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Paper Information

Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ)   FALL 2008 , Volume 36 , Number 2 (54) MECHANICAL ENGINEERING; Page(s) 11 To 18.
 
Paper: 

NUMERICAL AND EXPERIMENTAL INVESTIGATION ON FORMING METALLIC BELLOWS IN CLOSED AND OPEN-DIE HYDROFORMING

 
 
Author(s):  ELYASI M., BAKHSHI M., GORJI A.H.
 
* 
 
Abstract: 
In this paper, the possibility of forming the metallic bellows in closed-die, and also in open-die, tube hydroforming process has been studied by numerical simulation and experiment. The results obtained illustrated that forming the tube in the closed-die process is only possible for a single-convolution bellows. when the tube is fed from one end; if the feeding is performed from both the ends, then the process is also possible for a double convolution bellows. If the number of convolutions is more than two, then it is impossible to form the bellows in the closed-die process. But, in forming the bellows in the open-die tube hydroforming, there is no limitation on the number of convolutions.
 
Keyword(s): METAL FORMING, TUBE HYDROFORMING, BELLOWS, FEM SIMULATION
 
References: 
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