铁路客车轴承外圈磁粉检测的非相关磁痕分析及改进措施

详细信息

Analysis and Measures of Noncorrelated Magnetic Trace on Magnetic Particle Testing of Bearing Outer Ring of Railway Passenger Car

1. State Key Laboratory of Aerospace Precision Bearings, Luoyang LYC Bearing Co., Ltd., Luoyang 471003, China;
2. South China Inspection Co., Ltd., Shenzhen 518000, China;
3. Xi'an Railway Locomotive Vehicle Supervision Project Department, Xi'an 710000, China

摘要: 铁路客车轴承外圈制造过程中的磁粉检测时，会产生批量性的非相关磁痕，经过分析得知，这些磁痕是由材料本身的金属组织和带状组织的不均匀引起的，并提出了改进措施，以供同行参考。
- 轴承外圈 /
- 非相关磁痕 /
- 原材料 /
- 锻造
Abstract: Magnetic particle inspection of railway bearing outer ring in the manufacturing process, produces a batch of noncorrelated magnetic trace, the reason is the banded structure and organization nonuniform of the metal itself, and puts forward some improvement measures, for reference.
- Bearing outer ring /
- Noncorrelated magnetic trace /
- Raw material /
- Forging

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