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Information Journal Paper

Title

The new approach to practical predicting and controlling the chatter phenomenon in the internal turning process

Pages

  56-73

Abstract

 Due to its complex nature, the chatter phenomenon in turning processes has always been important for the researchers of machine science and many efforts have been made to control it. However, due to the need of manufacturing industries to increase productivity and accuracy and reduce rejection rates and production costs, the need to develop better techniques is felt more than ever. Although the passive methods of vibration control are always stable, they have limited functionality. Active methods of vibration control have the ability to suppress the vibrations properly in different situations. This paper aims to develop a new, active and economic method for detection and controlling chatter phenomenon before it occurs in the boring process. First, various signal processing methods were briefly reviewed and compared, then two methods which are faster and more accurate in determining the occurrence of chatter were chosen, and the time required for the transition from the stable to unstable mode was determined based on the signals. Then many tests were performed with and without a control system. The accelerometer’ s output signal which was measured in 0. 1 seconds were used in these tests. Two methods of signal processing (Fourier transform and spectral density) were also applied as indicators of the chatter occurrence at the initial moment. Then, using an active control system, the command was given to slow down the speed of the milling machine to switch the system back to its stable state. Using this control method, many tests were performed with different parameters for boring process. In all tests, when the process was stable, the control system did not enter the circuit, and when the process went into the unstable stage, the chatter phenomenon was detected and controlled in the pre-chatter stage before the surface was damaged.

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  • Cite

    APA: Copy

    Khalili Geshnigani, Maryam, RAFEEYAN, MANSOUR, & Abootorabi, Mohammad Mehdi. (2019). The new approach to practical predicting and controlling the chatter phenomenon in the internal turning process. IRANIAN JOURNAL OF MANUFACTURING ENGINEERING, 5(4 ), 56-73. SID. https://sid.ir/paper/268242/en

    Vancouver: Copy

    Khalili Geshnigani Maryam, RAFEEYAN MANSOUR, Abootorabi Mohammad Mehdi. The new approach to practical predicting and controlling the chatter phenomenon in the internal turning process. IRANIAN JOURNAL OF MANUFACTURING ENGINEERING[Internet]. 2019;5(4 ):56-73. Available from: https://sid.ir/paper/268242/en

    IEEE: Copy

    Maryam Khalili Geshnigani, MANSOUR RAFEEYAN, and Mohammad Mehdi Abootorabi, “The new approach to practical predicting and controlling the chatter phenomenon in the internal turning process,” IRANIAN JOURNAL OF MANUFACTURING ENGINEERING, vol. 5, no. 4 , pp. 56–73, 2019, [Online]. Available: https://sid.ir/paper/268242/en

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