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首页> 外文期刊>Journal of Manufacturing Processes >Design and Analysis of a Built-in Yaw Measurement System Using Dual Linear Scales for Automatic Machine Tool Error Compensation
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Design and Analysis of a Built-in Yaw Measurement System Using Dual Linear Scales for Automatic Machine Tool Error Compensation

机译：自动机床误差补偿双线性尺度的内置偏航测量系统的设计与分析

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摘要

In order to achieve high accuracy of computer numerical controlled (CNC) machine tools, various error compensations functions are implemented in the CNC control system. However, these error compensations are not designed to track the dynamic change in accuracies, such as thermal distortion or aging deterioration, during a machining process. To compensate for the dynamic change in accuracy, a built-in automatic measurement and compensation system based on dual linear scales was proposed, and its performance requirement was analyzed. Based on the analysis, a physical prototype was developed, and its feasibility was investigated by a series of experiments. The results showed that the measurement with the linear scale system agreed with a conventional measurement method within the uncertainty estimated at the design stage. In a subsequent experiment, the accuracy compensation was performed based on the measurement value. With compensation, the maximum accuracy deterioration was successfully suppressed from 22 to 3 mu m.
机译：为了实现计算机数控（CNC）机床的高精度，在CNC控制系统中实现了各种误差补偿功能。然而，这些误差补偿不设计用于跟踪加工过程中的准确性的动态变化，例如热失真或老化劣化。为了补偿准确性的动态变化，提出了一种基于双线性尺度的内置自动测量和补偿系统，分析了其性能要求。基于分析，开发了物理原型，并通过一系列实验研究了其可行性。结果表明，在设计阶段估计的不确定性内商定了线性刻度系统的测量。在随后的实验中，基于测量值进行精度补偿。通过补偿，最大精度劣化从22到3亩成功抑制。

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