A passive adaptor to enhance chatter stability for end mills

Anderson, Chris; Semercigil, S.E.; Turan, Ozden

doi:10.1016/j.ijmachtools.2006.06.020

Cited by 16 publications

(4 citation statements)

References 15 publications

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“…Choi and Lee (1997) designed a passive control method, which used a passive damper in machining application. Anderson et al (2007) spread the work through passive adapter in the end milling process. Its main advantage was the absence of change to the machine tool structure.…”

Section: Introductionmentioning

confidence: 99%

A feedback controller for milling chatter vibration control using a new response matrix

Muhammad

Bashir

Hamza

et al. 2021

Journal of Vibration and Control

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A chatter mark is a result of irregular vibration that affects the milling process, which results in poor surface finish, reduced work quality, machine impairment, and high production cost. This work presents an active feedback controller design using a new response matrix to suppress the free vibration in the milling process. The proposed controller considers feed rate, tooth passing frequency, and time-varying dynamic milling force coefficients. A milling experiment verifies the effect of the proposed method. The method provides a reliable way of tackling chatter vibration in an industrial process. The procedure is technically and economically beneficial.

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Section: Introductionmentioning

confidence: 99%

A feedback controller for milling chatter vibration control using a new response matrix

Muhammad

Bashir

Hamza

et al. 2021

Journal of Vibration and Control

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“…Chatter identification and suppression has been one of the challenging tasks for the researchers. 1,2 In the last few decades, many researchers have adopted several approaches to suppress chatter by using parametric excitation, 3 passive adaptor, 4 piezo-electronic actuator, 5 electrostatic actuators 6 and active magnetic bearings. 7 Recently, spindle speed variation (SSV) approach has been adopted by researchers for chatter suppression.…”

Section: Introductionmentioning

confidence: 99%

Use of artificial neural network and multi-objective genetic algorithm approach to predict and ascertain stable cutting zone in conventional turning process

Kumar

Singh

2018

Noise & Vibration Worldwide

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This article is focused on the investigation of stable cutting zone in turning operation. Experiments have been conducted to acquire raw chatter signals. Generally, raw chatter signals are contaminated with ambient noise. Wavelet transform has been used for preprocessing and denoising these signals. In order to predict the severity of tool chatter, a new parameter denoted as chatter index has been evaluated considering the aforesaid denoised signals. In the present work, mathematical models have been developed for chatter index and metal removal rate using feedforward backpropagation-based artificial neural network considering three activation functions: TANSIG, LOGSIG and PURELIN. Furthermore, multi-objective genetic algorithm technique has been applied to evaluate stable cutting zones with maximized metal removal rate. TANSIG activation function found to be best option to achieve the aforesaid objectives. Good correlation between the artificial neural network predicted results and experimental ones validate the developed technique.

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“…C.S. Anderson [6]presented an add-on adaptor to enhance the chatter stability of an end mill cutter.As for face milling cutter, the overhang can't change. It is a challenge to modify the dynamic charactiristics of the tool tip by adjusting the structure of tool holder under a given spindle-holder-tool system.…”

Section: Introductionmentioning

confidence: 99%

Modification of the Dynamic Characteristics of the Tool Tip by Adding Mass on Tool–Tool Holder System

Shuzi

Chen

et al. 2013

AMM

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In this paper, a torus is designed as an adding mass to modify the dynamic characteristics of the tool-holder system in free boundary condition and in fixing boundary condition. The torus is fixed on the holder of a given face milling cutter, which may change the mass distribution and the stiffness distribution of the system, to adjust the frequency and damping ratio of the tool tip. Although the dynamic characteristics of the tool tip are significantly influenced by holder-spindle interface, the influence of the tool-holder can’t be neglected. In this attempt, by adding mass on the tool holder, the first order frequency decreased by 37% in free boundary condition and 6.7% in fixing boundary condition. The first damping radio increased by 48% in free boundary condition and 4.5% in fixing boundary condition. Chatter suppression is verified in the cutting process by adding mass on the holder.

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A passive adaptor to enhance chatter stability for end mills

Cited by 16 publications

References 15 publications

A feedback controller for milling chatter vibration control using a new response matrix

A feedback controller for milling chatter vibration control using a new response matrix

Use of artificial neural network and multi-objective genetic algorithm approach to predict and ascertain stable cutting zone in conventional turning process

Modification of the Dynamic Characteristics of the Tool Tip by Adding Mass on Tool–Tool Holder System

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