Experimental study and efficient prediction on forming forces in incremental sheet forming

Li, Yanle, Liu, Zhaobing, Lu, Haibo, Daniel, W. J. T. (Bill) and Paul, Paul A. (2014). Experimental study and efficient prediction on forming forces in incremental sheet forming. In: Advances in Materials and Processing Technologies XVI. 16th International Conference on Advances in Materialsand Processing Technologies (AMPT 2013), Taipei, Taiwan, (313-321). 22-26 September 2013. doi:10.4028/www.scientific.net/AMR.939.313

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Author Li, Yanle
Liu, Zhaobing
Lu, Haibo
Daniel, W. J. T. (Bill)
Paul, Paul A.
Title of paper Experimental study and efficient prediction on forming forces in incremental sheet forming
Conference name 16th International Conference on Advances in Materialsand Processing Technologies (AMPT 2013)
Conference location Taipei, Taiwan
Conference dates 22-26 September 2013
Proceedings title Advances in Materials and Processing Technologies XVI   Check publisher's open access policy
Journal name Advanced Materials Research   Check publisher's open access policy
Place of Publication Pfaffikon, Switzerland
Publisher Scientific.Net
Publication Year 2014
Year available 2014
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/AMR.939.313
Open Access Status
ISBN 9783038350972
ISSN 1022-6680
1662-8985
Volume 939
Start page 313
End page 321
Total pages 9
Collection year 2015
Language eng
Abstract/Summary Incremental sheet forming (ISF) is a promising forming process in which complex 3D shapes are formed from a sheet of metal using a simple moving tool. The efficient prediction of contact forces in ISF is desirable to monitor the forming process, prevent failure, and implement on-line control and process optimization. However, traditional Finite Element (FE) simulation used for force prediction is significantly time-consuming for complex products. The purpose of this study is to investigate the ISF force prediction and characteristics under different forming conditions and build a potential efficient model. In the present work, forces during the cone forming process with different wall angles and step down sizes were recorded and compared. Different force trends were identified and discussed with reference to bending and strain hardening mechanics. Influences of different parameters on designated formability were also qualified which should benefit the product design process. An efficient predictive model based on upper-bound approach was applied for force prediction in this case. Predicted tangential forces were then compared with the experimental results showing relatively good agreement. The limits of the proposed model were also identified and the potential of future improvements were suggested.
Keyword Incremental sheet forming
Forming force
Formability
Prediction
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Tue, 04 Mar 2014, 14:52:09 EST by Alex Fitzgerald on behalf of School of Mechanical and Mining Engineering