By adopting appropriate foundry techniques, the accuracy of dimension and shape were ensured. The surface quality and internal density of runner meet the requirements of design.
通过采用合理的铸造工艺，确保了其叶片型线尺寸精度、转轮表面质量及铸件内部的致密度满足了设计要求。
In this paper, the finite element method is used for the calculation of S1 streamline surface of Francis turbine runner with half vanes.
本文采用有限元法对带半叶片的混流式转轮的S1流面进行了流场计算。
The surface quality and molding efficiency of plastic parts are improved by hot-runner system and gas-assistance injection molding.
采用热流道系统、气辅注射成型提高了塑料件的表面质量和成型效率。
With this system, the runner gate system design, mold cooling analysis, surface modeling, and automatic drawing could all be well carried out on microcomputer.
此系统主要解决了四个难点：浇注系统设计、冷却系统分析、型腔、型芯的曲面造型设计、装配图和零件工作图的设计绘制。
With this system, the runner gate system design, mold cooling analysis, surface modeling, and automatic drawing could all be well carried out on microcomputer.
此系统主要解决了四个难点：浇注系统设计、冷却系统分析、型腔、型芯的曲面造型设计、装配图和零件工作图的设计绘制。
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