The changes of place and size of casting hot spot with the time are based on structure of casting, material of mould and the position of gate and riser.
热节的位置、大小受铸件结构、铸型材质和浇冒口系统的开设位置所影响。
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…
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 product...
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 product...
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。
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