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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   JULY 2003 , Volume 16 , Number 2 (TRANSACTIONS B: APPLICATIONS); Page(s) 171 To 182.
 
Paper: 

EVALUATION OF FORMING SEVERITY AND THICKNESS VARIATION IN DEEP DRAWING PROCESS

 
 
Author(s):  ASSEMPOUR A., FATHI A.
 
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Abstract: 
This paper presents a new methodology for complete solution of general shape deep ‎drawn parts. Evaluation of forming severity, estimation of the punch load and ‎prediction of the thickness variation are the major results obtained in this work. The ‎punch work is the summation of the homogenous work of flange deformation and ‎bending and bending and frictional words. To evaluate the strain energy of the flange, ‎the so-called matrix method of slip line is used. To overcome the weakness of slip line ‎field in prediction of the thickness variation, the so-called genetic algorithm has been ‎adopted. In this procedure, the actual velocity field has been computed and used in ‎energy formulation. The predicted thickness strain, punch load and forming severity ‎have been compared with some published experimental results‏.‏
 
Keyword(s): DEEP DRAWING, SLIP LINE FIELD, MATRIX METHOD, FORMING SEVERITY, BENDING MODEL, GENETIC ALGORITHM
 
References: 
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