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精密铸钢件铸造时炉火如何控制

2019-09-07 14:35:51

精密铸钢黄大仙玄机资料独家件的铸造是相对于传统的铸造工艺而言的一种铸造方法。它能获得相对准确地形状和较高的铸造精度。较普遍的做法是:首先根据产品要求设计制作(可留余量非常小或者不留余量)的模具,用浇铸的方法铸蜡,获得原始的蜡模;在蜡模上重复涂料与撒砂工序,硬化型壳及干燥;再将内部的蜡模溶化掉,是为脱蜡,获得型腔;焙烧型壳以获得足够的强度;浇铸所需要的金属材料;脱壳后清沙,从而获得高精度的成品。根据产品需要或进行热处理与冷加工。下面讲解精密铸钢件铸造时炉火如何控制。

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