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采用45钢制造套筒,在后续热处理完成后发现裂纹,为此进行一系列分析,并通过调整热处理工艺有效地防止了裂纹的产生。
45 sleeve made of steel, cracks found after the completion of the subsequent heat treatment, for a series of analysis, and by adjusting the heat treatment process effectively prevent the crack.