Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations

Kaibo Lu; Yuhao Wang; Peisheng Lou; Fengshou Gu; Xinyu Pang

doi:10.1007/978-3-030-57745-2_113

Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations

Kaibo Lu, Yuhao Wang, Peisheng Lou, Fengshou Gu, Xinyu Pang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Chatter as well as flexural deformation frequently occurring in long slender workpieces turning process, reduces the dynamic stability and geometric accuracy of the operation. This study aims to analyze the vibration characterisitcs of a compliant workpiece in straight turning so as to provide a prelude for online condition monitoring and control of chatter issues in machining of flexible workpieces. Considering the effect of the time-varying cutting positions due to tool movement, the chatter stability of the cutting system along the cutting path is constructed, and the critical stiffness expression for chatter onset prediction is deduced. After that, machining experiments were carried out to observe the vibration transition mechanism of the compliant workpiece during turning operations. Combining the theoretical analysis and the experimental measurements, the vibration characteristics of the compliant workpiece during stable and unstable cutting are compared and summarized. The present study provides an in-depth understanding of the dynamic behavior of flexible rods in turning operations.

Original language	English
Title of host publication	Advances in Asset Management and Condition Monitoring, COMADEM 2019
Editors	Andrew Ball, Len Gelman, B.K.N. Rao
Publisher	Springer, Cham
Pages	1375-1383
Number of pages	9
Volume	166
ISBN (Electronic)	9783030577452
ISBN (Print)	9783030577445
DOIs	https://doi.org/10.1007/978-3-030-57745-2_113
Publication status	Published - 28 Aug 2020
Event	32nd International Congress and Exhibition on Conditioning Monitoring and Diagnostic Engineering Management Conference - University of Huddersfield, Huddersfield, United Kingdom Duration: 3 Sep 2019 → 5 Sep 2019 Conference number: 32 http://www.comadem2019.com/ (Link to Conference Website)

Publication series

Name	Smart Innovation, Systems and Technologies
Publisher	Springer
Volume	166
ISSN (Print)	2190-3018
ISSN (Electronic)	2190-3026

Conference

Conference	32nd International Congress and Exhibition on Conditioning Monitoring and Diagnostic Engineering Management Conference
Abbreviated title	COMADEM 2019
Country/Territory	United Kingdom
City	Huddersfield
Period	3/09/19 → 5/09/19
Internet address	http://www.comadem2019.com/ (Link to Conference Website)

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10.1007/978-3-030-57745-2_113Licence: Unspecified

Cite this

Lu, K., Wang, Y., Lou, P., Gu, F., & Pang, X. (2020). Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations. In A. Ball, L. Gelman, & B. K. N. Rao (Eds.), Advances in Asset Management and Condition Monitoring, COMADEM 2019 (Vol. 166, pp. 1375-1383). (Smart Innovation, Systems and Technologies; Vol. 166). Springer, Cham. https://doi.org/10.1007/978-3-030-57745-2_113

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title = "Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations",

abstract = "Chatter as well as flexural deformation frequently occurring in long slender workpieces turning process, reduces the dynamic stability and geometric accuracy of the operation. This study aims to analyze the vibration characterisitcs of a compliant workpiece in straight turning so as to provide a prelude for online condition monitoring and control of chatter issues in machining of flexible workpieces. Considering the effect of the time-varying cutting positions due to tool movement, the chatter stability of the cutting system along the cutting path is constructed, and the critical stiffness expression for chatter onset prediction is deduced. After that, machining experiments were carried out to observe the vibration transition mechanism of the compliant workpiece during turning operations. Combining the theoretical analysis and the experimental measurements, the vibration characteristics of the compliant workpiece during stable and unstable cutting are compared and summarized. The present study provides an in-depth understanding of the dynamic behavior of flexible rods in turning operations.",

keywords = "Chatter, Flexible workpiece, Turning",

author = "Kaibo Lu and Yuhao Wang and Peisheng Lou and Fengshou Gu and Xinyu Pang",

year = "2020",

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booktitle = "Advances in Asset Management and Condition Monitoring, COMADEM 2019",

