Application of modified molecular gas lubrication equation to the analysis of micromotor bushings

Ming Da Chen, Jau Wen Lin, Shun Ching Lee, Kuo Ming Chang, Wang Long Li

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

The microtribological phenomena have important effects on microelectro-mechanical systems (MEMS), especially when relative motion is required (e.g. microactuators). From the design concept of self-acting bearings (e.g. the flying head in a magnetic recording system), some step-shaped bushings beneath the rotor of a micromotor are considered and analyzed quantitatively. The modified molecular gas lubrication equation (MMGL) is utilized to analyze the step-shaped bushings. The results show that the coupling effects of roughness and gas rarefaction are significant and important in the design of bushings.

Original languageEnglish
Pages (from-to)507-513
Number of pages7
JournalTribology International
Volume37
Issue number6
DOIs
Publication statusPublished - 2004 Jun

All Science Journal Classification (ASJC) codes

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

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