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Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   FEBRUARY 2017 , Volume 16 , Number 11 ; Page(s) 277 To 283.
 
Paper: 

STUDY OF PROCESS WINDOW IN SQUARE CUP HYDROMECHANICAL DEEP DRAWING OF ALUMINIUM/STEEL DOUBLE LAYER SHEET

 
 
Author(s):  SEYED KASHI SEYED MOHAMMAD HOSSEIN*, RAHMANI FARZAD, AMIRABADI HOSSEIN, HOSEINPOUR GOLLO MOHAMMAD
 
* DEPARTMENT OF MECHANICAL ENGINEERING, UNIVERSITY OF BIRJAND, BIRJAND, IRAN
 
Abstract: 

In hydromechanical deep drawing process, the traditional matrix is replaced by pressurized fluid, and the final shape is determined based on the shape of a rigid punch. It is necessary to change the fluid pressure within the allowed working zone during the process to prevent the workpiece from rupturing and wrinkling. Working zone curve represents the range of maximum available drawing ratios without rupture under the highest chamber pressure. In this paper, hydromechanical deep drawing of square cups made of aluminum-steel double layer sheets are studied by experiments and finite element simulations. In order to detect the rupture onset in simulations, experimental forming limit diagrams were obtained using aluminum/steel double layer sheet. Experimental data were used to validate the finite element model. The effects of process parameters such as thickness of the various layers, prebulge pressure, chamber pressure and the friction coefficient were investigated on the working zone and the process window. The numerical results show that an optimum amount for the drawing ratio exists for each prebulge pressure. Also, with increasing the chamber pressure, shrinkage is reduced on the flange area. By increasing the friction between the sheet and matrix or the sheet and blank-holder, working zone becomes smaller; while with increasing the friction between the sheet and the punch it becomes larger. Experiments were performed for different drawing ratios to evaluate the numerical results and good agreement was observed.

 
Keyword(s): DOUBLE LAYER SHEET, HYDROMECHANICAL DEEP DRAWING, PROCESS WINDOW DIAGRAM, FORMING LIMIT DIAGRAM, SQUARE CUP
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

SEYED KASHI, S., & RAHMANI, F., & AMIRABADI, H., & HOSEINPOUR GOLLO, M. (2017). STUDY OF PROCESS WINDOW IN SQUARE CUP HYDROMECHANICAL DEEP DRAWING OF ALUMINIUM/STEEL DOUBLE LAYER SHEET. MODARES MECHANICAL ENGINEERING, 16(11 ), 277-283. https://www.sid.ir/en/journal/ViewPaper.aspx?id=571746



Vancouver: Copy

SEYED KASHI SEYED MOHAMMAD HOSSEIN, RAHMANI FARZAD, AMIRABADI HOSSEIN, HOSEINPOUR GOLLO MOHAMMAD. STUDY OF PROCESS WINDOW IN SQUARE CUP HYDROMECHANICAL DEEP DRAWING OF ALUMINIUM/STEEL DOUBLE LAYER SHEET. MODARES MECHANICAL ENGINEERING. 2017 [cited 2021July25];16(11 ):277-283. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571746



IEEE: Copy

SEYED KASHI, S., RAHMANI, F., AMIRABADI, H., HOSEINPOUR GOLLO, M., 2017. STUDY OF PROCESS WINDOW IN SQUARE CUP HYDROMECHANICAL DEEP DRAWING OF ALUMINIUM/STEEL DOUBLE LAYER SHEET. MODARES MECHANICAL ENGINEERING, [online] 16(11 ), pp.277-283. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571746.



 
 
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