概括
这项研究引入了一种新的方法,用于使用圆形格子测量旋转轴的几何误差. 它可以在没有伺服器支持的情况下进行精确,同时和连续的全周期测量,从而提高高端设备的准确性.
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
- 精密工程 精密工程是指精密的工程.
背景情况:
- 旋转轴是CNC工具等高端机械的关键部件.
- 旋转轴中的几何错误显著影响加工,测量和控制的准确性.
- 现有的多度自由度 (DOF) 误差测量方法在脱,伺服器支持和连续全循环测量方面面临挑战.
研究的目的:
- 提出一种新的,具有成本效益的方法,用于同时测量旋转轴的四个DOF几何误差.
- 克服当前方法的局限性,实现高精度的同时,连续,全周期测量.
- 开发一种适用于嵌入式,快速和高效的应用程序的测量方法,由于其紧的错误敏感单元.
主要方法:
- 开发一种使用定制圆形格子的新型测量方法.
- 基于拟议的方法实现一个测量装置.
- 实验验证方法的性能和准确性.
主要成果:
- 在四个DOF中实现了±2.42μm,2.47μm,±0.18弧秒和±0.12弧秒的重复性值.
- 证明了1小时的稳定性,标准偏差为0.35微米,0.22微米,0.22弧秒和0.16弧秒.
- 该方法不需要伺服旋转支持,并允许同时和连续的全循环测量.
结论:
- 拟议的基于圆形格子的方法对旋转轴的多DOF几何误差的同时和连续全周期测量是有效的.
- 该方法在成本效益,简单性 (不需要伺服器支持) 和嵌入式应用的潜力方面具有优势.
- 实验结果验证了开发的测量方法的高精度和稳定性.
相关概念视频
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