Results 11 to 20 of about 434 (175)

An Updated Method for Stability Analysis of Milling Process with Multiple and Distributed Time Delays and Its Application

Applied Sciences, 2021
Predicting and avoiding the onset of milling chatter are desirable to reduce its harm to machine tools, workpieces, and cutters. This paper presents an updated method to complete the stability prediction for the milling process with multiple and ...
Gang Jin, Wenshuo Li, Jianxin Han, Zhanjie Li, Gaofeng Hu, Guangxing Sun   +5 more
doaj   +1 more source

Passive Chatter Suppression of Thin-Walled Parts by Means of High-Damping Lattice Structures Obtained from Selective Laser Melting

Journal of Manufacturing and Materials Processing, 2020
Chatter vibrations arising during machining operations are detrimental for cutting process performance, since they may cause poor surface quality of the machined part and severe damages to machine tool elements. Passive approaches for chatter suppression
Federico Scalzo, Giovanni Totis, Emanuele Vaglio, Marco Sortino   +3 more
doaj   +1 more source

Self-Tuning Algorithm for Tuneable Clamping Table for Chatter Suppression in Blade Recontouring

Applied Sciences, 2021
The production and repair of blades for aerospace engines and energy turbines is a complex process due their inherently low stiffness and damping properties.
Markel Sanz-Calle, Zoltan Dombovari, Jokin Munoa, Alexander Iglesias, Luis Norberto López de Lacalle   +4 more
doaj   +1 more source

Intelligent integrated monitoring system for lathe equipment

Journal of Low Frequency Noise, Vibration and Active Control, 2021
During the production process of the components of precision machines, a stable quality is the key consideration of the vendors. During the production process of metal parts, a thermal expansion error of the spindle will occur due to long time operations,
Bo-Lin Jian, Chin-Tsung Hsieh, Yu-Syong Guo   +2 more
doaj   +1 more source

A Study on Improving the Machining Performance of Scrolls

Applied Sciences, 2022
To improve machining efficiency and product precision in scroll manufacturing, we studied three adaptive milling processes: adaptive feed rate planning, chatter suppression measures, and optimization of milling parameters during the rough, semi-fine, and
Yi-Tsung Lin, Jia-Lun Jhang, Michael Schabacker, Der-Min Tsay, Guan-Shong Hwang, Bor-Jeng Lin   +5 more
doaj   +1 more source

The countermeasure against forced and regenerative chatter in end milling process with multiple dynamic absorbers

Nihon Kikai Gakkai ronbunshu, 2014
The present study investigates the effect of multiple dynamic absorbers on both forced chatter and regenerative chatter. The stability lobe of regenerative chatter is widely employed to find the axial depth of cut and the spindle speed in which ...
Yutaka NAKANO, Hiroki TAKAHARA, Kengo KAWAI   +2 more
doaj   +1 more source

Chatter in manufacturing system: Prediction and detection [PDF]

Tehnika
Chatter is a phenomenon that periodically occurs in machining systems. Its occurrence in machining processes excites the tool and other elements of the machining system, creating "chatter marks" on the workpiece surface, which affects the quality of the ...
Vorkapić Nikola M., Kokotović Branko M., Živanović Saša T.   +2 more
doaj   +1 more source

Chattering suppression of the sliding mode observer for marine electric propulsion motor based on piecewise power function

Frontiers in Energy Research, 2022
The sliding mode observer (SMO)–based sensorless control is essentially a discontinuous switching control algorithm. Therefore, there is large speed or torque chattering in the permanent magnet synchronous motor (PMSM) with existing sliding mode observer–
Xiangfeng Li, Shengqiang Zhan, Fang Guo, Zidan Zhuang, Huitao Zhang, Hui Liao, Lili Qu   +6 more
doaj   +1 more source

Hybrid Edge–Cloud-Based Smart System for Chatter Suppression in Train Wheel Repair

Applied Sciences, 2019
The contact profile of a train wheel has a key role in its operation performance. Rolling smoothly and with reduced resistance results in an increase in the efficiency and safety of rail transport.
Ruben Merino, Iñigo Bediaga, Alexander Iglesias, Jokin Munoa   +3 more
doaj   +1 more source

LITERATURE REVIEW OF OPTIMIZATION TECHNIQUES FOR CHATTER SUPPRESSION IN MACHINING [PDF]

Journal of Mechanical Engineering and Sciences, 2011
Chatter produces a poor surface finish, high tool wear, and can even damage machine tools because of the regenerative effect, the loss of contact effect, and the mode coupling effect. Various research works have investigated the suppression of chatter by
Ahmad RazlanYusoff, Mohamed Reza Zalani Mohamed Suffian, Mohd Yusof Taib   +2 more
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