We can also adopt sand shell moulding or metal mold casting as for allotype castings.
对异形铸件，还可用砂型铸造或金属型铸造。
2
Calculation method of cost and price of investment castings was given based on analysis of sol silicate moldshell investment casting process.
以硅溶胶型壳熔模精密铸造的工艺过程分析为基础，提出了铸件成本和价格的计算方法。
3
The sedan camshafts re-melting and chilling process and production technique of shellmold camshaft castings to be re-melted and chilled were introduced.