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齿轮类铸钢件的传统铸造工艺是,在轮缘上设置补缩冒口,其有效补缩范围为热节圆直径的4倍左右,延续度为40~50%,铸件工艺
The traditional cast steel gear casting process is set on the rim of the feeder riser, the effective range of shrinkage is about 4 times the diameter of the hot pitch circle, the degree of continuity of 40 to 50%, the casting process