Influence of lubricant on nonlinear vibration characteristics of linear rolling guideway

Yasunori Sakai, Tomohisa Tanaka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Linear rolling guideways are widely used in precision mechanical systems such as robots and machine tools. Clarifying the natural vibration characteristics of a linear rolling guideway is important for improving the performance of mechanical systems, because the dynamic characteristics of the guideway strongly influence the dynamics and posture accuracy of mechanical systems. This study focuses on the natural vibration characteristics of linear rolling guideways. We discuss both the nonlinear relationship between friction and natural vibration, and the influence of the lubricant specification on the nonlinearity of nonlinear natural vibration. Additionally, the effects of the lubricant specifications on the damping ratio are different for different vibration modes, owing to the differences between the damping mechanisms.

Original languageEnglish
Article number106124
JournalTribology International
Volume144
DOIs
Publication statusPublished - 2020 Apr

Keywords

  • Friction induced vibration
  • Nonlinear spring behavior
  • Rolling machine element
  • Vibration damping

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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