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介绍了日本铁道综合技术研究所研究的转向架构架焊缝强度评价的几种新方法。采用该评价法能够对焊缝根部及梁背面的焊缝实施强度评价及寿命评价 ,给出了内燃机车转向架构架侧梁内焊缝的评价实例
This paper introduced several new methods for evaluating the weld seam strength of the bogie frame studied by Japan Railway Comprehensive Technology Institute. The evaluation method can be used to evaluate the strength and lifetime of the weld at the root and the back of the weld, and gives the evaluation example of the weld in the side beam of the bogie frame of a diesel locomotive