Different site microstructure and mechanical properties of aluminum-silicon alloy in differential pressure casting process were investigated. The gate system was adopted vertical slitting gate system.

采用差压铸造工艺，研究垂直缝隙式浇注系统浇注的铝合金硅铸件不同位置的组织和力学性能变化。

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The article introduces the mechanical structure of triple gate system of vertical mill, as well as its hydraulic system and electric control system.

主要介绍了立磨三道锁风阀机械结构及其液压系统、电控系统的设计原理。

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