Abstract Load inertia ratio is an important parameter in machine tool design. Under high speed and high acceleration, the coupling relationship between feed system subsystems will be more complicated, whether the inertia ratio range traditionally determined by experience can still exert the best performance of the machine tool is worth studying. This paper proposes a new method to study the design law of inertia ratio, by eliminating the influence of servo control, to study the matching characteristics between motion process and inertia ratio. The results show that when the speed and acceleration of the feed system are low, the inertia ratio has little effect on the system performance; under high speed and high acceleration, the dynamic characteristics will be more complicated, the inertia ratio must be strictly limited within a certain range to effectively improve system performance. This study provides theoretical support for the design of high-speed machine tools.

中文翻译：

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机床在高速高加速度过程中的负载惯量比研究

摘要 负载惯量比是机床设计中的一个重要参数。在高速、高加速度下，进给系统子系统之间的耦合关系会更加复杂，传统上由经验决定的惯量比范围是否仍能发挥机床的最佳性能值得研究。本文提出了一种研究惯量比设计规律的新方法，通过消除伺服控制的影响，研究运动过程与惯量比的匹配特性。结果表明，当进给系统的速度和加速度较低时，惯量比对系统性能影响不大；在高速和高加速度下，动态特性会更加复杂，惯量比必须严格限制在一定范围内，才能有效提高系统性能。该研究为高速机床的设计提供了理论支持。