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Introduction history of investment casting
Dec 05, 2018

Investment casting is also called lost wax casting, including waxing, waxing, grouping, dipping, melting wax, casting molten metal and post-treatment. Lost wax casting is a wax mold in which a part is to be cast with wax, and then the wax mold is coated with mud, which is a mud mold. After the mud mold is dried, the internal wax mold is melted by placing it in hot water. The mud mold from which the wax mold has been melted is taken out and baked into a ceramic mold. Once roasted. In the general clay mold, the pouring port is left, and the molten metal is poured from the pouring port. After cooling, the required parts are prepared.

China's lost wax method originated in the Spring and Autumn Period. The copper ban in the Spring and Autumn Period unearthed from the Chu Tomb of No. 2 Xichuan Temple in Henan Province is the earliest lost wax casting. This copper is adorned with four sides and sides with carved veil, surrounded by twelve standing vultures, and there are ten animal-shaped feet under the body. The translucent ornamentation is complex and varied, and the shape is gorgeous and solemn, reflecting that the lost wax method in China has matured in the middle of the Spring and Autumn Period. After the Warring States Period and the Qin and Han Dynasties, the lost wax method was more popular, especially during the Sui and Tang Dynasties to the Ming and Qing Dynasties.

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