砂胎
shā tāi
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砂胎
砂胎[shā tāi]
-
气冲造型法用于顶面宽大且深凹比较大或带有较大砂胎的复杂模样造型时，会在深凹区入口处产生漏斗堵塞现象，此外紧实度很低。
Applying the air impact molding to the molding using complicated pattern with wider top surface , deep concave and bigger cod , there always exists a funnel blockade phenomenon and a lower sand mold compactibility at the entrance to the concave area .