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Dive into the research topics where Tsuyoshi Nakatsuji is active.

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Featured researches published by Tsuyoshi Nakatsuji.


Transactions of the Japan Society of Mechanical Engineers. C | 2006

Effect of Frictional Force Distribution on Exciting Force of Brake Noise for Motorcycle Disk Brake

Tsuyoshi Nakatsuji; Naoto Oda; Kazuya Okubo; Toru Fujii

This paper presents the results of experiment and analysis from view of structural mechanics for brake noise that is serious problem of motorcycle. Some brake bench tests were conducted to some cases of friction force distribution, and it was found that the cause of brake noise was stick-slip effect between brake disk and pads. And it was clarified that the stick-slip could become the exciting force of the disk by the fastening-sliding simulation by FEM. Finally, eliminating method of brake noise was proposed according to experimental and analytical results.


SAE 2002 World Congress & Exhibition | 2002

Study on Crack Initiation at Small Holes of One-piece Brake Discs

Tsuyoshi Nakatsuji; Kazuya Okubo; Toru Fujii; Masahiro Sasada; Yoshihisa Noguchi


Archive | 2008

BRAKE DISC HAVING CORRUGATED OUTER PERIPHERY

Yoshio Hoshi; Tsuyoshi Nakatsuji; Tooru Fujii; Kazuya Ookubo; Kiyotaka Obunai


25th Annual Brake Colloquium | 2007

Effect of Initial Residual Stress on Crack Initiation from Tiny Holes of Brake Discs for Motorcycles

Yoshihiro Koyama; Kazuya Okubo; Toru Fujii; Tsuyoshi Nakatsuji


Small Engine Technology Conference & Exposition | 2006

Study on Low Speed Judder of Wave Type Brake Discs for Motorcycles

Kiyotaka Obunai; Kazuya Okubo; Toru Fujii; Tsuyoshi Nakatsuji


SAE 2009 Brake Colloquium and Exhibition | 2009

Characterization of Brake Torque Variation of Wave Type Brake Disc for Motorcycles

Kiyotaka Obunai; Kazuya Okubo; Toru Fujii; Tsuyoshi Nakatsuji


Archive | 2008

Circumferentially waved brake disk

Yoshio Hoshi; Tsuyoshi Nakatsuji; Tooru Fujii; Kazuya Ookubo; Kiyotaka Obunai


SAE 2010 Annual Brake Colloquium And Engineering Display | 2010

Modification of Strain Distribution on Contact Surface of Shoe to Reduce Low Frequency Squeals for Brake Disc with Small Holes

Kiyotaka Obunai; Sho Hagiwara; Kazuya Okubo; Toru Fujii; Tsuyoshi Nakatsuji


Transactions of the Japan Society of Mechanical Engineers. C | 2007

Study on Crack Initiation from Small Holes Opened in Brake Disc for Motor Cycles

Tsuyoshi Nakatsuji; Hitoshi Yuasa; Kazuya Okubo; Toru Fujii


Archive | 2005

Prediction of Crack Initiation for One-Piece Type Brake Disc for Motorcycles under Overload Condition

Hitoshi Yuasa; Kazuya Okubo; Toru Fujii; Tsuyoshi Nakatsuji

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Kazuya Okubo

National Archives and Records Administration

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Kazuya Okubo

National Archives and Records Administration

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