High torsion stiffness leafspring flexure element using distributed warping constraints

Autor: Nijenhuis, Marijn, Naves, Mark, Brouwer, Dannis, Leach, Richard K., Akrofi-Ayesu, A., Nisbet, C., Phillips, Dishi

Publikováno v: European Society for Precision Engineering and Nanotechnology, Conference Proceedings-22nd International Conference and Exhibition, EUSPEN 2022, 119-122
STARTPAGE=119;ENDPAGE=122;TITLE=European Society for Precision Engineering and Nanotechnology, Conference Proceedings-22nd International Conference and Exhibition, EUSPEN 2022

Leafsprings are commonly used in flexure mechanisms to enable repeatable motion and provide support stiffness. In various applications, the torsional stiffness needs to be increased. This paper presents the concept of using warping constraints distri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::03c01d4bfc75e26650f269d8c03fe6aa
https://research.utwente.nl/en/publications/a080a438-ef6e-43e8-864e-97e9bc8d8cc6

Active vibration isolation with integrated virtual balance mass for a motion stage

Autor: Spanjer, Sil, Kelder, Roy, Hakvoort, Wouter, Leach, Richard K., Akrofi-Ayesu, A., Nisbet, C., Phillips, Dishi

Publikováno v: euspen’s 22 nd International Conference & Exhibition, Geneva, CH, May/June 2022, 195-198
STARTPAGE=195;ENDPAGE=198;TITLE=euspen’s 22 nd International Conference & Exhibition, Geneva, CH, May/June 2022

Many precision machines, such as wafer scanners, have an internal motion stage. These stages generate reaction forces that act directly on the machine frame. A common method to minimize the effect of these reaction forces is a balance mass. To elimin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::746183ab4644ddfb97c9d763f2e9ef9c
https://research.utwente.nl/en/publications/e4992bcd-a255-49f8-a0d1-b3278b18932d

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T-Flex: A large range of motion fully flexure-based 6-DOF hexapod

Autor: Naves, M., Hakvoort, W.B.J., Nijenhuis, M., Brouwer, D.M., Leach, R.K., Billington, D., Nisbet, C., Phillips, D.

Publikováno v: Proceedings of the 20th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2020, 205-208
STARTPAGE=205;ENDPAGE=208;TITLE=Proceedings of the 20th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2020

Six degree of freedom manipulation provides full control over position and orientation, essential for many applications. However, six degree of freedom closed kinematic (parallel) manipulators either have a limited range of motion combined with a goo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::45002332740b82869dae9c2e82d9adb9
https://research.utwente.nl/en/publications/242b4da5-e28b-4fe0-9433-07502348f46e

Flexure mechanism with increased dynamic performance by overconstraining using viscoelastic material

Autor: Klein Avink, Sven, Nijenhuis, Marijn, Dierkes, Wilma, Noordermeer, Jacques, Brouwer, Dannis, Leach, Richard K., Billington, D., Nisbet, C., Phillips, D.

Publikováno v: European Society for Precision Engineering and Nanotechnology, Conference Proceedings-19th International Conference and Exhibition, EUSPEN 2019, 82-85
STARTPAGE=82;ENDPAGE=85;TITLE=European Society for Precision Engineering and Nanotechnology, Conference Proceedings-19th International Conference and Exhibition, EUSPEN 2019

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 add

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::421e5c0616186faf92319c726caed3cd
https://research.utwente.nl/en/publications/b748cd53-9c9e-4732-b978-c32610e0f727