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Sand casting: casting method for producing castings in sand casting. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting.
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Casting: the process of smelting metal into a liquid that meets certain requirements and pouring it into a mold. After cooling and solidification and cleaning, a casting (part or blank) with a predetermined shape, size and performance is obtained.
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Water glass shell has a production history of nearly 50 years in China. After half a century of unremitting efforts of colleagues in the precision casting industry, the application and research of the water glass shell process has reached a very high level.
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Different castings have different casting methods. Sand casting is commonly used, followed by special casting methods, such as: metal casting, investment casting, gypsum casting, etc.
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The investment casting process is to use a fusible material to make a fusible model, apply several layers of special refractory coatings on it, dry and harden to form an integral shell, and then use steam or hot water to melt from the shell.
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Sand casting is a method of obtaining a casting by pouring molten metal into a sand cavity, cooling and solidifying. When the casting is removed from the sand mold, the sand mold is destroyed, so it is also called one-time casting, commonly known as turning sand.
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