Results 31 to 40 of about 80,977 (277)

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

open access: yesMaterials 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   +1 more
doaj   +1 more source

Selection of design and operational parameters in spindle-holder-tool assemblies for maximum chatter stability by using a new analytical model [PDF]

open access: yes, 2007
In this paper, using the analytical model developed by the authors, the effects of certain system design and operational parameters on the tool point FRF, thus on the chatter stability are studied.
Budak, Erhan   +4 more
core   +1 more source

A Novel Unsupervised Machine Learning-Based Method for Chatter Detection in the Milling of Thin-Walled Parts

open access: yesSensors, 2021
Data-driven chatter detection techniques avoid complex physical modeling and provide the basis for industrial applications of cutting process monitoring.
Runqiong Wang   +5 more
doaj   +1 more source

In-Process Chatter Detection in Surface Grinding

open access: yesMATEC Web of Conferences, 2015
The chatter causes the poor surface finish during the surface grinding. It is therefore necessary to monitor the chatter during the process. Hence, this research has proposed the in-process chatter detection in the surface grinding process by utilizing ...
Tangjitsitcharoen Somkiat   +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

open access: yesRekayasa 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   +3 more
doaj   +1 more source

The role of tool geometry in process damped milling [PDF]

open access: yes, 2010
The complex interaction between machining structural systems and the cutting process results in machining instability, so called chatter. In some milling scenarios, process damping is a useful phenomenon that can be exploited to mitigate chatter and ...
A Ganguli   +23 more
core   +1 more source

A Hybrid Chatter Detection Method Based on WPD, SSA, and SVM-PSO

open access: yesShock and Vibration, 2020
As a kind of self-excited vibrations, chatter vibration is extremely common in end milling, especially in high-speed cutting processes. It affects the machining accuracy of products and decreases the processing efficiency of machine tools.
Erhua Wang, Peng Yan, Jie Liu
doaj   +1 more source

Fuzzy stability analysis of regenerative chatter in milling [PDF]

open access: yes, 2010
During machining, unstable self-excited vibrations known as regenerative chatter can occur, causing excessive tool wear or failure, and a poor surface finish on the machined workpiece. Consequently it is desirable to predict, and hence avoid the onset of
Mann, B.P., Manson, G., Sims, N.D.
core   +1 more source

Online Analysis of Nonlinear Vibration Characteristics of Milling Chatter

open access: yesJournal of Harbin University of Science and Technology, 2018
In order to analyze the nonlinear dynamic behavior of the milling chatter,firstly to analyze the varying depths of cut during milling stationary vibration signal the vibration signal and bred flutter vibration signal nonlinear characteristics based on ...
WU Shi   +4 more
doaj   +1 more source

Chatter identification in turning process based on vibration analysis using Hilbert-Huang transform

open access: yesJournal of Mechanical Engineering and Sciences, 2020
In machining process, the increasing cutting depth is aimed to accelerate machining operations in a short time. However, the increasing cutting depth can cause chatter vibration at any time.
Agus Susanto   +4 more
doaj   +1 more source

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