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Prediction of the dynamic behaviour of machine tools during the design process using mechatronic simulation models based on finite element analysis

机译：基于有限元分析的机电仿真模型预测机床在设计过程中的动态行为

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摘要

Increased productivity, higher velocities and acceleration for feed and cutting motions are requirements for innovative machine tools. At the same time the production process must achieve reduced form and position deviations of the work-piece. Therefore knowledge of the dynamic behaviour of machine tools during the design process is essential to develop high-performance machines. Using finite element analysis and mechatronic simulation, taking the mechanical, electrical and control systems into account, is the first step for optimisation. Developing the control parameters using these simulation techniques is one of the major steps in detecting the mechatronic characteristics. This paper presents a method for developing the control parameters concerning tool to work-piece deviations of mechatronic simulation models including disturbance variables. As an example a 2-axis CNC test stand for feed drive axes will be visualised with its simulation and measurement results in the time and the frequency domain.
机译：创新的机床要求提高生产率，更高的速度以及进给和切削运动的加速度。同时，生产过程必须减少工件的形状和位置偏差。因此，在设计过程中了解机床的动态行为对于开发高性能机床至关重要。优化的第一步是使用有限元分析和机电模拟，同时考虑机械，电气和控制系统。使用这些仿真技术开发控制参数是检测机电特性的主要步骤之一。本文提出了一种开发方法的控制参数，该参数涉及工具对机电仿真模型（包括干扰变量）的工件偏差。例如，用于进给驱动轴的2轴CNC测试台将在时域和频域中以其仿真和测量结果可视化。

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