为了补偿坐标测量机 (CMM) 的伺服控制缺陷
Jean-François Manlay1,2, Abdérafi Charki2, Anthony Delamarre2
1CEA/DAM/Gramat, Route de Reilhac, 46500 Gramat, France.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
坐标测量机 (CMM) 提供精度,但与特定几何形状作斗争. 本研究引入了新的CMM方法,通过计算伺服控制故障来提高准确性,特别是在复杂的表面上.
科学领域:
- 计量学和测量科学 计量学和测量科学
- 机械工程 机械工程
- 制造业 制造技术 制造技术
背景情况:
- 坐标测量机 (CMM) 对于汽车,航空航天和军事行业的高精度测量至关重要.
- 在某些特定任务中,CMM的准确性受到限制,例如在曲表面上测量圆度或轮.
- 在CMM中伺服环不准确导致理论坐标与实际坐标之间的偏差,导致特征尺寸的错误.
研究的目的:
- 提出创新方法,以提高CMM在特定测量任务中的性能.
- 解决和补偿由CMM伺服控制不准确引起的错误.
- 提高使用CMM在标准和斜面上的测量准确度.
主要方法:
- 开发用于CMM数据采集和处理的新算法.
- 实施特征构造技术,以克服直接测量的限制.
- 将伺服控制错误补偿集成到测量程序中.
主要成果:
- 在标准几何部件的测量准确度方面取得了显著的改进.
- 在曲和形表面测量特征时,实现了更高的精度.
- 验证了在减轻伺服循环诱导错误方面提出的方法的有效性.
结论:
- 开发的方法为在具有挑战性的测量场景中提高CMM精度提供了可行的解决方案.
- 对伺服控制故障的核算对于复杂几何形状的精确维度分析至关重要.
- 这些发现有助于提高精密制造中的计量学能力.
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