scholarly journals Forming force prediction and process investigation for incremental sheet forming

2015 ◽  
Author(s):  
Yanle Li
Keyword(s):  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Forming Force ◽  
Force Prediction

scholarly journals Erratum to: Efficient force prediction for incremental sheet forming and experimental validation

2014 ◽  
Vol 73 (1-4) ◽  
pp. 589-589 ◽  
Author(s):  
Yanle Li ◽  
Zhaobing Liu ◽  
Haibo Lu ◽  
W. J. T. Daniel ◽  
Sheng Liu ◽  
...  
Keyword(s):  
Experimental Validation ◽  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Force Prediction

Experimental Study and Efficient Prediction on Forming Forces in Incremental Sheet Forming

2014 ◽  
Vol 939 ◽  
pp. 313-321 ◽  
Author(s):  
Yan Le Li ◽  
Zhao Bing Liu ◽  
Hai Bo Lu ◽  
W.J.T. Bill Daniel ◽  
Paul A. Meehan
Keyword(s):  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Contact Forces ◽  
Forming Process ◽  
Force Prediction ◽  
Proposed Model ◽  
Product Design Process ◽  
Tangential Forces ◽  
On Line ◽  
Efficient Prediction

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.

Efficient force prediction for incremental sheet forming and experimental validation

2014 ◽  
Vol 73 (1-4) ◽  
pp. 571-587 ◽  
Author(s):  
Yanle Li ◽  
Zhaobing Liu ◽  
Haibo Lu ◽  
W. J. T. Daniel ◽  
Sheng Liu ◽  
...  
Keyword(s):  
Experimental Validation ◽  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Force Prediction

Formability and forming force in incremental sheet forming of AA7075-T6 at different temperatures

2019 ◽  
Vol 33 (8) ◽  
pp. 3795-3802 ◽  
Author(s):  
Xiao Xiao ◽  
Chan-Il Kim ◽  
Xiao-Dong Lv ◽  
Tae-Seog Hwang ◽  
Young-Suk Kim
Keyword(s):  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Forming Force ◽  
Different Temperatures

A Brief Review of Forming Forces in Incremental Sheet Forming

2016 ◽  
Vol 861 ◽  
pp. 195-200
Author(s):  
Yan Le Li ◽  
Jie Sun ◽  
Jian Feng Li
Keyword(s):  
Potential Role ◽  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Current Status ◽  
Forming Force ◽  
Forming Process ◽  
Contact Conditions ◽  
Process Failure ◽  
On Line ◽  
Deformation Mechanics

Investigation of forming forces in incremental sheet forming (ISF) is of great importance since it provides understanding of the deformation mechanics, monitoring of the forming process, failure prediction, and future means of on-line control and optimization. This paper provides a review of studies on the contact conditions and the effects of the process parameters on forming forces in ISF, followed by the current status on forming force prediction and its potential role in the improvement of ISF technology.

Modeling Force Fluctuations in Incremental Sheet Forming

2020 ◽  
Author(s):  
Michael Prize ◽  
Douglas Bristow ◽  
Robert Landers
Keyword(s):  
Process Parameters ◽  
Tool Path ◽  
Single Point ◽  
Reaction Force ◽  
Three Dimensional ◽  
Geometric Error ◽  
Sheet Forming ◽  
Incremental Sheet Forming ◽  
Forming Force ◽  
Manufacturing Method

Abstract Incremental Sheet Forming (ISF) is a versatile manufacturing method in which a three-dimensional part is fabricated by progressively deforming a metal sheet. This is typically done via a robot with a single point tool following a defined trajectory. During this process a reaction force between the forming tool and sheet is generated. This force, denoted the forming force and defined as the force acting perpendicular to the sheet, has been modeled in several studies. Given a part with homogenous material, a fixed part geometry, and constant process parameters, these models predict the forming force will be constant. However, many studies have shown that this force fluctuates during the process. This paper augments the model by accounting for changes in process parameters due to robot geometric errors to describe these fluctuations. The model is experimentally validated, and the fluctuations of the forming force are reduced by 51% by modifying the tool path based on the identified robot geometric error.

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