Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material

Sven  Klein Avink; Marijn Nijenhuis; Wilma Dierkes; Jacques Noordermeer; Dannis Brouwer

Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material

Sven Klein Avink, Marijn Nijenhuis^*, Wilma Dierkes, Jacques Noordermeer, Dannis Brouwer

^*Corresponding author for this work

Elastomer Technology and Engineering

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

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Abstract

Flexure mechanisms are commonly designed to be exactly constrained to favour determinism, though at the expense of limitations on parasitic eigenfrequencies and support stiffness. This paper presents the use of viscoelastic material for providing additional stiffness without the indeterminism commonly associated with overconstraining. It is demonstrated experimentally that a custom synthesised elastomer compound can compensate for unintended misalignments without internal stress buildup, while improving the dynamic performance in terms of the first parasitic eigenfrequency. The measurements are corroborated by a nonlinear flexible multibody analysis.

Original language	English
Title of host publication	European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019
Editors	Richard K. Leach, D. Billington, C. Nisbet, D. Phillips
Publisher	EUSPEN
Pages	82-85
Number of pages	4
ISBN (Electronic)	9780995775145
Publication status	Published - Jun 2019
Event	19th EUSPEN International Conference & Exhibition, ICE 2019 - Euskalduna, Bilbao, Spain Duration: 3 Jun 2019 → 7 Jun 2019 Conference number: 19 https://www.euspen.eu/events/19th-ice-bilbao/

Conference

Conference	19th EUSPEN International Conference & Exhibition, ICE 2019
Abbreviated title	ICE 2019
Country/Territory	Spain
City	Bilbao
Period	3/06/19 → 7/06/19
Internet address	https://www.euspen.eu/events/19th-ice-bilbao/

Keywords

Exactly constrained
Misalignment
Overconstrained
Parallel leaf spring mechanism
Viscoelasticity

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Klein Avink, S., Nijenhuis, M., Dierkes, W., Noordermeer, J., & Brouwer, D. (2019). Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material. In R. K. Leach, D. Billington, C. Nisbet, & D. Phillips (Eds.), European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019 (pp. 82-85). EUSPEN.

Klein Avink, Sven ; Nijenhuis, Marijn ; Dierkes, Wilma et al. / Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material. European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. editor / Richard K. Leach ; D. Billington ; C. Nisbet ; D. Phillips. EUSPEN, 2019. pp. 82-85

@inproceedings{b748cd539c9e4732b978c32610e0f727,

title = "Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material",

abstract = "Flexure mechanisms are commonly designed to be exactly constrained to favour determinism, though at the expense of limitations on parasitic eigenfrequencies and support stiffness. This paper presents the use of viscoelastic material for providing additional stiffness without the indeterminism commonly associated with overconstraining. It is demonstrated experimentally that a custom synthesised elastomer compound can compensate for unintended misalignments without internal stress buildup, while improving the dynamic performance in terms of the first parasitic eigenfrequency. The measurements are corroborated by a nonlinear flexible multibody analysis.",

keywords = "Exactly constrained, Misalignment, Overconstrained, Parallel leaf spring mechanism, Viscoelasticity",

author = "{Klein Avink}, Sven and Marijn Nijenhuis and Wilma Dierkes and Jacques Noordermeer and Dannis Brouwer",

note = "Funding Information: This research was funded by the Innovative Research Incentives Scheme VIDI (Stichting voor de Technische Wetenschappen) (14152 NWO TTW) of the Ministry of Education, Culture and Science of the Netherlands. Publisher Copyright: {\textcopyright} 2019 European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. All rights reserved.; 19th EUSPEN International Conference & Exhibition, ICE 2019, ICE 2019 ; Conference date: 03-06-2019 Through 07-06-2019",

year = "2019",

month = jun,

language = "English",

pages = "82--85",

editor = "Leach, {Richard K.} and D. Billington and C. Nisbet and D. Phillips",

booktitle = "European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019",

publisher = "EUSPEN",

url = "https://www.euspen.eu/events/19th-ice-bilbao/",

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Klein Avink, S, Nijenhuis, M , Dierkes, W, Noordermeer, J & Brouwer, D 2019, Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material. in RK Leach, D Billington, C Nisbet & D Phillips (eds), European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. EUSPEN, pp. 82-85, 19th EUSPEN International Conference & Exhibition, ICE 2019, Bilbao, Spain, 3/06/19.

Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material. / Klein Avink, Sven ; Nijenhuis, Marijn ; Dierkes, Wilma et al.

European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. ed. / Richard K. Leach; D. Billington; C. Nisbet; D. Phillips. EUSPEN, 2019. p. 82-85.

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

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T1 - Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material

AU - Klein Avink, Sven

AU - Nijenhuis, Marijn

AU - Dierkes, Wilma

AU - Noordermeer, Jacques

AU - Brouwer, Dannis

N1 - Conference code: 19

PY - 2019/6

Y1 - 2019/6

N2 - Flexure mechanisms are commonly designed to be exactly constrained to favour determinism, though at the expense of limitations on parasitic eigenfrequencies and support stiffness. This paper presents the use of viscoelastic material for providing additional stiffness without the indeterminism commonly associated with overconstraining. It is demonstrated experimentally that a custom synthesised elastomer compound can compensate for unintended misalignments without internal stress buildup, while improving the dynamic performance in terms of the first parasitic eigenfrequency. The measurements are corroborated by a nonlinear flexible multibody analysis.

AB - Flexure mechanisms are commonly designed to be exactly constrained to favour determinism, though at the expense of limitations on parasitic eigenfrequencies and support stiffness. This paper presents the use of viscoelastic material for providing additional stiffness without the indeterminism commonly associated with overconstraining. It is demonstrated experimentally that a custom synthesised elastomer compound can compensate for unintended misalignments without internal stress buildup, while improving the dynamic performance in terms of the first parasitic eigenfrequency. The measurements are corroborated by a nonlinear flexible multibody analysis.

KW - Exactly constrained

KW - Misalignment

KW - Overconstrained

KW - Parallel leaf spring mechanism

KW - Viscoelasticity

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M3 - Conference contribution

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EP - 85

BT - European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019

A2 - Leach, Richard K.

A2 - Billington, D.

A2 - Nisbet, C.

A2 - Phillips, D.

PB - EUSPEN

T2 - 19th EUSPEN International Conference & Exhibition, ICE 2019

Y2 - 3 June 2019 through 7 June 2019

ER -

Klein Avink S, Nijenhuis M , Dierkes W, Noordermeer J, Brouwer D. Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material. In Leach RK, Billington D, Nisbet C, Phillips D, editors, European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 19th International Conference and Exhibition, EUSPEN 2019. EUSPEN. 2019. p. 82-85

Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material

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