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Nakano Lab
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A lab that investigates how vibrations occur in machine tools and brakes and works to suppress them.
AboutAbout the lab
Understanding machine vibration and suppressing it
Nakano Lab studies the various vibrations that occur in machines and instruments, including methods to suppress vibration and methods to measure it and put it to use.
It takes up self-excited vibration, chatter vibration, and disc brake squeal, and works on vibration control with dynamic vibration absorbers and on vibration monitoring.
The settings it deals with range widely, from machining with machine tools to automobile brakes and support for oral surgery.
Key terms
- Self-excited vibration
- A phenomenon in which vibration arises from a machine's own motion and grows, even without periodic shaking from outside
- Chatter vibration
- Vibration that occurs between the tool and the material when cutting metal or similar materials
- Dynamic vibration absorber
- A device that attaches a small mass and spring to the main body to absorb and suppress its shaking
NewsLab news
View More ↗ResearchResearch themes
The lab studies self-excited vibration and chatter vibration in machines, brake squeal, and more. It works on suppressing vibration with dynamic vibration absorbers and on supporting surgery through vibration monitoring.
*Illustrative imageSuppressing chatter vibration during machining
The lab is developing a dynamic vibration absorber that suppresses chatter vibration in end milling of molds and parts without reducing machining efficiency, and aims to establish an optimal design method for it.
*Illustrative imageSupporting bone-cutting surgery with vibration
In surgery that cuts the jawbone, doctors judge by the feel of their hands when the cutting moves from a hard layer to a soft layer. The lab aims to develop a method to evaluate that change quantitatively from the vibration of the cutting instrument.
*Illustrative imageSuppressing brake squeal
The mechanism behind the high-pitched noise that occurs when brakes are applied at low speed has not yet been elucidated. The lab is trying a method in which a piezoelectric element placed inside the piston is vibrated at a high frequency to suppress the squeal.
MembersFaculty
The members of Nakano Lab are faculty members and master's and undergraduate students.As of 2026
- Associate ProfessorNakano YutakaPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Chladni plate 10” Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton / CC BY-SA 4.0 (cropped)
- Suppressing chatter vibration during machining: “Milling machine cutter storage from scrap HDPE Cutting boards 07” 1957Man / CC BY-SA 4.0 (cropped)
- Supporting bone-cutting surgery with vibration: “Diamond burs” Albert / CC BY-SA 3.0 (cropped)
- Suppressing brake squeal: “Alarm bells! ( )” Riley from Christchurch, New Zealand / CC BY 2.0 (cropped)
- Related lab (原田・加藤研究室
（リコー次世代デジタルプリンティング技術共同研究講座） ): “Inkjet-printed Neschen Filmoflex PVC Mesh L” Smokeonthewater / CC BY-SA 4.0 (cropped) - Related lab (田中博人研究室): “Hovering Hummingbird ( )” USFWS Mountain-Prairie
（撮影 Bob Brown） / Public domain (cropped) - Related lab (店橋・
志村研究室): “Meker-Fisher burner 001” jasonwoodhead23 / CC BY 2.0 (cropped) - Related lab (金研究室): “Bug 1c” Sandia National Laboratories / Public domain (cropped)
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