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note = "32nd International Congress and Exhibition on Conditioning Monitoring and Diagnostic Engineering Management Conference, COMADEM 2019 ; Conference date: 03-09-2019 Through 05-09-2019",

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Lu, K, Wang, Y, Lou, P, Gu, F & Pang, X 2020, Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations. in A Ball, L Gelman & BKN Rao (eds), Advances in Asset Management and Condition Monitoring, COMADEM 2019. vol. 166, Smart Innovation, Systems and Technologies, vol. 166, Springer, Cham, pp. 1375-1383, 32nd International Congress and Exhibition on Conditioning Monitoring and Diagnostic Engineering Management Conference, Huddersfield, United Kingdom, 3/09/19. https://doi.org/10.1007/978-3-030-57745-2_113

Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations. / Lu, Kaibo; Wang, Yuhao; Lou, Peisheng et al.

Advances in Asset Management and Condition Monitoring, COMADEM 2019. ed. / Andrew Ball; Len Gelman; B.K.N. Rao. Vol. 166 Springer, Cham, 2020. p. 1375-1383 (Smart Innovation, Systems and Technologies; Vol. 166).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations

AU - Lu, Kaibo

AU - Wang, Yuhao

AU - Lou, Peisheng

AU - Gu, Fengshou

AU - Pang, Xinyu

N1 - Conference code: 32

PY - 2020/8/28

Y1 - 2020/8/28

N2 - Chatter as well as flexural deformation frequently occurring in long slender workpieces turning process, reduces the dynamic stability and geometric accuracy of the operation. This study aims to analyze the vibration characterisitcs of a compliant workpiece in straight turning so as to provide a prelude for online condition monitoring and control of chatter issues in machining of flexible workpieces. Considering the effect of the time-varying cutting positions due to tool movement, the chatter stability of the cutting system along the cutting path is constructed, and the critical stiffness expression for chatter onset prediction is deduced. After that, machining experiments were carried out to observe the vibration transition mechanism of the compliant workpiece during turning operations. Combining the theoretical analysis and the experimental measurements, the vibration characteristics of the compliant workpiece during stable and unstable cutting are compared and summarized. The present study provides an in-depth understanding of the dynamic behavior of flexible rods in turning operations.

AB - Chatter as well as flexural deformation frequently occurring in long slender workpieces turning process, reduces the dynamic stability and geometric accuracy of the operation. This study aims to analyze the vibration characterisitcs of a compliant workpiece in straight turning so as to provide a prelude for online condition monitoring and control of chatter issues in machining of flexible workpieces. Considering the effect of the time-varying cutting positions due to tool movement, the chatter stability of the cutting system along the cutting path is constructed, and the critical stiffness expression for chatter onset prediction is deduced. After that, machining experiments were carried out to observe the vibration transition mechanism of the compliant workpiece during turning operations. Combining the theoretical analysis and the experimental measurements, the vibration characteristics of the compliant workpiece during stable and unstable cutting are compared and summarized. The present study provides an in-depth understanding of the dynamic behavior of flexible rods in turning operations.

KW - Chatter

KW - Flexible workpiece

KW - Turning

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T2 - 32nd International Congress and Exhibition on Conditioning Monitoring and Diagnostic Engineering Management Conference

Y2 - 3 September 2019 through 5 September 2019

ER -

Lu K, Wang Y, Lou P, Gu F, Pang X. Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations. In Ball A, Gelman L, Rao BKN, editors, Advances in Asset Management and Condition Monitoring, COMADEM 2019. Vol. 166. Springer, Cham. 2020. p. 1375-1383. (Smart Innovation, Systems and Technologies). Epub 2020 Aug 28. doi: 10.1007/978-3-030-57745-2_113

Chatter Characteristics Analysis of a Compliant Workpiece in Straight Turning Operations

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