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Cross wedge rolling is a forming process for reshaping circular cylindrical billets to plastic rotationally symmetrical workpieces with variable diameter in axial direction using two oppositely moving wedge-shaped tools. While in cross rolling the rolled material is passed through two or more rolls to reduce the overall thickness of the parts, in cross wedge rolling, the wedges of the tools lead to an unequal mass distribution along the main axis. It is mostly used for preforming, but also some shafts are formed entirely by cross wedge rolling. Depending on the tool geometry, three different process variants can be distinguished:
Cross wedge rolling with convex curved tools rotating in the same direction
Cross wedge rolling with a fixed concave tool and a rotating convex tool
Cross wedge rolling with two flat wedge tools linearly moving in opposite directions
The geometry and arrangement of the tools of the three...
References
Doege E, Behrens B-A (2010) Handbuch Umformtechnik: Grundlagen, Technologien, Maschinen [Metal forming handbook: fundamentals, technologies, machines], 2nd edn. Springer, Berlin/Heidelberg. (in German)
Johnson W, Mamalis AG (1977) A survey of some physical defects arising in metal working processes. In: Proceedings of the 17th international MTDR conference, Birmingham, 20–24 Sept 1976. Macmillan, London, pp 607–621
Kache H, Gruß D, Nickel R (2011) Pioneering a new forming concept. Forging Penton Media 20(4):20–23
Lange K (1988) Umformtechnik band 2: Massivumformung [Metal forming. Bd. 2: forging], Chapter 4. Springer, Berlin u.a. (in German)
Li Q, Lovell M (2008) Cross wedge rolling failure mechanisms and industrial application. Int J Adv Manuf Technol 37(3–4):265–278
Li Q, Lovell MR, Slaughter W, Tagavi K (2002) Investigation of the morphology of internal defects in cross wedge rolling. J Mater Process Technol 125–126:248–257
Pater Z (2010) Development of cross-wedge-rolling: theory and technology. In: Steel research international, Proceedings of the 13th international conference on metal forming, Toyohashi, 19–22 Sept 2010. Verlag Stahleisen, Düsseldorf, pp 346–349
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Behrens, BA. (2018). Cross Wedge Rolling. In: CIRP Encyclopedia of Production Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35950-7_16804-2
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DOI: https://doi.org/10.1007/978-3-642-35950-7_16804-2
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-35950-7
Online ISBN: 978-3-642-35950-7
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Chapter history
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Latest
Cross Wedge Rolling- Published:
- 01 March 2018
DOI: https://doi.org/10.1007/978-3-642-35950-7_16804-2
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Original
Cross Wedge Rolling- Published:
- 31 January 2015
DOI: https://doi.org/10.1007/978-3-642-35950-7_16804-1