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Computer Aided Design of Reshaping Process of Circular Pipes into Square Pipes

By Parviz Alinezhad, Ali Sanati and Koorosh Naser Momtahen

Abstract

Abstract—Square pipes (pipes with square cross sections) are being used for various industrial objectives, such as machine structure components and housing/building elements. The utilization of them is extending rapidly and widely. Hence, the out-put of those pipes is increasing and new application fields are continually developing. Due to various demands in recent time, the products have to satisfy difficult specifications with high accuracy in dimensions. The reshaping process design of pipes with square cross sections; however, is performed by trial and error and based on expert’s experience. In this paper, a computer-aided simulation is developed based on the 2-D elastic-plastic method with consideration of the shear deformation to analyze the reshaping process. Effect of various parameters such as diameter of the circular pipe and mechanical properties of metal on product dimension and quality can be evaluated by using this simulation. Moreover, design of reshaping process include determination of shrinkage of cross section, necessary number of stands, radius of rolls and height of pipe at each stand, are investigated. Further, it is shown that there are good agreements between the results of the design method and the experimental results

Topics: Reshaping Process, Numerical Simulation
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.5777
Provided by: CiteSeerX
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