4. Casting can be divided into sand casting and metal casting according to the material of the mold. The precision casting factory is handy with both casting processes, and designs and manufactures these two types of casting molds by themselves.

5. Casting can also be divided into gravity casting and pressure casting according to the pouring process of molten metal. Gravity casting refers to a process in which molten metal is injected into a mold under the action of the earth's gravity, also known as casting. Gravity casting in a broad sense includes sand casting, metal casting, investment casting, lost foam casting, mud casting, etc.; gravity casting in a narrow sense refers to metal casting. Die casting refers to a process in which molten metal is injected into a mold under the action of other external forces (excluding gravity). Die casting in a broad sense includes pressure casting and vacuum casting of die casting machines, low pressure casting, centrifugal casting, etc.; pressure casting in a narrow sense refers to metal die casting of die casting machines, referred to as die casting. The precision casting factory has long been engaged in the gravity casting of sand and metal molds. These casting processes are currently the most commonly used in non-ferrous metal casting and are also the cheapest in relative price.

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