Results 11 to 20 of about 12,361 (269)

Extraction and Assessment of Features Using Shannon Entropy and Rényi Entropy for Chatter Detection in Micro Milling [PDF]

open access: yesMicromachines
Chatter is a common phenomenon in micromachining processes that adversely affects machining quality, reduces tool life, and generates excessive noise that contributes to environmental pollution.
Zehui Zheng   +5 more
doaj   +3 more sources

MODELLING AND ANALYSIS OF CHATTER MITIGATION STRATEGIES IN MILLING [PDF]

open access: yes, 2013
Machining stability plays a major role in improving machine tool performance and product quality. Uncontrolled chatter phenomenon causes too many defects and problems in manufacturing industry such as increased surface roughness, tool wear and even ...
Saleh, Khaled
core   +6 more sources

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

open access: yesScientific 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   +9 more
doaj   +2 more sources

Some aspects about milling : expert system for cutting parameters selection and control designs [PDF]

open access: yes, 2006
Milling is a mechanical process which consist of the relative movement between feeding the work-piece and rotating the multitooth cutter, to remove material from the work-piece.
De la Sen, Manuel   +2 more
core   +8 more sources

Optimisation of variable helix end milling tools [PDF]

open access: yes, 2010
High productivity, low cost and high profits are important issues in aerospace, automotive and tool/die metal manufacturing industries. Machining processes are widely used in manufacturing operations for metal manufacturing rather than casting and ...
Yusoff, Ahmad
core   +7 more sources

Milling chatter recognition based on dynamic and wavelet packet decomposition [PDF]

open access: yesMechanical Sciences, 2022
In metal milling, especially in the machining of low-stiffness workpieces, chatter is a key factor affecting many aspects such as surface quality, machining efficiency, and tool life.
M. Xie, X. Yu, X. Yu, Z. Ren, Y. Li
doaj   +1 more source

Prediction, detection, and suppression of regenerative chatter in milling

open access: yesAdvances in Mechanical Engineering, 2022
In metal cutting processing, especially in the processing of low-rigidity workpieces, chatter is a key factor affecting many aspects such as surface quality, processing efficiency and tool life.
Bo Liu   +4 more
doaj   +1 more source

GA-PE-VMD and MSE Methods for Milling Chatter Feature Extraction of Thin-walled Parts

open access: yesJournal of Harbin University of Science and Technology, 2023
In the high-speed milling of aviation parts, due to the low stiffness of thin-walled structure, it is easy to produce chatter. Chatter leads to poor surface quality, dimensional error and reducing the service life of tools and machines.Therefore, a ...
WANG Hanbin   +4 more
doaj   +1 more source

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

open access: yesNihon 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   +4 more
doaj   +1 more source

Finite Element Analysis and Experimental Investigation of Tool Chatter in Ultra-Precision Diamond Micro-Milling Process

open access: yesApplied Sciences, 2022
Ultra-precision milling with an aerostatic high-speed spindle and a single-crystal diamond micro-tool is promising for the fabrication of miniaturized complex parts.
Haijun Zhang   +6 more
doaj   +1 more source

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