采用金属型立式浇铸，严格控制铸造工艺参数(模具温度、浇注温度、浇注速度)，以避免气孔、缩松、冷隔等缺陷的产生。
By using metal mold casting, we can control mold temperature, infusing temperature, infusing speed to avoid defects of pore, cold partition, shrink and loose.
通过多元线性回归建立了充型速度随真空度、模样密度、浇注温度、金属静压头变化的经验计算公式，并研究了该公式在充型过程数值模拟中的应用。
An empiric calculated formula of mold filling as a function of vacuum rate, pattern density, pouring temperature and metal static head was established through multiple regression.
提高金属液浇注温度及改良涂料，选用低密度泡沫塑料作模样材料对避免产生分层缺陷有帮助。
To avoid forming layer defect, rising pouring temperature are using improved coating and selecting low density styrofoam pattern are a great help.
试验结果表明，在考虑的工艺因素中，对充型速度的影响由大到小依次为：模样材料、金属静压头、 涂料透气性和浇注温度。
The results show the relative importance of factors, from most significant to least significant: foam material, metallostatic head, the permeability of the coating, pouring temperature.
研究了负压度、模样密度、浇注温度、金属静压头等工艺因素对消失模铸铁件充型速度的影响规律。
The filling speed of lost foam cast iron casting was measured by use of an integrated set of experimental equipment and a specially designed computer acquisition system.
研究了有色金属压铸成型工艺模糊智能化设计中浇注温度和出模斜度的问题。
As applications, two examples, which concern pouring temperature of nonferrous alloys and minimum ejecting angle recommended for die cavity, were given. The results showed that …
研究了有色金属压铸成型工艺模糊智能化设计中浇注温度和出模斜度的问题。
As applications, two examples, which concern pouring temperature of nonferrous alloys and minimum ejecting angle recommended for die cavity, were given. The results showed that …
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