消失模铸造干砂充填紧实过程中，干砂对模型壁的动态压力可间接反映此处干砂的紧实程度。
The dynamic pressure on pattern wall can reflect indirectly the compaction degree of sand during the course of filling and compaction of sand on EPC.
干砂负压消失模铸造技术(简称LFC)中模样是消失模铸造成败的关键，而泡沫珠粒的充填是获得优质泡沫模样的关键工序之一。
In lost foam casting (LFC), the foam pattern is the key qualification, and the filling process is one of the crucial processes to ensure the high quality of the foam pattern.
针对干砂消失模铸造用涂料具有高透气性、高强度的特点，研制了一种涂料透气性、强度专用测量装置。
According to the characteristics, which coatings used in EPC are of high permeability and strength, a special device used to measure the strength and permeability is worked out.
采用高速摄影法和电极触点法，对干砂消失模铸造金属液的充填形态进行了初步研究。
The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method.
消失模铸造工艺影响干砂紧实的主要因素是振动加速度和负压度。
The main factors influencing sand compaction on EPC are vibration acceleration and negative pressure.
消失模铸造工艺影响干砂紧实的主要因素是振动加速度和负压度。
The main factors influencing sand compaction on EPC are vibration acceleration and negative pressure.
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