Investigation of micro sheet metal forming of ball retainer using finite element analysis

R. S. Lee; C. H. Chen; Y. F. Sung

doi:10.1007/978-1-84628-988-0_22

Investigation of micro sheet metal forming of ball retainer using finite element analysis

R. S. Lee, C. H. Chen, Y. F. Sung

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

In this paper, the thickness/grain size ratio was proposed as an indicator for studying the size effect of micro deep drawing of a ball retainer. Experiments with AISI 304 stainless steel with 0.06mm thickness were performed by heat treatment and tensile test. Flow stresses at various thickness/grain size ratios were obtained. The commercial finite element software LS-DYNA was used to simulate the deep drawing process of the ball retainer. The simulation results agree well with experimental results. The effective stress on the lower fringe of ball hole decreases as the thickness/grain size ratio decrease. Effective strain and thickness shows less sensitivity with the thickness/grain size ratio according to the comparison. It determined that the thickness/grain size ratio would be an important indicator for process design as it corresponds to a heat treatment condition.

Original language	English
Title of host publication	Proceedings of the 35th International MATADOR 2007 Conference
Publisher	Springer Science and Business Media, LLC
Pages	101-104
Number of pages	4
ISBN (Print)	9781846289873
DOIs	https://doi.org/10.1007/978-1-84628-988-0_22
Publication status	Published - 2007 Jan 1
Event	35th International MATADOR 2007 Conference - Taipei, Taiwan Duration: 2007 Jul 1 → 2007 Jul 1

Publication series

Name	Proceedings of the 35th International MATADOR 2007 Conference

Other

Other	35th International MATADOR 2007 Conference
Country	Taiwan
City	Taipei
Period	07-07-01 → 07-07-01

All Science Journal Classification (ASJC) codes

Mechanics of Materials

Access to Document

10.1007/978-1-84628-988-0_22

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Cite this

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title = "Investigation of micro sheet metal forming of ball retainer using finite element analysis",

abstract = "In this paper, the thickness/grain size ratio was proposed as an indicator for studying the size effect of micro deep drawing of a ball retainer. Experiments with AISI 304 stainless steel with 0.06mm thickness were performed by heat treatment and tensile test. Flow stresses at various thickness/grain size ratios were obtained. The commercial finite element software LS-DYNA was used to simulate the deep drawing process of the ball retainer. The simulation results agree well with experimental results. The effective stress on the lower fringe of ball hole decreases as the thickness/grain size ratio decrease. Effective strain and thickness shows less sensitivity with the thickness/grain size ratio according to the comparison. It determined that the thickness/grain size ratio would be an important indicator for process design as it corresponds to a heat treatment condition.",

author = "Lee, {R. S.} and Chen, {C. H.} and Sung, {Y. F.}",

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Lee, RS, Chen, CH & Sung, YF 2007, Investigation of micro sheet metal forming of ball retainer using finite element analysis. in Proceedings of the 35th International MATADOR 2007 Conference. Proceedings of the 35th International MATADOR 2007 Conference, Springer Science and Business Media, LLC, pp. 101-104, 35th International MATADOR 2007 Conference, Taipei, Taiwan, 07-07-01. https://doi.org/10.1007/978-1-84628-988-0_22

Investigation of micro sheet metal forming of ball retainer using finite element analysis. / Lee, R. S.; Chen, C. H.; Sung, Y. F.

Proceedings of the 35th International MATADOR 2007 Conference. Springer Science and Business Media, LLC, 2007. p. 101-104 (Proceedings of the 35th International MATADOR 2007 Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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