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Nobutoshi Ozaki
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Proceedings Papers

Estimation of Chatter Vibration Under End-Milling Process With a Wavelet Transform

Haruki Minetaka, Nobutoshi Ozaki, Toshiki Hirogaki, Eiichi Aoyama
Proc. ASME. IDETC-CIE2021, Volume 5: 26th Design for Manufacturing and the Life Cycle Conference (DFMLC), V005T05A010, August 17–19, 2021
Paper No: DETC2021-68193
DOI: https://doi.org/10.1115/DETC2021-68193
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Topics: Chatter, Cutting, Fourier transforms, Milling, Vibration, Wavelet transforms
Proceedings Papers

Cutting State Estimation via Chatter Mark on End Milled Surface and Analysis of Its Formation Mechanism Using Voxel Model Simulation

Nobutoshi Ozaki, Shota Matsui, Toshiki Hirogaki, Eiichi Aoyama
Proc. ASME. MSEC2021, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T05A015, June 21–25, 2021
Paper No: MSEC2021-63809
DOI: https://doi.org/10.1115/MSEC2021-63809
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Topics: Chatter, Cutting, Fourier transforms, Simulation, State estimation, Vibration
Proceedings Papers

Investigation of Cutting Force in Screw Cutting by Three Axis Controlling Helical Interpolate With a Wireless Communication Tool Holder System

Shota Matsui, Nobutoshi Ozaki, Toshiki Hirogaki, Eiichi Aoyama, Ryo Matsuda
Proc. ASME. LEMP2020, JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, V001T02A008, September 3, 2020
Paper No: LEMP2020-8540
DOI: https://doi.org/10.1115/LEMP2020-8540
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Topics: Cutting, Screws, Machining, Interpolation, Thread, Machine tools, Computer numerical control machine tools, Control systems, Dynamometers, Machining centers
Proceedings Papers

Novel State Estimation Method of Surface Chatter Pattern via Image Processing After End Milling

Nobutoshi Ozaki, Shota Matsui, Toshiki Hirogaki, Eiichi Aoyama
Proc. ASME. IDETC-CIE2019, Volume 4: 24th Design for Manufacturing and the Life Cycle Conference; 13th International Conference on Micro- and Nanosystems, V004T05A019, August 18–21, 2019
Paper No: DETC2019-97805
DOI: https://doi.org/10.1115/DETC2019-97805
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Topics: Chatter, Image processing, Milling, State estimation, Vibration, Cutting, Surface roughness, Displacement, Sensors, Microphones