The reason of misrun and cold - lap formation in thin - walled aluminum casting is analyzed . increasing gas exhaust capacity in mould and filling velocity and controlling melt temperature are favorable methods for better effect 对薄壁铸铝件浇不足及冷隔的形成原因进行了分析,提出了增大铸型排气性、提高充型速度、控制出炉温度的解决措施,效果良好。
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Abstract : using furan sand to produce heavy diesel engine block and crankshaft eliminated defects of castings including “ penetration / burn - in ” , “ shrinkage porosity ” , “ big dimension deviation ” of cylinder block , “ penetration / bum - in ” , “ misrun ” and “ run - out ” of crankshaft , and so on 文摘:树脂砂铸造工艺应用于大型球墨铸铁件整体铸造柴油机缸体、曲轴生产上消除整铸缸体“粘砂” 、 “缩松” 、 “尺寸偏差大”及曲轴“粘砂” 、 “浇不足” 、 “漏铁液”等铸造缺陷,具有明显的效果。