Common problems during low pressure casting

Author: SAIVS Date Published: May 16,2023

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

I. Oxidation Clamp

Oxygen slag inclusion is usually due to unclean furnace charge or the excessive use of furnace charge in the process of use. Another reason can also lead to oxidation slag inclusion in low-pressure casting process, which is the poor design of casting system and improper setting during filling.

II. Pore and Shrink

Porosity is the most common problem in low-pressure casting. Poor exhaust of casting tools, poor spraying of die coating system and improper setting of cooling rings can also cause pore and shrinkage.

III. Cracks

Cracks are very common in the low pressure casting process. Unreasonable Mold design, sharp corners and differences in wall thickness will mostly lead to cracks. In order to eliminate cracks, it is necessary to improve the structure design of the mold. Only reasonable mold design can help solve the problem.

Low-pressure Casting Technology is widely used in our country's processing technology. With the development of technology, its disadvantages become more and more obvious. We can solve the problem better only by analyzing the source of the problem.

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