Results 1 to 10 of about 9,211 (143)

Multi-modal denoised data-driven milling chatter detection using an optimized hybrid neural network architecture [PDF]

Scientific Reports
Chatter, a type of self-excited vibration, deteriorates surface quality and reduces tool life and machining efficiency. Chatter detection serves as an effective approach to achieve stable cutting.
Haining Gao, Haoyu Wang, Hongdan Shen, Shule Xing, Yong Yang, Yinlin Wang, Wenfu Liu, Lei Yu, Mazhar Ali, Imran Ali Khan   +9 more
doaj   +2 more sources

Chatter Stability Prediction for Deep-Cavity Turning of a Bent-Blade Cutter [PDF]

Sensors
The bent-blade cutter is widely used in machining typical deep-cavity parts such as turbine discs and disc shafts, but few scholars have studied the dynamics of the turning process.
Xiaojuan Wang, Qinghua Song, Zhanqiang Liu   +2 more
doaj   +2 more sources

Verification of pattern formation mechanism using voxel model and estimation accuracy for inverse analysis of vibration phenomenon using two-dimensional discrete Fourier transform of end mill chatter mark

Nihon Kikai Gakkai ronbunshu, 2021
The vibration generated at the contact point between a tool blade and a machined surface during cutting significantly influences the generation mechanism of regenerated chatter vibration.
Nobutoshi OZAKI, Haruki MINETAKA, Shota MATSUI, Toshiki HIROGAKI, Eiichi AOYAMA   +4 more
doaj   +1 more source

Cutting Chatter in Ultrasonic Elliptical Vibration Cutting and Its Influence on Surface Roughness and Tool Wear

Metals, 2023
Ultrasonic elliptical vibration cutting has a wide range of applications in the field of precision cutting of difficult-to-machine metal materials.
Gan Li, Jinbo Liu, Yanan Pan, Yan Bao, Sen Yin, Zhigang Dong, Renke Kang   +6 more
doaj   +1 more source

A Study on Bistability Analysis and Chatter Suppression for Roll Grinding Process

Journal of Applied Science and Engineering, 2021
As chatter vibration in the roll grinding process is the largest limitation in the surface quality of the machined roll. In this paper, the bistability analysis and chatter suppression are performed for further discussion of patterns of the grinding ...
Duo Yang, Tianding Chen, Chengfei Rao
doaj   +1 more source

Chatter vibration of workpiece deformation type in cutting thin-walled cylindrical workpiece (Generation mechanism of chatter vibration)

Nihon Kikai Gakkai ronbunshu, 2020
In aerial industry, to improve the mileage, workpiece such as jet engine turbine case has been lightened and thinned. However, cutting workpiece with thin-walled structure causes vibration called “chatter vibration of workpiece deformation type”. Chatter
Yutaka KURITA, Yasunori OURA, Takashi TANAKA, Masahiro KAWATA   +3 more
doaj   +1 more source

Experimental Study on Application of Tuned Mass Dampers for Chatter in Turning of a Thin-Walled Cylinder

Applied Sciences, 2021
Chatter is more likely to occur during the turning process of a thin-walled cylindrical workpiece owing to the low rigidity of such workpieces. Chatter causes intensive vibration, deterioration of the surface finish accuracy, tool damage, and tool wear ...
Yutaka Nakano, Tsubasa Kishi, Hiroki Takahara   +2 more
doaj   +1 more source

Vibration Control Using Multilayer Piezoelectric Actuators: Towards Chatter Supression in Turning Operations [PDF]

Materials Research, 2020
Chatter causes poor surface quality and damage to tools in machining. Therefore, strategies for chatter monitoring and reduction are constantly under investigation.
Giuliana Sardi Venter, Maíra Martins da Silva   +1 more
doaj   +1 more source

Chatter Vibration Comparison Between Normal Helix Angle and Variable Helix Angle in End Milling Process Based on Spectrum Analysis

Rekayasa Mesin, 2020
Chatter vibration in machining processes is often found in cutting processes which will decrease the machining efficiency and the surface quality of the products. Chatter is a relative vibration of the cutting tool and workpiece caused by the fluctuation
Achmad As'ad Sonief, Arda Nur Fauzan, Fachry Azlan, Muhammad Aziz Bashori   +3 more
doaj   +1 more source

Chatter Monitoring of Machining Center Using Head Stock Structural Vibration Analyzed with a 1D Convolutional Neural Network

Sensors, 2022
Real-time chatter detection is crucial for the milling process to maintain the workpiece surface quality and minimize the generation of defective parts. In this study, we propose a new methodology based on the measurement of machine head stock structural
Kwanghun Jeong, Yeonuk Seong, Jonghoon Jeon, Seongjun Moon, Junhong Park   +4 more
doaj   +1 more source