process centered around foam patterns
Lost foam casting is an advanced casting technique that uses a foam pattern as the primary mold. Its core principle is to replace traditional molds with foam patterns; during pouring, the high-temperature molten metal vaporizes the foam and fills the cavity. This process, combined with no-binder dry sand molding technology, eliminates the traditional mold parting, core removal, and assembly steps.
This process can efficiently produce complex hollow structures (such as automotive engine blocks and hydraulic valve bodies) and ultra-thin-walled components (wall thickness as low as 1 mm). Its dimensional tolerance is ±0.5 mm, surface roughness is Ra 12.5-25 μm, material utilization rate exceeds 95%, and machining allowance is reduced by more than 30%.
The dry sand recovery rate of this method is ≥98%, and there is no chemical binder pollution. Compared with traditional processes, energy consumption is reduced by 20%-30%, and the production cycle is shortened by 40%. It combines high precision, low cost, and environmentally friendly manufacturing, making it particularly suitable for precision parts in the automotive and aerospace industries, as well as art castings.
Lost foam casting is an innovative solution for mass production of complex metal parts, especially suitable for situations requiring complex geometries, lightweight designs, and low costs. It is particularly advantageous in small-batch customization and environmentally demanding applications, making it an ideal choice for the automotive, machinery, art casting, and specialized industrial fields.
■ Applicable Materials
304 Stainless Steel, 316L Stainless Steel
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