The critical value of hotcrack has been obtained according to the experiments on test casting, and it had been used on predicting the hotcrack of bolster and side bearer.
在热裂试验的基础上，得到了铸件热裂纹倾向的临界值，进而实现了摇枕、侧架的热裂纹预测。
2
In the paper, the hotcrack for the forging die made by methods of squeeze casting is analyzed, how to reduce the hotcrack is also given out.
从生产实际出发，分析了锻模液态模锻成形过程中热裂纹形成的主要原因，提出了降低锻模热裂纹的几点措。
3
Influence of Die Casting Process on Hot-crack and its formation mechanism of AM60B alloy are discussed.