What is the material of ancient molds for casting iron

Ancient cast iron mold material common mud, iron and wax.

Ancient working people through generations of long-term production practice, created with our national characteristics of the traditional casting process, China's metal casting forgings production, a long history, brilliant achievements, of which the mud model, iron model and fusion mold casting is the most important, known as the ancient three major casting technology.

One, mud casting, casting objects with mud model, is China's ancient most important, the most common casting method. Such as the Cangzhou iron lion of the Five Dynasties, the Northern Song Dynasty iron tower in Dangyang, Beijing Dazhong Temple of the Ming Dynasty bell and so on.

Two, iron model casting, the Warring States period, China has been cast with iron model. In 1953, Hebei Xinglong unearthed iron model, including hoe, sickle, axe, chisel, car tools and other categories **** 87 pieces, most of the complete package, you can see that the structure of the Fan is very compact, the shape and the casting match, the Fan wall is thinner (about 5 millimeters), and the wall thickness is uniform, the Fan wall are cast with handles in order to hold.

Three, mold casting, in ancient times, also known as lost wax method or dial wax method. It is the first to adjust the good oil wax mold, and then outside the mud on the modeling, after drying heat to the wax mold, into the kiln firing, firing can be poured while hot. As early as before the Warring States, our country appeared melting casting plant mold casting technology.