3-D Finite element simulation for flat-die thread rolling of stainless steel

Chi Hang Chen, Shui To Wang, Rong-Shean Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The product quality, die life and efficiency of flat-die thread rolling are influenced by complicated parameters. The trial-and-error approach cannot meet the recent technological requirement of this industry. Therefore, the process analysis for the development of the high quality screw and nut products for special alloy steel becomes increasingly important. In this paper, 2-D and 3-D finite element (FE) simulation was performed to investigate the difference between the results. The effects of penetration depth and thread die length on the effective stress, effective strain and thread height in flat-die thread rolling process was discussed. Moreover, a strain-hardness curve was established by compression test, and the micro-hardness of rolled thread was measured to verify the results of finite element simulation for flat-die thread rolling process. The results of predicted and measured hardness were compared.

Original languageEnglish
Pages (from-to)617-622
Number of pages6
JournalJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Volume26
Issue number4
Publication statusPublished - 2005 Dec 1

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Thread rolling
Stainless steel
Hardness
Nuts (fasteners)
Alloy steel
Microhardness
Industry

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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abstract = "The product quality, die life and efficiency of flat-die thread rolling are influenced by complicated parameters. The trial-and-error approach cannot meet the recent technological requirement of this industry. Therefore, the process analysis for the development of the high quality screw and nut products for special alloy steel becomes increasingly important. In this paper, 2-D and 3-D finite element (FE) simulation was performed to investigate the difference between the results. The effects of penetration depth and thread die length on the effective stress, effective strain and thread height in flat-die thread rolling process was discussed. Moreover, a strain-hardness curve was established by compression test, and the micro-hardness of rolled thread was measured to verify the results of finite element simulation for flat-die thread rolling process. The results of predicted and measured hardness were compared.",
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