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熔模(失(?))铸造它具有两个与“众”不同之特点:一为易熔材料作模型,造型后加热熔化制得型腔;另一是铸型表面层利用特殊的高级材料,获得完整的无分型面的外模。所以它可以铸造形状复杂、尺寸精确、表面光洁的种种合金铸件。这是一种优越的铸造方法,现代许多精密尖端产品都需依赖于它。我国古代早就有辉煌成就,我们经过
Casting (lost (?) Casting it has two different from the “public” features: one for the fusible material as a model, the shape after the heating melt cavity; the other is the surface layer of the mold using special advanced materials , Get a complete moldless surface of the outer mold. So it can cast complex shape, size precision, smooth surface of a variety of alloy castings. This is a superior casting method that many modern sophisticated cutting-edge products rely on. There have been brilliant achievements in ancient China, we passed