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铝青铜(QA110-4-4)圆轴类件拔长时端面和棒坯表面产生较大裂纹,并向内部扩展。为减小裂纹大小,降低裂口向内延伸长度,对锻造中出现的裂纹进行了分析,提出了防止缺陷出现的主要措施。
Aluminum bronze (QA110-4-4) round shaft parts elongated face and the surface of the billet crack, and to the internal expansion. In order to reduce the size of cracks and reduce the inward extension length of cracks, the cracks in forging were analyzed and the main measures to prevent the defects were proposed.