FOR 1087: Damping Effects in Machine Tools

FOR 1087：机床中的阻尼效应

• 批准号: 67192760
• 金额: --
• 依托单位: Forschungsbereich Werkzeugmaschinen
• 依托单位国家: 德国
• 项目类别: Research Units
• 财政年份: 2009
• 资助国家: 德国
• 起止时间: 2008-12-31 至 2018-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/67192760?language=en
• 关键词: 1087; Damping; Effects; Machine; Tools

Todays dynamic demand on machine tools is increasing arithmetically with new highly dynamic and flexible machining tasks. The performance of machine tools is often diminished by vibration phenomena which are caused by adverse dynamic machine behaviour. Currently the reliable determination of the dynamic behaviour of machine tools can only be performed on real prototypes with the help of metrological investigations. Subsequent measures to improve the dynamic behaviour represent a serious time and expense involved in the development of machine tools. For this reason, the determination of the dynamic behaviour of exciting tools with the help of virtual prototypes in recent times is increasingly becoming the focus of manufacturers. By the use of highly developed software solutions and high performance processors the dynamic behaviour of the machine tools structure can be calculated properly. Nevertheless most calculated results are defective. The reason can be find in the fact, that there is no knowledge about the damping behaviour of the machines components and the lack of capable models and parameters. The Research Units target is to analyse the most important machine-components according to their damping behaviour. Based on extensive measurements and suitable models to describe damping in the simulation the project will establish a basis to improve the forecast of the dynamical behaviour of machine tools.

当今对机床的动态需求随着新的高度动态和灵活的加工任务而呈指数级增长。机床的性能常常会因不利的动态机器行为引起的振动现象而降低。目前，机床动态行为的可靠确定只能在计量研究的帮助下在真实原型上进行。改进动态行为的后续措施代表了机床开发中涉及的大量时间和费用。因此，近年来借助虚拟原型确定令人兴奋的工具的动态行为日益成为制造商的关注焦点。通过使用高度开发的软件解决方案和高性能处理器，可以正确计算机床结构的动态行为。然而，大多数计算结果都是有缺陷的。原因在于，对机器部件的阻尼行为不了解，并且缺乏有效的模型和参数。研究单位的目标是根据最重要的机器部件的阻尼行为对其进行分析。基于广泛的测量和描述模拟中阻尼的合适模型，该项目将为改进机床动态行为的预测奠定基础。