介绍了防止熔模铸件变形的几种措施。
Some countermeasures of preventing the deformation of castings in investment casting were expounded.
对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。
Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted.
根据熔模铸件表面麻点内夹杂物的成分组成，对其来源进行了分析，并提出了相应的解决措施。
The origin of inclusions in rough sport disfigurement on the surface of investment castings was analyzed and the corresponding solutions were given according to the composition of inclusions.
通过开设适当的出芯工艺孔，利用组合型芯，成功地设计出了大型、复杂、不规则熔模铸件模具。
The large, complex and irregular investment casting mold was successfully designed by property arrange technology hole for core cleaning and use combinative core.
详细分析了不锈钢熔模铸件夹砂（起皮）产生的原因，并提出了防止不锈钢铸件夹砂（起皮）的一系列措施。
The text detaily analyzes the cause of scab of stainless steel steel melt wax casting and proposes some measures to avoid it.
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。
Calculation method of cost and price of investment castings was given based on analysis of sol silicate mold shell investment casting process.
结果表明型壳的质量和强度得到了提高，成功的生产出了大壳体熔模精密铸件。
The result shows the qualities and strength of the shell are improved, and big-shell investment casting is produced successfully in investment casting.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
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