The steel dies with high dimensional accuracy, low surface roughness and long service life have been quickly produced by using prototyping resin molds as patterns of ceramic investment casting.

直接利用激光快速成型的原型树脂模，结合陶瓷型精密铸造技术，制得了高精度、低表面粗糙度、高使用寿命的钢模具。

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Numerous types of ingot molds used for casting metal strips, in particular steel, are known in the state of the art.

现有技术中已知的有用于铸造金属条特别是钢条的多种锭模。

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