Home > categories > Minerals & Metallurgy > Cast & Forged > What's the cause of the choking of the casting?,
Question:

What's the cause of the choking of the casting?,

What's the cause of the choking of the casting?,

Answer:

Causes of choking fire:1., casting material in the pouring of gas;
2. when casting mold exhaust condition is not good, in the casting material use consider whether and hinder its gas permeability; in the process to consider to release more pores, multi venting; core exhaust is particularly important.
3. when casting the environment is humid, sand mold has not removed the moisture, when the casting, the moisture instantaneous transforms into the steam, causes the blowhole

Share to: