概括
这项研究引入了一种新的绿色激光扫描方法,用于精确测量大型热件的尺寸. 该技术通过纠正温度引起的光学误差,准确地测量造尺寸,符合工业质量标准.
科学领域:
- 制造业 工程 制造工程
- 光学计量学 在光学计量学
- 材料科学 材料科学 材料科学
背景情况:
- 准确的尺寸测量对于确保大型造产品的质量至关重要.
- 由于热效应,高温造工艺对传统的测量技术提出了独特的挑战.
研究的目的:
- 提出和验证一种绿色激光扫描测量方法,用于对大型件进行准确的高温维度评估.
- 为了解决造过程中遇到的高温造成的测量错误.
主要方法:
- 开发了一个使用绿色激光深度信息和造尺寸的几何测量模型.
- 研究热传递理论,分析热件周围的温度场.
- 采用射线跟踪算法来建立一个误差函数,以计算由于温度梯度导致的光折射.
- 使用错误函数修改了测量模型,以实现准确的距离和维度测量.
主要成果:
- 提出的绿色激光扫描方法成功地建立了深度信息和造尺寸之间的关系.
- 导出了一个错误函数来纠正由高温环境引起的光学扭曲.
- 实验验证表明,测量误差符合大型热件的严格要求.
结论:
- 绿色激光扫描测量方法为大型热件的精确尺寸检查提供了可行的解决方案.
- 深度信息,传热理论和光线追踪的整合有效地减轻了温度诱导的测量误差.
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