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我厂为济钢第三炼钢厂制造的 42CrMo大型铸钢齿轮是承受重载荷低速传动的冶金备件 ,该齿轮直径 3 2 70mm ,高 885mm ,三辐板结构 ,铸件重 1 8t(见图 1 )。图 1 零件简图1 铸造工艺性分析( 1 )铸钢 42CrMo齿轮在铸造生产过程中存在着多种导致裂纹的因素 ,防止裂纹是至关重要的
The 42CrMo large cast steel gear made by our company is the third largest steel mill in Jinan Iron and Steel Co., Ltd. It is a metallurgical spare part with low load and heavy load. The gear is 3270mm in diameter and 885mm in height. ). Figure 1 parts diagram 1 casting process analysis (1) 42CrMo steel castings in the casting process there are many factors that lead to cracks, to prevent cracks is crucial