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。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell 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。
The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to be re-melted and chilled were introduced.
介绍重熔淬火硬化处理凸轮轴工艺，以及供重熔淬火用的壳型凸轮轴的生产工艺。
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