The common defects of the housing casting include cracks, sand drop, slag inclusion, shrinkage porosity and rough grain, etc.
机架的常见缺陷有裂纹、掉砂、夹渣、缩孔缩松和晶粒粗大等。
2
It is liable to produce various casting defects, such as coarse grain, shrinkage cavity, shrinkage porosity, hot tearing, microstructure segregation and solute segregation.