Machine design experiments using mechanical springs to foster discovery learning

Peter W. Malak, Mark L. Nagurka

Research output: Contribution to conferencePaperpeer-review

2 Scopus citations

Abstract

This paper describes new experiments that were designed to provide engineering students with opportunities for discovery learning experiences with systems using mechanical springs. A suite of practical experiments was developed presenting students with a range of challenges requiring them to analyze, measure, and design springs. Activities in the experiments include: (1) Identifying spring types (tension, compression, torsion) and appropriate applications (automotive door latches, key fobs, pens). (2) Disassembling and re-assembling padlocks (with design and manufacturing questions related to the springs used in the locks, and measurement of the stiffness of the shackle compression spring). (3) Achieving desired stiffnesses through appropriate series and parallel combinations of springs (requiring stiffness measurements of the given springs, and comparing to manufacturer's supplied data). (4) Experimentally determining shear moduli and stiffnesses of wire and 3D printed springs. Investigating overextension limits of springs.

Original languageEnglish
StatePublished - 1 Jan 2014
Externally publishedYes
Event121st ASEE Annual Conference and Exposition: 360 Degrees of Engineering Education - Indianapolis, IN, United States
Duration: 15 Jun 201418 Jun 2014

Conference

Conference121st ASEE Annual Conference and Exposition: 360 Degrees of Engineering Education
Country/TerritoryUnited States
CityIndianapolis, IN
Period15/06/1418/06/14

ASJC Scopus subject areas

  • Engineering (all)

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