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连续和同步校准过程的卵度和直度的纵向浸泡弧管与三个滚筒
Xueying Huang1,2, Yubin Zhang2
1Tianjin University, Ministry Education, Key Lab Mech Theory & Equipment Design, Tianjin, People's Republic of China.
PloS one
|August 6, 2024
概括
对于纵向浸泡弧接 (LSAW) 管道而言,一种新的三校准工艺提高了直度,减少了度. 这种方法通过模拟和实验验证,实现了高精度管道校准.
科学领域:
- 材料科学与工程 材料科学与工程
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 确保尺寸精度 (圆和直度) 对纵向浸泡弧 (LSAW) 管道至关重要.
- 现有的校准方法可能缺乏复杂的变形要求的效率或精度.
- 连续和同步校准为改善LSAW管道质量提供了潜力.
研究的目的:
- 建议并验证使用三系统对LSAW管道的度和直度进行新的连续和同步校准过程.
- 为了研究滚筒形状,负载参数和变形路径对校准结果的影响.
- 分析应力-应变行为,并建立过程参数和剩余维度错误之间的关系.
主要方法:
- 开发一种新的三校准工艺,重点关注滚子几何,载荷参数和变形路径.
- 通过全面的数值模拟和物理实验进行验证.
- 在关键管道段 (第II和第IV节) 中应力-延展分布的分析和用于校准方案开发的控制变量方法的应用.
主要成果:
- 在第II和第IV节中,切割应力被确定为主要应力方向.
- 其余的卵度和直度随着辐射减小和反复曲周期的增加而显著下降.
- 反复曲有效地使初始曲率均化,从而导致均的截面曲率.
结论:
- 拟议的三校准过程对于改善LSAW管道的直度和度是非常可行的.
- 达到0.2%以下的剩余直度和1%以下的剩余卵度证明了该过程的有效性.
- 该研究为LSAW管道提供了经过验证的校准方案,提高了制造质量.
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