Paper Information

Journal:   JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)   SPRING-SUMMER 2018 , Volume 29 , Number 2 (18) #a00504; Page(s) 119 To 128.
 
Paper: 

A New Method for Representation of Pipe Bending Process Using Wire Mandrel

 
 
Author(s):  RAJABI M.R.*, REZAEIZADEH M., AHMADI BROOGHANI S.Y.
 
* 
 
Abstract: 
Bent pipes have been widely used in industrial usage. In this work different materials have been used as mandrel and it is realized that a bunch of flexible wire is more preferable to optimize bending parameters. This way doesn’ t need laborious adjustments and because common flexible wires have plastic deformation even during excessive bending angles, they can be used so many times and also they are easy to remove after bending process. Cross section distortion, cracking at the extrados, wrinkling at the intrados, spring back phenomenon and wall thickness change are issues associated with pipe bending. In this work the effect of flexible wires on bending parameters has been analyzed and the results are confirmed with finite element simulation.
 
Keyword(s): pipe bending,wire mandrel,cross section distortion,spring back,wall thickness change
 
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