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Paper Titles
Axial Crushing of Grooved Thin-Walled Tubes Using Experiments and Finite Element Simulation
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A 3-D Forming Prediction Method of Increase of Sheet Thickness during Drawing Process
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Improvement of Local Decrease in Material Thickness of Fuel Supply Pipe

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Abstract:

Growing demand for lightweight products has been increased by the rapid development of automobiles since the global environment conservation meeting at Kyoto. Lighter products have been necessary when considering in taking action to reduce fuel consumption. One of the key is the utilization of high strength and light materials, such as stainless, high-tensile strength steels and magnesium alloys, which are difficult to be formed due to their high strength compared to normal steel pipes. This paper is concerned with the development of pressing technology that copes with forming relatively high strength stainless pipe with screw threads on the surface of pipes. Our new press-forming process in order to obtain accurate screw threads on the stainless pipe was tested. A 3-D digitizer was used for the measurement of the accuracy of manufactured pipes by the proposed pressing method. It is found that the proposed our press-forming was effective to improve decrease of pipe thickness compared to conventional roll forming technology. The maximum decrease in material thickness was 20% using our press-forming process for screw threads in the formed pipe.

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Periodical:

Advanced Materials Research (Volumes 264-265)

Pages:

200-205

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.264-265.200

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Online since:

June 2011

Authors:

Nobuyuki Kamei, Hisaki Watari, T. Hatano, Youichi Kawamura

Keywords:

Finite Element Model (FEM), Press-Forming Process, Stainless, Thread-Forming

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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