Rotordynamic Investigation of Roll Bouncing Phenomenon in Two-Drum Winder

Samuli Rytömaa*, Sampo Laine, Raine Viitala

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


In paper manufacturing, the vibration caused by roll bouncing is one of the factors limiting the productivity of a two-drum winder. As paper roll rotational speed intersects with natural frequencies of the winder system during the winding cycle, resonance occurs leading to roll bouncing and high vibration levels. To help understand the phenomenon, a simulation model of a two-drum winder is investigated. The model includes the unbalance, changing rotational speed and increasing paper roll diameter. The model is based on finite-element method, including the rotordynamic effects. An example winder geometry is used to demonstrate the simulation capabilities using modal and forced response analysis. The results indicate that the model is capable of capturing the roll bouncing problem and agrees qualitatively with previous research. The model can be used to improve winder designs and therefore increase their productivity.

Original languageEnglish
Title of host publicationAdvances in Mechanism and Machine Science - Proceedings of the 16th IFToMM World Congress 2023—Volume 1
EditorsMasafumi Okada
Number of pages10
ISBN (Print)978-3-031-45704-3
Publication statusPublished - 2023
MoE publication typeA4 Conference publication
EventInternational Federation of Theory of Machines and Mechanisms World Congress - Tokyo, Japan
Duration: 5 Nov 20239 Nov 2023
Conference number: 16

Publication series

NameMechanisms and Machine Science
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992


ConferenceInternational Federation of Theory of Machines and Mechanisms World Congress
Abbreviated titleIFToMM WC


  • Paper industry
  • Roll bouncing
  • Rotordynamics
  • Two-drum winder


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