Low pressure casting is widely used in metal processing technology and plays a huge role in China's modern industry. With the wide application of low pressure casting in China, its disadvantages are also exposed.

One, oxidation slag inclusion

The reason for the occurrence of oxidation slag inclusion is generally because of the uncleanliness of the charge, or the excessive use of the charge in the process of use. Another reason can also lead to the oxidation slag inclusion in the low-pressure casting process, that is, the poor design of the casting system and the improper setting when filling.

Two, porosity, shrinkage

The porosity problem is the most common in the process of low-pressure casting. It is generally caused by the poor exhaust of the casting tool, the poor spraying of the mold coating system, and the improper setting of the cooling ring, which can also lead to the generation of porosity and shrinkage.

Three, crack

Crack of low pressure casting process, it is very common, the mould design is unreasonable, sharp corners, differences in the wall to its thickness and the crack phenomenon of metropolitan result from, want to eradicate the crack phenomenon, improve the mold structure design is the inevitable choice, only the mould design is reasonable, for the solution of the problem to help.

Low pressure casting technology is widely used in the processing technology of our country. With the development of technology, its disadvantages are increasingly emerging. Only by analyzing the root of the problem, can we better solve the problem.