理化检验-物理分册2026，Vol.62Issue(5)：50-55,6.DOI:10.11973/lhjy-wl250037
行星齿轮锻件缺陷产生原因
Causes of defects in planetary gear forgings
骆伟 1赵龙 1季廷忠 1孙春桃 1姚博汶 1陈胜钱1
作者信息
- 1. 重庆齿轮箱有限责任公司,重庆 402260
- 折叠
摘要
Abstract
Defects occurred in a planetary gear forging.The causes of defects were analyzed by means of ultrasonic testing,scanning electron microscopy and energy dispersive spectroscopy,and inclusion source analysis.The results show that the unacceptable defects were mainly composed of microcracks and exogenous non-metallic inclusions.The exogenous non-metallic inclusions originated from the corrosion and spalling of the sliding gate during pouring.These inclusions failed to float up completely and aggregated into macro-inclusions during the solidification of molten steel.Optimizing the molten steel refining process,improving the cleanliness of molten steel,and enhancing the quality and stability of refractory materials were the key technical measures to reduce the ultrasonic testing rejection rate and improve the internal quality of steel.关键词
锻件/缺陷/超声检测/夹杂物/行星齿轮Key words
forging/defect/ultrasonic testing/inclusion/planetary gear分类
通用工业技术引用本文复制引用
骆伟,赵龙,季廷忠,孙春桃,姚博汶,陈胜钱..行星齿轮锻件缺陷产生原因[J].理化检验-物理分册,2026,62(5):50-55,6.
