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基于机器视觉的Z-Increments在线监管系统用于激光固体成型.

Junhua Wang1,2,3, Junfei Xu1, Yan Lu4

  • 1School of Mechanical and Electrical Engineering, Henan University of Science and Technology, Luoyang 471003, China.

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概括

一个新的机器视觉系统精确地监测激光固体成型中的外高度. 这种闭环控制系统实时调整Z增量,提高了部件精度和制造稳定性.

关键词:
这是一个Z-增量.闭环控制系统的闭环控制系统机器视觉 机器视觉 机器视觉失焦的数量失焦的数量

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科学领域:

  • 增材制造 增材制造 增材制造
  • 材料科学 材料科学 材料科学
  • 光学工程是指光学工程.

背景情况:

  • 激光固体成型中不适当的Z增量会导致失焦变化,损害零件的精度和质量.
  • 失焦量波动对整体制造过程稳定性和材料利用率产生负面影响.

研究的目的:

  • 提出一种闭环控制系统,用于在激光固体成型中使用机器视觉进行Z增量调节.
  • 通过保持恒定的失焦量来提高制造组件的精度和质量.
  • 为了提高制造过程的稳定性和粉末材料的利用率.

主要方法:

  • 开发一个对轴监控系统,用于实时评估层高度.
  • 实施边缘检测技术和逆视角转换,用于精确的高度测量.
  • 集成一个闭环控制系统来调整基于实时覆盖高度反的Z增量.

主要成果:

  • 拟议的系统在确定覆盖层高度时达到1.664%的最大相对误差.
  • 实时调整Z增量导致单个覆盖层高度的标准偏差减少.
  • 在制造过程中观察到更高的稳定性和更好的粉末材料利用率.

结论:

  • 基于机器视觉的闭环控制系统有效调节激光固体成型中的Z增量.
  • 精确的实时监控外高度大大提高了部件的精度和制造的一致性.
  • 这种方法为增材制造中的工艺优化和质量提升提供了有价值的指导.