Vacuum pouring method for gypsum mold high-precision casting of aluminum and magnesium alloy
The invention discloses a vacuum pouring method for gypsum mold high-precision casting of aluminum and magnesium alloy, which comprises: (1) manufacturing a gypsum mold; (2) removing the mold and drying; and (3) pouring vacuum pouring, taking the dried gypsum out, clearing the impurities in a moldin...
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| Format: | Patent |
| Sprache: | chi ; eng |
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