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.
取消冷冒口后，缩孔、缩松问题成功地得到解决。
After canceling the cold riser the shrinkage problem was successfully solved.
对引起缩松的原因进行了分析，并采取了相应的工艺措施，上下底面同时加冷铁，消除了缩松缺陷。
The reason causing shrinkage defect was analyzed, and the following measure was adopted: setting chills on both the top and bottom surfaces of the casting.
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