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    Nonlinear Feed Effect in Machining Chatter Analysis

    Source: Journal of Manufacturing Science and Engineering:;2008:;volume( 130 ):;issue: 001::page 11017
    Author:
    Robert G. Landers
    ,
    A. Galip Ulsoy
    DOI: 10.1115/1.2783276
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Regenerative chatter is a major limitation to the productivity and quality of machining operations due to the excessive rate of tool wear and scrap parts which are produced. Machining chatter analysis techniques examine the stability of the closed-loop model (force process and machine tool-part structure) of the machining operation to determine the stable process parameter space. Almost all chatter analysis techniques assume a linear force process and develop stability lobe diagrams (i.e., plots of the stable and unstable regions in the process parameter space) for a specific feed. It is well known that machining force processes inherently contain a nonlinear relationship between the force and the feed, which is typically described by a power law. In this paper, the linear chatter analysis technique developed by Budak and Altintas is extended to account for the force-feed nonlinearity. The analysis provides insight into the effect feed has on chatter in machining operations. Also, by directly including the force-feed nonlinearity in the chatter analysis, the need to calibrate the force process model at different feeds is alleviated. The analysis is developed for turning and face milling operations and is validated via time domain simulations for both operations and by experiments for a face milling operation. The analyses show excellent agreement with both the time domain simulations and the experiments. Further, several end milling experiments were conducted that illustrate the nonlinear effect feed has on chatter in machining operations.
    keyword(s): Force , Machining , Chatter , Milling , Stability , Simulation , Turning AND Spindles (Textile machinery) ,
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      Nonlinear Feed Effect in Machining Chatter Analysis

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    http://yetl.yabesh.ir/yetl1/handle/yetl/138784
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    contributor authorRobert G. Landers
    contributor authorA. Galip Ulsoy
    date accessioned2017-05-09T00:29:31Z
    date available2017-05-09T00:29:31Z
    date copyrightFebruary, 2008
    date issued2008
    identifier issn1087-1357
    identifier otherJMSEFK-28026#011017_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/138784
    description abstractRegenerative chatter is a major limitation to the productivity and quality of machining operations due to the excessive rate of tool wear and scrap parts which are produced. Machining chatter analysis techniques examine the stability of the closed-loop model (force process and machine tool-part structure) of the machining operation to determine the stable process parameter space. Almost all chatter analysis techniques assume a linear force process and develop stability lobe diagrams (i.e., plots of the stable and unstable regions in the process parameter space) for a specific feed. It is well known that machining force processes inherently contain a nonlinear relationship between the force and the feed, which is typically described by a power law. In this paper, the linear chatter analysis technique developed by Budak and Altintas is extended to account for the force-feed nonlinearity. The analysis provides insight into the effect feed has on chatter in machining operations. Also, by directly including the force-feed nonlinearity in the chatter analysis, the need to calibrate the force process model at different feeds is alleviated. The analysis is developed for turning and face milling operations and is validated via time domain simulations for both operations and by experiments for a face milling operation. The analyses show excellent agreement with both the time domain simulations and the experiments. Further, several end milling experiments were conducted that illustrate the nonlinear effect feed has on chatter in machining operations.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleNonlinear Feed Effect in Machining Chatter Analysis
    typeJournal Paper
    journal volume130
    journal issue1
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.2783276
    journal fristpage11017
    identifier eissn1528-8935
    keywordsForce
    keywordsMachining
    keywordsChatter
    keywordsMilling
    keywordsStability
    keywordsSimulation
    keywordsTurning AND Spindles (Textile machinery)
    treeJournal of Manufacturing Science and Engineering:;2008:;volume( 130 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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