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Reliability analysis of regenerative chatter stability in turning tool systems by modified control variate method
Turning is one of the most common cutting methods in metal machining. During turning, relative movement occurs between the lathe, the tool, and the...
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Finite-frequency H∞ control for active chatter suppression in turning
Regenerative chatter deteriorates machining precision and accelerates tool wear, thereby limiting productivity. This paper presents the design,...
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Displacement difference feedback control of chatter in milling processes
Chatter is an unfavorable phenomenon that commonly occurs in the machining process, which results in various problems such as poorly finished...
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Research progress on the chatter stability in machining systems
The research status and progress of the chatter stability in machining systems were systematically reviewed. Three types of chatter mechanisms and...
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Chatter-Free Adaptive Control of a Memristor-Based Four-Dimensional Chaotic Oscillator
Memristors have several chaotic dynamic models and have been used successfully in various fields, including secure communication systems, information...
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Chatter detection and suppression in machining processes: a comprehensive analysis
Chatter is a phenomenon that occurs during machining operations, causing vibrations that can negatively impact the quality of the machined surface....
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Real-time chatter detection during turning operation using wavelet scattering network
Chatter vibration is an undesired phenomenon in machining operations. Chatter can lead to reduced machining quality, productivity, and tool life. The...
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Chatter Identification on a Mobile Milling Machine: Experimental Insights Using Low-frequency Internal Sensors
IntroductionOn-site milling with mobile machine tools is a popular solution for the modification of large or immobile metal parts. For such...
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Enhanced dynamic modeling of chatter incorporating nonlinear Hertzian contact
Chatter during milling significantly hampers machining productivity, surface quality, and machine accuracy. This study introduces an analytical...
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On a simulation-based chatter prediction system by integrating relative entropy and dynamic cutting force
This paper aims to develop a simulation-based chatter prediction system using relative entropy—Kullback-Leibler divergence (KLD), and the NC program...
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Research on milling chatter monitoring and suppression based on IWPEE and VASS dual indicators
Chatter is harmful for cutting processing, which can cause the surface quality of the workpiece to decline, violent tool wear, even broken tools and...
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A novel control strategy for suppression of regenerative chatter in conventional lathe
Realizing good quality of machined parts at reduced production time and cost is an important task. Cutting parameters have a major influence on the...
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Chatter suppression analysis for variable pitch cutter in milling
Milling cutter with variable pitches can effectively suppress chatter. In order to quickly and accurately calculate stability boundaries in the...
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An intelligent milling chatter detection method based on VMD-synchro-squeeze wavelet and transfer learning via deep CNN with vibration signals
Chatter is an undesirable vibration that reduces the surface quality and dimensional accuracy of the workpieces, as well as reduction tool life. In...
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Ultrasonic vibration–assisted chatter suppression for deep hole boring of stainless steel
Due to the low rigidity of the boring bar with a large length-to-diameter ratio, chatter easily occurs during deep hole boring. In this paper, an...
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Chatter detection in milling processes—a review on signal processing and condition classification
Among the diverse challenges in machining processes, chatter has a significant detrimental effect on surface quality and tool life, and it is a major...
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An effective investigation of chatter prediction system on Al6061 alloy in an end milling process
Visual examination of the surface topography, in conjunction with the other sensors, may confirm the existence of chatter. Online chatter detection...
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Milling chatter identification by optimized variational mode decomposition and fuzzy entropy
Chatter is a self-excited vibration that reduces the quality of the workpiece surface and accelerates tool wear, it is a phenomenon that is difficult...
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Chatter-free tool orientations during five-axis ball-end milling of curved thin-walled parts
Tool orientation is an important factor for improving machining stability in five-axis milling. However, there is still a lack of tool orientation...
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Effects of nonlinear behaviour of linear ball guideway on chatter frequency of lathe machine tool
Linear ball guideways (LBGs) have several advantages for the precise positioning control of machine tools. However, the ball-groove contact behaviour...
