Thanks guy, today we have recast the impeller, mold is heated up, the results seems good. Defects on gas porosity reduce almost 99%.
Yes, using greensand mixed with sodium silicate, co2. Did not took any photos of the mold, but attached the sketches. During pouring, towards the...
Hi all, we had try to cast an impeller,attached the results. Can advise the causes and remedies? Material: bronze Thanks David
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