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Applied Sciences
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Vibration Control for Machining Vibration
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Vibration Control for Machining Vibration

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Acoustics and Vibrations".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 4986

Special Issue Editor

Dr. Yutaka Nakano

E-Mail Website
Guest Editor
School of Engineering, Tokyo Institute of Technology, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8552, Japan
Interests: self-excited vibration; friction vibration; chatter vibration; brake squeal; dynamic absorber
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

High-efficiency machining and high-precision machining are the most important technologies in the process of creating products. However, the increase of efficiency and accuracy of machining are factors that increase the occurrence of chatter vibration. Chatter vibration, which is often a problem at production sites, reduces machining quality and significantly restricts productivity. Therefore, the industry continues to seek suppression and avoidance technology of the vibration. In past decades, there have been many advances regarding the avoidance and control method of chatter vibration. This Special Issue of Applied Sciences, "Vibration Control for Machining Vibration", will provide the recent achievements in the vibration control techniques of chatter vibration in the machining process. Your contribution is welcomed and much appreciated as an author or a reviewer.

Dr. Yutaka Nakano
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • chatter vibration
  • damping devices
  • vibration control
  • semiactive control
  • passive control
  • active control
  • adaptive control
  • structural modification

Published Papers (2 papers)

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Research

18 pages, 3594 KiB  
Article
An Updated Method for Stability Analysis of Milling Process with Multiple and Distributed Time Delays and Its Application
by Gang Jin, Wenshuo Li, Jianxin Han, Zhanjie Li, Gaofeng Hu and Guangxing Sun
Appl. Sci. 2021, 11(9), 4203; https://doi.org/10.3390/app11094203 - 5 May 2021
Cited by 2 | Viewed by 1454
Abstract
Predicting and avoiding the onset of milling chatter are desirable to reduce its harm to machine tools, workpieces, and cutters. This paper presents an updated method to complete the stability prediction for the milling process with multiple and distributed time delays. After the [...] Read more.
Predicting and avoiding the onset of milling chatter are desirable to reduce its harm to machine tools, workpieces, and cutters. This paper presents an updated method to complete the stability prediction for the milling process with multiple and distributed time delays. After the dynamic of the combination milling process with variable helix cutter (VHC) and variable spindle speed (VSS) is modeled as linear delay differential equations with multiple and distributed time delays, the presented method is applied to carrying out its stability prediction for the first time. By comparing with the existing researches and time-domain simulations, the effectiveness of the presented method has been validated. The influence and feasibility of the combination process on chatter suppression are explored and investigated for the associated one- and two-degree-of-freedom systems. Results show that the application of the combination process can realize a further suppression of milling chatter in practice. It can result in nearly 2-fold as high as the minimum depth of cut for the traditional milling or VSS milling and about 1.3-fold for VHC milling for some special domain, and can respectively lead to the average increase of stable area by 30.4%, 23.5%, and 1.5% for the adopted simulations. However, consider the contribution, the combination process is actually one process in which VHC plays an absolutely leading role but VSS plays an auxiliary role, in terms of milling stability. Full article
(This article belongs to the Special Issue Vibration Control for Machining Vibration)
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17 pages, 3843 KiB  
Article
Analysis of the Composite Boring Bar Dynamic Characteristics Considering Shear Deformation and Rotational Inertia
by Chunjin Zhang, Yongsheng Ren, Shujuan Ji and Jinfeng Zhang
Appl. Sci. 2020, 10(4), 1533; https://doi.org/10.3390/app10041533 - 24 Feb 2020
Cited by 6 | Viewed by 2900
Abstract
A boring bar is a tool used to install cutters and transfer power during boring. Because the boring bar in a narrow workspace is usually slender, chatter often occurs in the boring process. To improve the chatter stability of the boring bar, researchers [...] Read more.
A boring bar is a tool used to install cutters and transfer power during boring. Because the boring bar in a narrow workspace is usually slender, chatter often occurs in the boring process. To improve the chatter stability of the boring bar, researchers have designed composite material boring bars with high dynamic stiffness to meet the requirements of high-speed boring. However, the effect of the shear deformation and rotational inertia were ignored. In this paper, a model of a composite boring bar considering shear deformation and rotational inertia is established based on the Adomian Modified Decomposition Method (AMDM). The dynamic characteristics, such as the vibration mode shapes, natural frequency, and chatter stability of the composite boring bar considering the shear deformation and rotational inertia, are analyzed comprehensively. The analysis results show that, when the shear deformation and rotational inertia are considered, the composite boring bar can exhibit different vibration mode shapes. Moreover, the natural frequencies and the cutting depth will be reduced. The results are helpful to improve the understanding about dynamic characteristics of the composite boring bar, and to provide guidance for designing of boring bars. Moreover, accurate adjustment of the cutting speed and depth in CNC boring can be based on the analysis results. Full article
(This article belongs to the Special Issue Vibration Control for Machining Vibration)
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