Introduction to die casting

what is casting

Casting is the process of melting metal into a liquid that meets certain requirements and pouring it into the casting mold, and after cooling and solidification, cleaning treatment to get a casting with predetermined shape, size and performance. Casting is one of the basic processes of modern machinery manufacturing industry.

Casting is a relatively early human mastery of a metal heat processing process, has a history of about 6000 years. China about 1700 BC ~ 1000 BC has entered the heyday of bronze castings, the process has reached a fairly high level. China's Shang dynasty, weighing 875 kg Simuwu tripod, the Warring States period, Zeng Hou B zun plate, the Western Han Dynasty, the translucent mirror, are representative of ancient casting products

Most of the early castings were tools or utensils for agricultural production, religion, life, etc., with strong artistic colors. At that time, the casting process was developed in parallel with the pottery process, and was greatly influenced by the pottery.

China in 513 B.C., cast the world's first written cast iron pieces - Jin casting type tripod, weighing about 270 kg. Europe also began to produce cast iron pieces around the eighth century AD. The emergence of cast iron parts, expanding the scope of application of castings. For example, in the 15th to 17th century, Germany, France and other countries have laid a number of residents for drinking water cast iron pipes. 18th century after the Industrial Revolution, steam engines, textile machines and railroads and other industries, castings into a new period of service for large industries, casting technology began to have a big development.