Effectiveness of ultrasonic vibration on press forming

Yutaka Ashida, Hideki Aoyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In press forming, it is most important to prevent wrinkling and cracking. A small clearance between the upper and lower dies is effective for preventing wrinkle generation. However, the small clearance increases sliding resistance between sheet material and dies and causes cracking of sheet material. On the other hand, large deformation of sheet material requires multi-step press working which involves incremental small deformations in order to avoid wrinkling and cracking. But this method requires a number of dies so that it increases cost and development time. In press forming, lubricant to reduce sliding resistance of sheet material is used for preventing wrinkling and cracks. However, the use of lubricant such as chlorofluorocarbon and trichloroethane has been restricted due to environmental concerns. The development of new press working techniques that do not use lubricant is thus desired. Since wrinkling and cracking are mainly caused by friction between sheet material and dies, forming techniques which can decrease the friction without lubricant are needed.

Original languageEnglish
Title of host publicationAdvances in Abrasive Technology XVI
Pages350-355
Number of pages6
DOIs
Publication statusPublished - 2013 Oct 25
Externally publishedYes
Event16th International Symposium on Advances in Abrasive Technology, ISAAT 2013 and 17th Chinese Conference of Abrasive Technology, CCAT 2013 - Hangzhou, China
Duration: 2013 Sep 232013 Sep 26

Publication series

NameAdvanced Materials Research
Volume797
ISSN (Print)1022-6680

Other

Other16th International Symposium on Advances in Abrasive Technology, ISAAT 2013 and 17th Chinese Conference of Abrasive Technology, CCAT 2013
CountryChina
CityHangzhou
Period13/9/2313/9/26

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Keywords

  • Drawing
  • Friction
  • Mode analysis
  • Press forming
  • Press simulation
  • Ultrasonic vibration

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ashida, Y., & Aoyama, H. (2013). Effectiveness of ultrasonic vibration on press forming. In Advances in Abrasive Technology XVI (pp. 350-355). (Advanced Materials Research; Vol. 797). https://doi.org/10.4028/www.scientific.net/AMR.797.350