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What should be noticed when pouring the iron castings?

【Summary】When it comes to the pouring of iron castings, the operation process of injecting the metal liquid from the casting ladle into casting mould is called pouring. Improper pouring operation will cause casting defects such as short run,cold shut, air hole,contraction cavities and cinder inclusion or personal injury.


In order to ensure the quality of iron castings and improve the productivity and safe production, in the pouring, for the inoculant and nodulizer used in the casting ladle, pouring tools and stokehold treatment, they must be fully dry before using.


For the personnel of pouring iron castings, they must wear work clothes and protective glasses well according to the requirements,. The work site should be kept unobstructed. The metal liquid in the casting ladle is not suitable to fill, to avoid overflowing which may  injure the personnel during delivery and pouring.

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In order to correctly select the pouring speed of iron casting, it should be slow to start at the beginning. it will be easier to align with the sprue, reduce the impact of molten metal to sand mould and more conducive to the discharge of gas. Subsequently, the cold separation should be prevented by pouring quickly. A little while before gating with run-off, be slow to pour, following the principles of slow, fast, and slow.


In order to correctly select the pouring speed of iron casting, it should be slow to start at the beginning. it will be easier to align with the sprue, reduce the impact of molten metal to sand mould and more conducive to the discharge of gas. Subsequently, the cold separation should be prevented by pouring quickly. A little while before gating with run-off, be slow to pour, following the principles of slow, fast, and slow.


Wuxi Lingtong Casting Co.,Ltd.

Attn: Ms. Vivian Wang

Email: vivian@ltzz.com

Tel: +86 510 85990876  

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