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文章用动力学模型导出了工字形截面成形时判断是否会产生回流折迭的半定量判据.通过塑性泥模拟试验表明,理论与实验值吻合很好.并比较理论值与航空锻件标准中所推荐的一组经验数据,证明两者有很好的一致性.
In this paper, the kinetic model is used to derive the semi-quantitative criterion for judging whether the backfold will be generated during the forming of the I-shaped cross-section.The plastic clay simulation test shows that the theoretical and experimental values are in good agreement with each other, The recommended set of empirical data proves good consistency between the two.