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    Modeling and Analysis of Acoustic Emission in Diamond Turning

    Source: Journal of Manufacturing Science and Engineering:;1996:;volume( 118 ):;issue: 002::page 199
    Author:
    J. J. Liu
    ,
    D. A. Dornfeld
    DOI: 10.1115/1.2831012
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: To estimate the acoustic emission (AE) energy released in diamond turning, a quantitative model, which contains the energy from primary, secondary, tertiary cutting zones and the rubbing zones, is proposed and compared with experimental data. The purpose of this model is to assist in process characterization and monitoring. As part of the model developed here the plowing energy, that is, the energy released in the tertiary zone, is approximated by the forming load in the rolling process where the roller is stationary. This load is theoretically calculated by the upper bound method and used in the estimation. A series of diamond turning tests were conducted to check the validity of the model. It was found that the energy content of the AE signal is close to the theoretical predictions. The spectral analysis of the AE signal in these tests is also carried out. It was noticed that when the diamond tool first touches the workpiece without producing any chip, more high frequency components were observed and this stage was recognized as the rubbing stage. The results further support the previous findings, that is, that abnormal rubbing always increases the mean frequency of the raw AE signal.
    keyword(s): Diamond turning , Acoustic emissions , Modeling , Signals , Stress , Diamond tools , Emission spectroscopy , Cutting , Rollers AND Touch (physiological) ,
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      Modeling and Analysis of Acoustic Emission in Diamond Turning

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/117318
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    • Journal of Manufacturing Science and Engineering

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    contributor authorJ. J. Liu
    contributor authorD. A. Dornfeld
    date accessioned2017-05-08T23:50:53Z
    date available2017-05-08T23:50:53Z
    date copyrightMay, 1996
    date issued1996
    identifier issn1087-1357
    identifier otherJMSEFK-27276#199_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/117318
    description abstractTo estimate the acoustic emission (AE) energy released in diamond turning, a quantitative model, which contains the energy from primary, secondary, tertiary cutting zones and the rubbing zones, is proposed and compared with experimental data. The purpose of this model is to assist in process characterization and monitoring. As part of the model developed here the plowing energy, that is, the energy released in the tertiary zone, is approximated by the forming load in the rolling process where the roller is stationary. This load is theoretically calculated by the upper bound method and used in the estimation. A series of diamond turning tests were conducted to check the validity of the model. It was found that the energy content of the AE signal is close to the theoretical predictions. The spectral analysis of the AE signal in these tests is also carried out. It was noticed that when the diamond tool first touches the workpiece without producing any chip, more high frequency components were observed and this stage was recognized as the rubbing stage. The results further support the previous findings, that is, that abnormal rubbing always increases the mean frequency of the raw AE signal.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleModeling and Analysis of Acoustic Emission in Diamond Turning
    typeJournal Paper
    journal volume118
    journal issue2
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.2831012
    journal fristpage199
    journal lastpage207
    identifier eissn1528-8935
    keywordsDiamond turning
    keywordsAcoustic emissions
    keywordsModeling
    keywordsSignals
    keywordsStress
    keywordsDiamond tools
    keywordsEmission spectroscopy
    keywordsCutting
    keywordsRollers AND Touch (physiological)
    treeJournal of Manufacturing Science and Engineering:;1996:;volume( 118 ):;issue: 002
    contenttypeFulltext
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