NDLI: Analysis of mechanism of backflow defect of the aluminum wheel flow forming

Content Provider	Springer Nature Link
Author	Cha, Wan gi Hwang, So Young Kim, Naksoo Lee, Cheol soo
Copyright Year	2014
Abstract	Aluminum wheel flow forming is a combined technique of spinning and flow forming, which produces parts with complex axisymmetric geometries and reduces wall thickness. During the process, among many kinds of defects generated, a newly defined defect phenomenon so called backflow has appeared. It is a tendency of metal bulging in the radial direction on the wall as the roller passes through the deformation zone. In this paper, the mechanism of the backflow is studied as well as the process conditions to prevent backflow by establishing a numerical analysis procedure using SHAPE-RR FEM program. Result of FE analysis of the aluminum wheel flow forming is verified with flow line of experimental results. It was shown that bulging due to the backflow had been successfully simulated. It is concluded that the load of headstock is a major influence on the backflow.
Starting Page	1075
Ending Page	1080
Page Count	6
File Format	PDF
ISSN	22347593
Journal	International Journal of Precision Engineering and Manufacturing
Volume Number	15
Issue Number	6
e-ISSN	20054602
Language	English
Publisher	Korean Society for Precision Engineering
Publisher Date	2014-06-05
Publisher Place	Springer
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aluminum wheel flow forming Backflow defect Headstock load The elastic-plastic finite element method Industrial and Production Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Mechanical Engineering Electrical and Electronic Engineering

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