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首页> 外文期刊>International journal of quality, statistics, & reliability >Development of New Measurement System of Errors in the Multiaxial Machine Tool for an Active Compensation
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Development of New Measurement System of Errors in the Multiaxial Machine Tool for an Active Compensation

机译：用于主动补偿的新型多轴机床误差测量系统的开发

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摘要

Error compensation techniques have been widely applied to improve multiaxis machine accuracy. However, due to the lack of reliable instrumentation for direct and overall measurements, all the compensation methods are based on offline measurements of each error component separately. The results of these measurements are static in nature and can only reflect the conditions at the moment of measurement. These results are not representative under real working conditions because of disturbances from load deformations, thermal distortions, and dynamic perturbations. This present approach involves the development of a new measurement system capable of dynamically evaluating the errors according to the six degrees of freedom. The developed system allows the generation of useful data that cover all machine states regardless of the operating conditions. The obtained measurements can be used to evaluate the performance of the machine, calibration, and real time compensation of errors. This system is able to perform dynamic measurements reflecting the global accuracy of the machine tool without a long and expensive analysis of various error sources contribution. Finally, the system exhibits compatible metrological characteristics with high precision applications.
机译：误差补偿技术已广泛应用于提高多轴机床的精度。但是，由于缺乏用于直接和整体测量的可靠仪器，所有补偿方法都分别基于每个误差分量的离线测量。这些测量结果本质上是静态的，只能反映测量时的状况。由于负载变形，热变形和动态扰动的干扰，这些结果在实际工作条件下不具代表性。本方法涉及开发新的测量系统，该系统能够根据六个自由度动态评估误差。开发的系统允许生成有用数据，涵盖所有机器状态，而不管操作条件如何。所获得的测量值可用于评估机器的性能，校准和实时误差补偿。该系统能够执行动态测量，以反映机床的整体精度，而无需对各种误差源做出长时间而昂贵的分析。最后，该系统具有兼容的计量特性和高精度应用。

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