| 精密铸造有什么概念简介？ |
| 添加时间：2019/8/23 15:35:46 浏览次数： |
| 精密铸造基本概念：它包括：熔模铸造、陶瓷型铸造、金属型铸造、压力铸造、消失模铸造。其中较为常用的是熔模铸造：选用适宜的熔模材料制造珩齿机熔模； The basic concepts of precision casting include investment casting, ceramic casting, metal casting, pressure casting and lost foam casting. Among them, investment casting is more commonly used: selecting suitable investment material to make honing machine investment mould; 在熔模上重复沾涂料与撒砂工序，硬化型壳及干燥；再将内部的熔模溶化掉，获得型腔；焙烧型壳以获得足够的强度，烧掉残余的熔模材料，浇注所需要的金属材料，脱壳后清砂，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。 Repeated coating and sand spraying process, hardening shell and drying on the melting die; then melting the internal melting die to obtain the cavity; calcining the shell to obtain sufficient strength, burning the residual melting material, pouring the required metal materials, removing the sand after shelling, so as to obtain high-precision products. According to product requirements or heat treatment and cold processing. |
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