薄壳灰铸铁件冷隔、裂纹的特性及生产对策

On the Characteristics & Technological Measures of Cold Shuts and Cracks in Shaping Thin-Shell Grey-Iron Castings

冷隔、裂纹是薄壳灰铸铁件常见缺陷。以解决缝纫机车壳铸件的冷隔、裂纹缺陷的工作体会为例，较为详细地阐述其缺陷的特性及生产对策。并由此引伸对克服薄壳灰铸铁件冷隔、裂纹缺陷的讨论。

Cold shuts and Cracks are the common defects found in thin-shell grey-iron castings. The authors detail the characteristics and technological measures of these defects, by discussing their successful solution to these problems appeared in the housing casting of the sewing machines. Furthermore, they deal with the methods to eliminate such defects as Cold Shuts and Cracks in thin-shell grey-iron castings.