Details
| Original language | English |
|---|---|
| Pages (from-to) | 339-348 |
| Number of pages | 10 |
| Journal | Production Engineering |
| Volume | 6 |
| Issue number | 4-5 |
| Publication status | Published - 24 Apr 2012 |
Abstract
Cross wedge rolling is a forming technology that offers a lot of advantages: No flash occurs, cycle times are low, lubricants are not necessary and the machines are easy to automate. Currently, cross wedge rolling is applied at hot temperatures only. An adaption of this technology to warm temperatures (about 500-950 °C) can increase the geometrical spectrum of warm forgings. The advantages of warm forged parts in comparison to hot forged parts are closer tolerances, reduced surface roughness, no scale and reduced decarburization. To apply cross wedge rolling at warm temperatures, the possibilities of defects e. g. internal voids and improper formed work pieces must be analysed. This paper describes the development of a warm cross wedge rolling process with one area reduction. The paper also includes results of finite element analysis (FEA), experimental trials with a downsized work piece and the adaption to the industrial work piece in original size. In the FEA simulations tools with serrations on the side have been used. The downsizing method is explained and the difference between FEA, downsized and originally sized work piece with the focus on forming forces, temperature distribution and defects are presented.
Keywords
- Cross wedge rolling, Downsizing, Finite-elements-analysis, Warm forming
ASJC Scopus subject areas
- Engineering(all)
- Mechanical Engineering
- Engineering(all)
- Industrial and Manufacturing Engineering
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In: Production Engineering, Vol. 6, No. 4-5, 24.04.2012, p. 339-348.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Development of a warm cross wedge rolling process using FEA and downsized experimental trials
AU - Kache, Hanns
AU - Stonis, Malte
AU - Behrens, Bernd Arno
N1 - Funding information: Acknowledgments The authors thank the European Commission for the funding of this project (project number: 221967) within the 7th Framework Programme (Research for the Benefits of SMEs; Call identifier: FP7-SME-2007-1).
PY - 2012/4/24
Y1 - 2012/4/24
N2 - Cross wedge rolling is a forming technology that offers a lot of advantages: No flash occurs, cycle times are low, lubricants are not necessary and the machines are easy to automate. Currently, cross wedge rolling is applied at hot temperatures only. An adaption of this technology to warm temperatures (about 500-950 °C) can increase the geometrical spectrum of warm forgings. The advantages of warm forged parts in comparison to hot forged parts are closer tolerances, reduced surface roughness, no scale and reduced decarburization. To apply cross wedge rolling at warm temperatures, the possibilities of defects e. g. internal voids and improper formed work pieces must be analysed. This paper describes the development of a warm cross wedge rolling process with one area reduction. The paper also includes results of finite element analysis (FEA), experimental trials with a downsized work piece and the adaption to the industrial work piece in original size. In the FEA simulations tools with serrations on the side have been used. The downsizing method is explained and the difference between FEA, downsized and originally sized work piece with the focus on forming forces, temperature distribution and defects are presented.
AB - Cross wedge rolling is a forming technology that offers a lot of advantages: No flash occurs, cycle times are low, lubricants are not necessary and the machines are easy to automate. Currently, cross wedge rolling is applied at hot temperatures only. An adaption of this technology to warm temperatures (about 500-950 °C) can increase the geometrical spectrum of warm forgings. The advantages of warm forged parts in comparison to hot forged parts are closer tolerances, reduced surface roughness, no scale and reduced decarburization. To apply cross wedge rolling at warm temperatures, the possibilities of defects e. g. internal voids and improper formed work pieces must be analysed. This paper describes the development of a warm cross wedge rolling process with one area reduction. The paper also includes results of finite element analysis (FEA), experimental trials with a downsized work piece and the adaption to the industrial work piece in original size. In the FEA simulations tools with serrations on the side have been used. The downsizing method is explained and the difference between FEA, downsized and originally sized work piece with the focus on forming forces, temperature distribution and defects are presented.
KW - Cross wedge rolling
KW - Downsizing
KW - Finite-elements-analysis
KW - Warm forming
UR - http://www.scopus.com/inward/record.url?scp=84865537393&partnerID=8YFLogxK
U2 - 10.1007/s11740-012-0379-5
DO - 10.1007/s11740-012-0379-5
M3 - Article
AN - SCOPUS:84865537393
VL - 6
SP - 339
EP - 348
JO - Production Engineering
JF - Production Engineering
SN - 0944-6524
IS - 4-5
ER -