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Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)   JANUNARY 2007 , Volume 40 , Number 6 (100); Page(s) 763 To 769.
 
Paper: 

A Design Method For Pre-Form Forging Dies Using Reverse Deformation And Finite Element Method

 
 
Author(s):  Abrinia K.*, Naei H., Taghipour Y.
 
* SCHOOL OF MECHANICAL ENGINEERING, UNIVERSITY COLLEGE OF ENGINEERING, UNIVERSITY OF TEHRAN, I.R. IRAN
 
Abstract: 
In this paper a method based on reverse deformation using finite element analysis has been used to design pre-form dies for forging of H-shaped sections. When the final shape of the forging is complex and near net shape, it should be first formed in one or more pre-form dies before going through to the final die. The method presented here tries to accomplish this goal. In the method of reverse deformation the final shape of the product is the starting point for predicting the plastic deformation path. First the simulation of the forward deformation was carried out and then using the parameters such as the time of the contact of the die and the material, dimensions and coordinates of the work piece in contact with the die the path of reversed deformation was predicted. Using the path of reversed deformation the pre-form dies were designed. The work piece material for modeling and simulation of the forging process was pure aluminum taking into account strain hardening effect in terms of a empirical equation which defined the stress strain behavior. In this method parameters such as contact time, length and the distance from the center of the die were utilized to obtain the reversed plastic path. Because of the importance and impact of the geometry of the billet on the quality of the forged product the optimum dimensions of the billet were also calculated. The criteria for choosing the correct pre-form die were the complete filling of the die cavity, a faultless final product, no folding of the material and the optimum plastic strain gradient. Comparison of results with other previous methods showed that the design method presented here delivered better products.
 
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APA: Copy

ABRINIA, K., & NAEI, H., & TAGHIPOUR, Y. (2007). A DESIGN METHOD FOR PRE-FORM FORGING DIES USING REVERSE DEFORMATION AND FINITE ELEMENT METHOD. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 40(6 (100)), 763-769. https://www.sid.ir/en/journal/ViewPaper.aspx?id=72528



Vancouver: Copy

ABRINIA K., NAEI H., TAGHIPOUR Y.. A DESIGN METHOD FOR PRE-FORM FORGING DIES USING REVERSE DEFORMATION AND FINITE ELEMENT METHOD. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN). 2007 [cited 2022May21];40(6 (100)):763-769. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=72528



IEEE: Copy

ABRINIA, K., NAEI, H., TAGHIPOUR, Y., 2007. A DESIGN METHOD FOR PRE-FORM FORGING DIES USING REVERSE DEFORMATION AND FINITE ELEMENT METHOD. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), [online] 40(6 (100)), pp.763-769. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=72528.



 
 
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