Some countermeasures of preventing the deformation of castings in investment casting were expounded.
介绍了防止熔模铸件变形的几种措施。
参考来源 - 防止精密铸造蜡模变形的几种措施Finally, the silicate as outer mold is“sacrificed”by hydrofluoric acid. The polymeric micro-castings are obtained after centrifugal classification.
最后,用氢氟酸“牺牲”掉分子筛,通过离心沉降得到聚合物微铸件。
参考来源 - 以细菌印迹介孔硅分子筛铸造聚合物微米材料·2,447,543篇论文数据，部分数据来源于NoteExpress
The results of the research show that Re-Al alloying improves the casting property of H13 steel, eliminates central pipe, refines grains and carbides, reduces the amount of S and P.
经分析表明，稀土铝合金化可以明显改善H13钢顶头的铸造性能，消除了中心缩孔现象，并细化了晶粒和碳化物，降低了S、P含量。
We will create a strong brand –"J. S. Machine" in the casting area with the support and trust from customers around the world.
在铸造领域内，有来自全球客户的支持与信赖，我们将共同缔造一个强大的品牌——“京山轻机”。
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified base iron with proper chemical composition and temperature.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
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