Argon gas protection rotary blowing refining method for low-pressure casting of aluminum alloy melt
An aluminum alloy melt and argon protection technology, which is applied in the field of argon blowing and refining aluminum alloy melt, can solve the problems of differences in refining effects, etc., and achieve the effects of reducing oxidation slag inclusions and gas absorption, reducing production costs, and isolating contact Effect
Active Publication Date: 2019-04-16
XIAN SUPERCRYSYAL SCI TECH DEV CO LTD +1
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Abstract
The invention discloses an argon gas protection rotary blowing refining method for low-pressure casting of aluminum alloy melt. The method comprises the following steps that an aluminum alloy materialis melted; a refining device is adopted for carrying out argon gas blowing refining on molten aluminum after melting is finished, and molten aluminum alloy metal is left to stand after refining is finished; and a mold shell model waits to be poured; and a casting is poured by adopting a low-pressure casting device connected with an air compressor through a low-pressure casting process. The problem that the content of the aluminum alloy melt casted by low-pressure casting is large is solved, the density and pressure bearing capacity of the aluminum alloy are improved, the situation that the metallurgical quality is unstable and even scrapping occurs due to the fact that the aluminum alloy melt is large in gas content is avoided, so that the production cost of castings is greatly reduced; and the hydrogen content of every 100 g of a sample after refining is less than 0.1 mL, and the production efficiency is improved while the gas content of the aluminum alloy melt is reduced.
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Hydrogen contentAluminium alloy +6
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