In this paper, a great deal of tests on the technological parameters in thin wall EPS pattern moulding have been carried out. Results showed that moulding technology and pattern density interacted.
针对大型薄壁件消失模铸造的特点，对消失模的成型工艺进行了大量试验，结果表明成型工艺与模样密度相互制约，预发泡工艺可影响模样的密度，一定的模样密度又制约了其成型发泡工艺。
参考来源 - 薄壁泡沫塑料模成型工艺与密度控制·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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.
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