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根据机车口字形焊接构架疲劳强度试验、无损检查及１６Ｍｎ和１４ＭｎＮｂ钢机械性能和强度试验，对用１６Ｍｎ钢制造的轻型焊接构架的疲劳强度和结构设计的合理性进行了分析，并提出了提高焊接构架疲劳强度的措施和改进建议。
According to fatigue strength test, non-destructive inspection and mechanical tests of 16Mn and 14MnNb steel, the fatigue strength and structural design of light welded frame made of 16Mn steel were analyzed. Measures to Improve the Fatigue Strength of Frames and Suggestions for Improvement.