高强度薄壁灰铸铁缸体铸件尺寸精度研究

Study on Dimensional Accuracy of High Strength Gray Iron Cylinder Block Castings with Thin Section Thickness

以发动机缸体、缸盖为研究对象，对外模、芯盒、型芯、铸型及铸件的主要尺寸参数进行测量，分析了影响铸件尺寸精度的主要因素，并提出了提高铸件尺寸精度的措施．

The cylinder block and cylinder head being taken as the object of the study,the main dtriensional parameters of the patterns,core boxes,cores,moulds and castings were measured,the main factors influencing the dimensional accuracy of castings were analyzed and the measures to improve the dimensional accuracy were suggested