NDLI: Development of automotive engine cradle by hydroforming process

Content Provider	Springer Nature Link
Author	Kim, K. J. Kim, J. S. Choi, B. I. Kim, K. H. Choi, H. H. Kim, C. W. Kang, K. W. Song, J. H. Sung, C. W.
Copyright Year	2007
Abstract	The hydroforming technology may bring many advantages to automotive applications in terms of better structural integrity of the parts, lower cost from fewer part count, material saving, weight reduction, lower springback, improved strength and durability and design flexibility. In this study, the whole process of front sub-frame parts development by tube hydroforming using steel material having tensile strength of 440 MPa grade is presented. At the part design stage, it requires feasibility study and process design aided by CAE (Computer Aided Design) to confirm hydroformability in details. Effects of parameters such as internal pressure, axial feeding and geometry shape in automotive engine cradle by the hydroforming process were carefully investigated. Overall possibility of hydroformable engine cradle parts could be examined by cross sectional analyses. Moreover, it is essential to ensure the formability of tube material on every forming step such as pre-bending, preforming and hydroforming. At the die design stage, all the components of prototyping tool are designed and interference with the press is examined from the point of deformed geometry and local thinning.
Starting Page	1523
Ending Page	1527
Page Count	5
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	21
Issue Number	10
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2007-01-01
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydroforming Engine cradle Axial feeding Bending Thinning Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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Prediction of failure in tube hydroforming process using a damage model

Feasibility study on optimized process conditions in warm tube hydroforming

Analysis of forming limit in tube hydroforming

FMEA for the reliability of hydroformed flanged part for automotive application

Process analysis of two-layered tube hydroforming with analytical and experimental verification

The effect of tube dimensions on optimized pressure and force loading paths in tube hydroforming process

Springback prediction of the vee bending process for high-strength steel sheets

Comparison of shear-thinning blood flow characteristics between longitudinal and transverse vibration

Probabilistic modeling of stress-based FLD in tube hydroforming process

Development of automotive engine cradle by hydroforming process

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Prediction of failure in tube hydroforming process using a damage model

Feasibility study on optimized process conditions in warm tube hydroforming

Analysis of forming limit in tube hydroforming

FMEA for the reliability of hydroformed flanged part for automotive application

Process analysis of two-layered tube hydroforming with analytical and experimental verification

The effect of tube dimensions on optimized pressure and force loading paths in tube hydroforming process

Springback prediction of the vee bending process for high-strength steel sheets

Comparison of shear-thinning blood flow characteristics between longitudinal and transverse vibration

Probabilistic modeling of stress-based FLD in tube hydroforming process

Development of automotive engine cradle by hydroforming process