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Improvement of Hydrostatic Bearing Workbench Structure Based on the Thermal Deformation

机译：基于热变形的静压轴承工作台结构的改进

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摘要

The deformation of hydrostatic bearing rotary workbench is the direct factor that affects working accuracy. In this paper, taking the hydrostatic bearing rotary workbench as research object, the improvement model of the hydrostatic bearing workbench structure is established. In different speed conditions, thermal deformation calculation for workbench is conducted by using finite element method and fluid solid coupling technique. By comparison of the results of the model before and after the improvement, it is concluded that the thermal deformation of the workbench can be decreased if we add rib plate appropriately. Conclusion can provide guidance for the production of the hydrostatic bearing workbench, and it also has certain scientific significance to improve the accuracy of CNC machine tools.
机译：静水压轴承旋转工作台的变形是影响工作精度的直接因素。本文采用静液压轴承旋转工作台作为研究对象，建立了静压轴承工作台结构的改进模型。在不同的速度条件下，通过使用有限元方法和流体固体耦合技术进行工作台的热变形计算。通过在改进之前和之后的模型的结果比较，结论是，如果我们适当地添加肋骨，可以减少工作台的热变形。结论可以为生产静水压轴承工作台的生产提供指导，并且还具有一定的科学意义，提高了CNC机床的准确性。

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