Use of spatially distributed damper systems in a machine tool
在机床中使用空间分布式阻尼系统
基本信息
- 批准号:390684552
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants (Transfer Project)
- 财政年份:2018
- 资助国家:德国
- 起止时间:2017-12-31 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The dynamic behavior is a deciding factor in modern high-performance machine tools. Mainly for existing machines, passive dynamic auxiliary systems like tuned mass dampers can be used to improve the dynamic compliance by damping specific vibration modes. The advantage of passive systems over active ones is the possibility of a low-cost retrofit due to simple designs and low subsequent costs. Disadvantages include the substantial local mounting space requirements, the iterative and time-consuming commissioning and the vulnerability towards changes in the structural dynamics of the base system.During the first funding period of the preceding research project "Optimal positioning and tuning of multi-mass dampers within a combined topology optimization method", which generated the foundation for this knowledge transfer project, an automated optimal positioning and new analytic tuning method for multi-mass dampers was developed and experimentally verified. By dividing the auxiliary mass over many individually and mutually tuned masses and by spatially distributing them over the structure, the above-mentioned drawbacks of tuned mass dampers shall be alleviated. The effectivity and benefits of multi-mass dampers were successfully verified in a laboratory environment.The goal of this transfer project is to synthesize the gained insights and concepts that were created under academic testing conditions into a product that is suitable for industrial use and which can be tested under operating conditions. Thus, valuable knowledge and insights for further development of the optimal tuning and positioning, especially regarding the process stability, can be fed back into future research.
动态特性是现代高性能机床的决定性因素。主要对于现有的机器,被动动态辅助系统,如调谐质量阻尼器,可用于通过阻尼特定的振动模式来提高动态柔度。无源系统相对于有源系统的优点是,由于设计简单和后续成本低,因此可以进行低成本改造。缺点包括大量的局部安装空间需求,反复和耗时的调试以及对基础系统结构动力学变化的脆弱性。在前面的研究项目“组合拓扑优化方法中多质量阻尼器的最佳定位和调谐”的第一个资助期内,为这个知识转移项目奠定了基础,提出了一种多质量阻尼器的自动优化定位和新的解析调谐方法,并进行了实验验证。通过将辅助质量划分为许多单独和相互调谐的质量,并通过将它们空间分布在结构上,调谐质量阻尼器的上述缺点将得到缓解。多质量阻尼器的有效性和优点已在实验室环境中得到成功验证。该转移项目的目标是将在学术测试条件下获得的见解和概念综合成适合工业使用并可在操作条件下进行测试的产品。因此,有价值的知识和见解,进一步发展的最佳调整和定位,特别是关于过程的稳定性,可以反馈到未来的研究。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Design of a tuned mass disc damper with variable natural frequency for chatter suppression
用于抑制颤振的可变固有频率调谐质量盘阻尼器的设计
- DOI:10.21595/vp.2020.21755
- 发表时间:2020
- 期刊:
- 影响因子:0
- 作者:Brecher;C.Zhao
- 通讯作者:C.Zhao
ON THE SIMULATION OF THE FIRST NATURAL FREQUENCY OF A TUNED MASS DISC DAMPER
调谐质量盘阻尼器第一固有频率的仿真
- DOI:10.17973/mmsj.2021_10_2021091
- 发表时间:2021
- 期刊:
- 影响因子:0.7
- 作者:Brecher;C.Zhao
- 通讯作者:C.Zhao
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Professor Dr.-Ing. Christian Brecher其他文献
Professor Dr.-Ing. Christian Brecher的其他文献
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{{ truncateString('Professor Dr.-Ing. Christian Brecher', 18)}}的其他基金
Investigation of synchronous reluctance motors for feed drives in machine tools
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394205384 - 财政年份:2017
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384949278 - 财政年份:2017
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Development of an empirical model of the spindle bearing damping in consideration of the assembly and operating condition for an application-oriented simulation of the dynamic behavior of main spindles
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- 批准号:
386986567 - 财政年份:2017
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Efficient Identification of stability lobe diagrams
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- 批准号:
312052494 - 财政年份:2016
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Research Grants
Effects of machine component damping on dynamic behaviour and process stability of machine tools
机器部件阻尼对机床动态行为和过程稳定性的影响
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288097798 - 财政年份:2016
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Development of a General Function Oriented Method to Design Flank Modifications of Beveloids under Consideration of Producibility
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