在呋喃树脂砂型条件下，针对不同模数、不同冒口颈尺寸的圆柱试样进行了模拟计算和浇注试验。

Several cylindrical castings with different modulus and size of riser necks cast in furan bonded silicon sand molds are examined and analyzed numerically.

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同时为了满足工艺设计的要求，对铸件本身和浇注系统、冒口的质量进行了精确统计。

At the same time, the weight of castings, riser and gating system is calculated accurately to meet the demand of the process design.

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在UG造型软件基础上开发了铸造工艺CAD系统，包括工艺参数设计、冒口设计和浇注系统设计等模块。

The CAD system of casting process, including processing parameters, riser and gating system design modules, has been developed based on UG molding software.

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