Considerations about the influence of the geometrical deviations on the clearances of mechanical assemblies

António José Freire Mourão, Miguel Rodrigues, João Duarte

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

Abstract

The purpose of this paper is to analyze the geometric deviations of the components of a mechanical assembly in order to ascertain their influence on a specified clearance for an assembly. To a mechanical system was made an analysis of dimensional tolerances, and an analysis combining dimensional and geometric tolerances, as well as an analysis of the influence of each tolerance in the variation of the clearance. The results found shown that the inclusion of geometric tolerances in the tolerance analysis resulted in more than 130% increase on the variation of the clearance. Some proposals are suggested for use during the product development with the objective of reducing the influence of geometric deviations on the clearances, because the computation of this influence is not easy.
Original languageEnglish
Title of host publicationProceedings of the 6th International Conference on Mechanics and Materials in Design
EditorsJ.F. Silva Gomes & S.A. Meguid
Pages1295-1300
Number of pages6
Publication statusPublished - Jul 2015
Event6th International Conference on Mechanics and Materials in Design (M2D) - P Delgada, Portugal
Duration: 26 Jul 201530 Jul 2015

Conference

Conference6th International Conference on Mechanics and Materials in Design (M2D)
CountryPortugal
CityP Delgada
Period26/07/1530/07/15

Keywords

  • mechanical assembly
  • geometrical deviations
  • tolerances
  • product development

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