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叙述了铁路货车RD2型车轴轴颈卸荷槽裂纹及其危害,对车轴冷切原因进行了分析,介绍了RD2型车轴轴颈卸荷槽形成历史及轴颈根部(卸荷槽)形式,分析了轴颈卸荷槽的主要质量问题,并从改进形式、提高车轴加工质量等7个方面提出了建议。
Describes the crack of RD2 axle journal unloading trough and its damage, analyzes the reason of axle cold cutting, introduces the formation history of RD2 axle journal unloading trough and the form of journal root (unloading trough), analyzes The main quality problems of the unloading trough of the journal, and put forward the suggestion from the aspects of improving the form and improving the quality of the axle processing.