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航空发动机叶片焊接机床刚柔耦合建模研究
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    摘要:

    利用有限元分析软件ANSYS Workbench对机床进行了静力学分析,初步了解了机床的变形情况。根据变形情况,利用动力学分析软件ADAMS对易变形及振动构件柔性化建立了刚柔耦合虚拟样机。在虚拟样机中对焊枪的平动、加减速、高速运动等不同的运动形式进行了仿真,研究分析了滑枕和丝杠的变形和振动情况,对刚性模型和刚柔耦合模型圆弧轨迹进行了对比。结果表明,刚柔耦合虚拟样机能够更真实精确地进行运动学、动力学分析,对机床的设计、改进和误差补偿有重要意义。

    Abstract:

    The static analysis of machine tool was conducted in finite element analysis (FEA)software ANSYS Workbench, and a preliminary understanding of deformation of machine was obtained. According the deformation, a flexible-rigid coupling virtual prototype was established in dynamics analysis software ADAMS by making deformable and vibration-prone components flexible. Torch's movement in different forms such as translational, acceleration and deceleration and high-speed movement were simulated in the virtual prototype, the condition of slider and screw's deformation and vibration was studied with analysis, and the circular path's difference between the rigid model and rigid-flexible coupling model was compared. The results show that the rigid-flexible coupling virtual prototype can be more realistic precise in kinematics and dynamics analysis, which has important significance for machine design, improvement and error compensation.

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邢志伟,李奔.航空发动机叶片焊接机床刚柔耦合建模研究[J].机床与液压,2015,43(5):130-133.
.[J]. Machine Tool & Hydraulics,2015,43(5):130-133

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  • 在线发布日期: 2015-06-17
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