Experimental study of leadscrew stresses in-service by digital image correlation method

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Leadscrew is used to translate turning motion into linear motion. The alternative stress is happening during the motion, and fatigue may happen when the leadscrew undergoes reciprocating motion. The purpose of this study is to measure the deformation of leadscrew in-service by digital image correlation method (DIC) for fatigue failure evaluation. The leadscrew was undergoing reciprocating motion, and the deformed leadscrew images were captured by a CCD camera. Full-field strain of the deformed leadscrew was obtained by using digital image correlation, and to further obtain the full-field stress. The deformation at several points were examined. The results show that at the points of concentrated stress, the maximun Von Mises stress is about four times bigger than that at the other points, and fatigue may be occured.

Original languageEnglish
Title of host publicationInternational Conference on Experimental Mechanics 2014
EditorsAnand Asundi, Fook Siong Chau, Chenggen Quan, Kemao Qian
PublisherSPIE
ISBN (Electronic)9781628413885
DOIs
Publication statusPublished - 2015 Jan 1
EventInternational Conference on Experimental Mechanics 2014, ICEM 2014 - Singapore, Singapore
Duration: 2014 Nov 152014 Nov 17

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9302
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherInternational Conference on Experimental Mechanics 2014, ICEM 2014
Country/TerritorySingapore
CitySingapore
Period14-11-1514-11-17

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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