Results 21 to 30 of about 9,300 (230)

Experimental validation for chatter stability prediction [PDF]

open access: yes, 2012
This research focused on the experimental validation for chatter stability prediction. An optimum machining was aimed to maximize the material removal rate, whilst maintaining a sufficient stability margin to assure the surface quality.
Alonso-Rasgado, Maria T   +4 more
core   +1 more source

Chatter Control by Spindle Speed Variation in High-Speed Milling [PDF]

open access: yes, 2009
High-speed milling operations are often limited by regenerative vibrations. The aim of this paper is to analyze the effect of spindle speed variation on machine tool chatter in high-speed milling. The stability analysis of triangular and sinusoidal shape
Arnaud, Lionel   +3 more
core   +2 more sources

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

Influence of Chatter of VMC Arising During End Milling Operation and Cutting Conditions on Quality of Machined Surface

open access: yesInternational Islamic University Malaysia Engineering Journal, 2012
Machine tool chatter is a dynamic instability of the cutting process. Chatter results in poor part surface finish, damaged cutting tool, and an irritating and unacceptable noise.
A.K.M.N. Amin, M.A. Rizal, and M. Razman
doaj   +1 more source

A simulated investigation on the machining instability and dynamic surface generation [PDF]

open access: yes, 2005
In this paper, the authors propose the generic concept of machining instability based on the analysis of all kinds of machining instable behaviors and their features.
Altintas   +13 more
core   +1 more source

Chatter Identification of Face Milling Operation via Time-Frequency and Fourier Analysis

open access: yesInternational Journal of Automation and Smart Technology, 2016
Chatter is generally defined as self-generated vibrations from the interaction between tool and workpiece.  It is the most critical vibration in machining operations and can decrease the surface quality and cause the premature tool wear.
Ching-Chih Wei   +2 more
doaj   +1 more source

The self-excitation damping ratio: A chatter criterion for time-domain milling simulations [PDF]

open access: yes, 2004
Regenerative chatter is known to be a key factor that limits the productivity of high speed machining. Consequently, a great deal of research has focused on developing predictive models of milling dynamics, to aid engineers involved in both research and ...
Altintas   +15 more
core   +1 more source

Surface roughness variation of thin wall milling, related to modal interactions [PDF]

open access: yes, 2008
High-speed milling operations of thin walls are often limited by the so-called regenerative effect that causes poor surface finish. The aim of this paper is to examine the link between chatter instability and surface roughness evolution for thin wall ...
Assouline   +21 more
core   +4 more sources

The Bivariate Empirical Mode Decomposition and Its Contribution to Grinding Chatter Detection

open access: yesApplied Sciences, 2017
Grinding chatter reduces the long-term reliability of grinding machines. Detecting the negative effects of chatter requires improved chatter detection techniques.
Huanguo Chen   +6 more
doaj   +1 more source

Integration of dynamic behaviour variations in the stability lobes method: 3D lobes construction and application to thin-walled structure milling [PDF]

open access: yes, 2006
Vibratory problems occurring during peripheral milling of thin-walled structures affect the quality of the fin- ished part and, to a lesser extent, the tool life and the spindle life.
Arnaud, Lionel   +3 more
core   +3 more sources

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