Low pressure casting manufacturers believe that the technology of gravity casting dies is reliable, the quality is stable, the die life after molding is long, the maintenance is easy, and the site area is small. The yield of aluminum cylinder heads and intake manifolds produced using the gravity casting technique is clearly superior to other casting techniques. The die cost is low and the set casting system is flexible.

Gravity casting is a product for effectively injecting molten metal into a hollow mold made of a material capable of withstanding high temperatures, and condensing and obtaining a desired shape, called casting, and a product obtained is cast. Casting can be divided into black metal castings and non-ferrous metal castings depending on the material.

Low pressure casting makers believe that gravity casting can be divided into gravity casting and pressure casting by the casting process of metallic liquid. Gravity casting refers to the process of flowing molten metal into the mold by gravity of the earth. Gravity casting in the broad sense includes sand mold casting, metal mold casting, mold casting, lost casting and clay casting.

Low pressure casting manufacturers believe that gravity casting in narrow sense refers to metal casting. Die casting refers to the process of injecting molten metal into the mold by other external forces (without gravity). Pressure casting in wide sense includes pressure casting, vacuum casting, low pressure casting and centrifugal casting. A narrow die casting refers to a metal die casting of a die casting machine.

Low pressure casting manufacturers believe that casting technology has developed toward the direction of large, high quality, automation and cleanliness by improving the quality, accuracy, cost and automation of casting. For example, in recent years, Japan is rapidly developing in terms of casting technology, continuous casting technology, special casting technology, casting automation and casting simulation technology. The main casting techniques include metal melting, die manufacturing, casting solidification and mold cleaning. The gravity caster plays an important role in the whole casting process.

The low pressure casting machine considers the gravity casting machine to refer to the machine which realizes mold opening, mold clamping, and parts removal of metal gravity casting. The metal gravity casting machine can be divided into an inclined gravity casting machine and a fixed gravity casting machine. The inclined gravity casting machine can realize the casting of the die, effectively enhancing the quality inside the cast, and is suitable for gravity casting of complicated castings such as intake manifold.