What Affect Precision Steel Casting Accuracy?

Precision Steel Casting accuracy is affected by casting layout, material quality, mold making, shell making, roasting, pouring and so on.

1.Casting layout: the tension is the wall thickness and shrinkage rate of the casting, which are direct proportional to the relationship. That is, if the precision casting wall thickness is large, then the rate of tightening will also be large.

2.Material: stress refers to the carbon content, generally speaking, the higher the carbon content, the small the tight line.

3.In mold making, we should know that the impact of wax temperate for free contraction is greater than that of hindered contraction rate. 

4.The material used in the shell making is tense, such as zircon sand, zircon powder, shop sand, but because of its small expansion coefficient, this aspect can be careless.

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