基于interter的颤振抑制动态吸振器的实现

IF 2.4 3区 工程技术 Q3 ENGINEERING, MANUFACTURING Journal of Manufacturing Science and Engineering-transactions of The Asme Pub Date : 2023-03-13 DOI:10.1115/1.4062118
H. Dogan, N. Sims, D. Wagg
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引用次数: 1

摘要

颤振是造成不良影响的主要问题之一,限制了加工生产率。被动控制装置,如调谐质量阻尼器(TMDs),已被广泛用于通过抑制颤振来提高加工稳定性。最近,基于惯性仪的设备已被开发用于各种工程减振应用。然而,还没有进行将惰性物质应用于加工稳定性问题的实验研究。本文首次提出了一种基于惯性的动态减振器(IDVA)来解决颤振稳定性问题。为此,它采用了IDVA和[1]中开发的枢轴杆惯性仪,以减轻铣削中切削力作用下的颤振效应。由于加工稳定性的性质,IDVA的最佳设计参数是通过考虑频率响应函数(FRF)的实部来数值获得的,该实部能够使铣削操作的单自由度(SDOF)中的绝对稳定性极限最大化。通过使用原型IDVA和柔性工件的铣削试验,对颤振性能进行了实验验证。实验结果表明,与经典TMD相比,IDVA在绝对稳定性极限上提高了15%以上。
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Implementation of inerter-based dynamic vibration absorber for chatter suppression
Chatter is one of the major issues that cause undesirable effects limiting machining productivity. Passive control devices, such as tuned mass dampers (TMDs), have been widely employed to increase machining stability by suppressing chatter. More recently, inerter-based devices have been developed for a wide variety of engineering vibration mitigation applications. However, no experimental study for the application of inerters to the machining stability problem has yet been conducted. This paper presents an implementation of an inerter-based dynamic vibration absorber (IDVA) to the problem of chatter stability, for the first time. For this, it employs the IDVA with a pivoted-bar inerter developed in [1] to mitigate the chatter effect under cutting forces in milling. Due to the nature of machining stability, the optimal design parameters for the IDVA are numerically obtained by considering the real part of the frequency response function (FRF) which enables the absolute stability limit in a single degree-of-freedom (SDOF) to be maximised for a milling operation. Chatter performance is experimentally validated through milling trials using the prototype IDVA and a flexible workpiece. The experimental results show that the IDVA provides more than 15% improvement in the absolute stability limit compared to a classical TMD.
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来源期刊
CiteScore
6.80
自引率
20.00%
发文量
126
审稿时长
12 months
期刊介绍: Areas of interest including, but not limited to: Additive manufacturing; Advanced materials and processing; Assembly; Biomedical manufacturing; Bulk deformation processes (e.g., extrusion, forging, wire drawing, etc.); CAD/CAM/CAE; Computer-integrated manufacturing; Control and automation; Cyber-physical systems in manufacturing; Data science-enhanced manufacturing; Design for manufacturing; Electrical and electrochemical machining; Grinding and abrasive processes; Injection molding and other polymer fabrication processes; Inspection and quality control; Laser processes; Machine tool dynamics; Machining processes; Materials handling; Metrology; Micro- and nano-machining and processing; Modeling and simulation; Nontraditional manufacturing processes; Plant engineering and maintenance; Powder processing; Precision and ultra-precision machining; Process engineering; Process planning; Production systems optimization; Rapid prototyping and solid freeform fabrication; Robotics and flexible tooling; Sensing, monitoring, and diagnostics; Sheet and tube metal forming; Sustainable manufacturing; Tribology in manufacturing; Welding and joining
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