Hydroforming of a stainless steel T-joint with ratio of tube diameter to thickness D/t = 108 and ratio of branch diameter to tube diameter d/D = 0.6 was studied. The effects of counter punch loading path on branch height and thickness were discussed. Because the branch diameter is smaller than the tube diameter, it is difficult to obtain a higher branch height and avoid thinning at the same time. An approach for increasing branch height of a hydroforming T-joint with smaller branch diameter was proposed. Finite element method (FEM) simulations were carried out for analyzing the deformation during hydroforming of the T-joint. Thinning ratio distribution, stress and strain states from different loading paths were presented. The experimental results show that the new approach with counter punch moving backwards during calibration is effective to increase branch height and to improve thickness distribution.
ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference
June 10–14, 2013
Madison, Wisconsin, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5545-4
PROCEEDINGS PAPER
An Approach for Increasing Branch Height of a Hydroforming T-Joint With Smaller Branch Diameter
Junyang Peng
,
Junyang Peng
Harbin Institute of Technology, Harbin, Heilongjiang, China
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Gang Liu
,
Gang Liu
Harbin Institute of Technology, Harbin, Heilongjiang, China
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Bugang Teng
,
Bugang Teng
Harbin Institute of Technology, Harbin, Heilongjiang, China
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Xiaosong Wang
,
Xiaosong Wang
Harbin Institute of Technology, Harbin, Heilongjiang, China
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Sule Feng
Sule Feng
Shanghai Academy of Spaceflight Technology, Shanghai, China
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Author Information
Junyang Peng
Harbin Institute of Technology, Harbin, Heilongjiang, China
Gang Liu
Harbin Institute of Technology, Harbin, Heilongjiang, China
Bugang Teng
Harbin Institute of Technology, Harbin, Heilongjiang, China
Xiaosong Wang
Harbin Institute of Technology, Harbin, Heilongjiang, China
Sule Feng
Shanghai Academy of Spaceflight Technology, Shanghai, China
Paper No:
MSEC2013-1169, V001T01A013; 7 pages
Published Online:
November 27, 2013
Citation
Peng, Junyang, Liu, Gang, Teng, Bugang, Wang, Xiaosong, and Feng, Sule. "An Approach for Increasing Branch Height of a Hydroforming T-Joint With Smaller Branch Diameter." Proceedings of the ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. Volume 1: Processing. Madison, Wisconsin, USA. June 10–14, 2013. V001T01A013. ASME. https://doi.org/10.1115/MSEC2013-1169
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