运用大孔出流理论设计了顶注压边浇冒口系统。
Based on the large orifice discharge theory, the kiss gating system of the casting was designed.
对驱动轮轮毂原铸造工艺进行凝固模拟，找出缺陷的成因，并对原工艺进行了改进，采用顶置随形压边浇冒口。
The solidification process of a driving wheel hub cast with former foundry method was simulated to find out the reason causing shrinkage defects.
阐述了轮类铸铁件采用新颖的压边浇（冒）口铸造工艺的优化设计指导理论和技术要点，简评了压边浇（冒）口铸造工艺在轮类铸铁件上应用所获得的良好技术经济效果。
The basic theory and technical points of a new kind of lap gate(riser)adopted to produce iron castings of wheels are discussed and good economic results of this technology in production are also…
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