首页>
外国专利>
Procedure of foundry for the manufacture of parts of thin wall and provised of long holes. (Machine-translation by Google Translate, not legally binding)
Procedure of foundry for the manufacture of parts of thin wall and provised of long holes. (Machine-translation by Google Translate, not legally binding)
展开▼
机译：铸造薄壁零件和长孔零件的铸造程序。 （通过Google翻译进行机器翻译，没有法律约束力）
展开▼
页面导航
摘要
著录项
相似文献
摘要
Casting process for the manufacture of thin-walled pieces and provided with long holes, whose holes are at least almost parallel to this wall, and have a significant length with respect to its diameter, by using a mold and at least a sand core, characterized by the fact of introducing molding sand into a mold that includes removable spikes, corresponding to the holes that are to be obtained in the part that is manufactured and that slide according to its axis, the sand hardens and, after the sand has hardened, the spikes are removed, the hardened mold obtained is removed from the model, some nodes of hardened sand and resin mixture and cylindrical canes are introduced into the holes left by the removal of the spikes. Completely fill those holes and, finally, the liquid metal is cast in this mold. (Machine-translation by Google Translate, not legally binding)
展开▼
