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Adaptive friction bearing for reduction of stick-slip effects

: Engel, T.; Lechler, A.; Verl, A.


Merklein, M. ; Wissenschaftliche Gesellschaft für Produktionstechnik -WGP-:
WGP Congress 2014. Progress in Production Engineering : Selected, peer reviewed papers from the 2014 WGP Congress, September 9-10, 2014, Erlangen, Germany
Dürnten: Trans Tech Publications, 2014 (Advanced materials research 1018)
ISBN: 978-3-03835-245-7 (Print)
ISBN: 978-3-03795-941-1 (CD-ROM)
ISBN: 978-3-03826-629-7 (eBook)
Wissenschaftliche Gesellschaft für Produktionstechnik (WGP Congress) <4, 2014, Erlangen>
Conference Paper

The motion quality of high precision feed drives is often limited by nonlinear friction effects. This paper presents an approach of using ultrasonic vibrations integrated into the linear bearings of the feed drive in order to control the friction. Measurement results of an ultrasonic excited prototype are shown and a control strategy for stick-slip reduction is proposed.